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Antevon vs ForecastRx / Inventory Optimizer: forecasting software or a two-week audit

Checked against ForecastRx / Inventory Optimizer’s public pages. Prices, features and company facts checked 21 Oct 2026. Content updated 21 Oct 2026.

Both help you forecast sales and decide what stock to buy14. Choose ForecastRx / Inventory Optimizer when you want software your team runs17,21. Choose Antevon for a fixed-fee, two-week audit that builds the forecast for you.

Who each one fits

ForecastRx / Inventory Optimizer targets Amazon sellers managing 100 or more products, alongside brands selling through several channels14.

Antevon works with independent beauty and skincare brands in the UK and EU. It serves brands selling through retailers or preparing to do so.

When ForecastRx / Inventory Optimizer is the better choice

  • If you need to send orders to suppliers, ForecastRx / Inventory Optimizer lets you adjust suggestions and submit them18.
  • If suppliers set minimum orders, it accounts for these by product and supplier and rounds orders to full cases12.
  • If you need to track stock costs, it reports margins and the cost of excess stock16.

When Antevon is the better choice

  • If your retailer forecast has no full-time owner, Antevon's audit fits founders and commercial teams.
  • If you're deciding on a retailer promotion, the audit prices running it against not running it.

How they differ

With ForecastRx / Inventory Optimizer, your team authorises store access and supplies supplier details, delivery times and minimum orders16. It also syncs Amazon Seller Central data and creates inbound shipment plans23. Growth lists a direct Shopify connection for orders and stock20. Starter includes email support, while Growth includes priority chat14.

Antevon asks for a sales export, retailer reports and an hour for questions. It cleans imperfect data as part of the audit.

Yurii Blazhevych, who runs Antevon's forecasts, takes your call. The audit hands over two Excel files for you to keep. The forecast gives a number for each product, retailer and month.

Side by side

Rows are the questions UK beauty brands ask us. Each line is a fact from the company’s own public pages. Check this comparison: sources and dates below.

Question
Antevon
ForecastRx / Inventory Optimizer
What it is

Antevon describes itself as a managed demand desk for indie beauty and dermocosmetics brands.4

The audit is a fixed-fee two-week forecasting project.3

Inventory Optimizer is demand forecasting and replenishment software for Amazon sellers and ecommerce agencies.14

Inventory Optimizer is cloud-based forecasting and purchasing software.21

Who it is for

The public audience is roughly £0.5M to £25M in revenue.4

Antevon targets indie beauty and dermocosmetics brands.4

The vendor targets Amazon sellers with 100 or more SKUs and multichannel brands, without a verified revenue band.14

The vendor describes ecommerce use and examples in supplements, home goods and pet products.12

Who builds the forecast

The brand brings its sales export and retailer reports and makes an hour available for questions.5

Antevon cleans the imperfect data as part of the work.5

Connected history syncs automatically, while the brand authorises access and supplies purchasing inputs.23

Vendor help instructs users to check lead times and adjust inventory and sales-rate settings.19

What the forecast covers

The forecast is by product, retailer and month.5

The vendor advertises forecasts per SKU or variant and combined demand across channels.16

The vendor advertises a 12-month forward forecast with weekly adaptation.12

Retailers and sell-through

The stated forecast target is what each retailer will sell, with buy decisions following from it.7

QuickBooks wholesale invoices and sales receipts can feed demand alongside ecommerce sales.20

Promotions and launches

The audit models each promotion separately and gives each forecast number a likely range.3

The audit prices a retailer promotion against not running it, in pounds.6

Inventory Optimizer advertises promotion and event-aware forecasting.16

New-product forecasts are described as combining analogous products, user projections and seasonality.12

Orders to suppliers

The audit supplies buy, move, hold and cut recommendations with their money impact.3

Purchase orders are inputs to the audit.3

The software calculates reorder points, safety stock and supplier recommendations, with warehouse-to-Amazon replenishment workflows.17

The vendor describes supplier-grouped PO suggestions that users can review, change and submit.18

Cash

Production sizing, cash planning and promotion calls are priced from the same forecast.5

The vendor advertises margin, overstock-cost and working-capital visibility.16

Batches and shelf life

Not part of the published offer.

Not confirmed. Lot, expiry-date and shelf-life-aware replenishment were not established.

What it connects to

Not part of the published offer.

The vendor advertises a direct Shopify connection for orders, stock and variant-level forecasting, with Growth explicitly listing Shopify.20

The vendor advertises direct Seller Central data sync and Amazon inbound shipment creation.23

What your team still does

The brand signs its retailer promotions after the desk’s profit read.5

The PO workflow asks the operator to review, adjust and approve before submission.18

Vendor help tells the operator to investigate parameters and shipment status when restock advice looks wrong.19

Getting started

The audit takes two weeks from when the data lands, not from payment.3

The audit draft arrives on day 13 and the walkthrough call is on day 14.3

The vendor says most teams receive a 12-month forecast within 24 hours of connecting Seller Central.14

Setup requires channel access and brand-specific supplier and inventory parameters.16

Support and UK presence

Yurii Blazhevych takes the call and runs the forecast.5

The audit includes a working session through the first decisions on day 14.5

Website plans advertise email support on Starter, priority chat on Growth and a dedicated CSM plus SLA on Agency.14

How it is charged

Antevon publishes from-prices for both the audit and the monthly desk; the final fee is scoped on a call.8

Neither the audit nor the monthly desk is billed by the hour.10

Public pricing is mixed: a fixed website Starter price, a Growth starting price, custom Agency pricing and separate Shopify prices.14

The Shopify listing publishes specific tier amounts for its own user and SKU limits.22

Anything else

Audit exports and reports are used only to build the client’s files, not shared outside Antevon and deleted on request.11

A beta feature is advertised to pause and restart Amazon ad delivery based on per-ASIN stock position.26

The vendor advertises inventory-aware price recommendations with editable prices, CSV overrides and Amazon sync.15

Every fact we hold for this page (138), with what we could not confirm
Question
Antevon
ForecastRx / Inventory Optimizer
What it is

Antevon describes itself as a managed demand desk for indie beauty and dermocosmetics brands.4

The audit is a fixed-fee two-week forecasting project.3

The optional monthly desk refreshes the forecast and maintains the decision ledger.5

Antevon publicly offers a bookable two-week demand audit.3

Antevon Ltd operates the public offer and website.2

Not in the published offer. No additional trading aliases were established from the public pages read.

The public trading name is Antevon.1

Inventory Optimizer is demand forecasting and replenishment software for Amazon sellers and ecommerce agencies.14

Inventory Optimizer is cloud-based forecasting and purchasing software.21

Inventory Optimizer currently advertises paid plans and a free trial.14

The posted terms identify Inventory Optimizer Inc., incorporated in Florida, as the contracting company.13

ForecastRx remains an associated brand and Shopify developer name for Inventory Optimizer.12

The current product is named Inventory Optimizer.12

Who it is for

The public audience is roughly £0.5M to £25M in revenue.4

Antevon targets indie beauty and dermocosmetics brands.4

The audit is for beauty brands selling through retailers or about to do so.3

The stated service audience is in the UK and EU.4

The audit is positioned for a founder or commercial team without a full-time owner of the forecast.5

The vendor targets Amazon sellers with 100 or more SKUs and multichannel brands, without a verified revenue band.14

The vendor describes ecommerce use and examples in supplements, home goods and pet products.12

The vendor markets Amazon and multichannel planning, including Shopify and wholesale orders.14

Inventory Optimizer describes itself as US-based; full UK forecasting, logistics and contracting eligibility were not verified.12

The repricing page explicitly includes the UK among 14 international marketplaces with visibility.15

The vendor says statistical expertise is not needed, but the operator must supply purchasing parameters.16

Who builds the forecast

The brand brings its sales export and retailer reports and makes an hour available for questions.5

Antevon cleans the imperfect data as part of the work.5

Not in the published offer. Responsibility for supplier lead-time, MOQ, safety-stock and connected-system parameter maintenance is not specified publicly.

On the optional desk, Antevon refreshes each forecast number monthly and maintains the ledger.5

Not in the published offer. Native system installation, production integration builds and full-stack migration scope are not established for the general audit.

The client can keep using the delivered files without adopting software or maintaining a paid login.5

Cleaning imperfect data is included in the audit rather than charged as a surcharge.5

The audit leaves the client with two Excel files to keep.5

Connected history syncs automatically, while the brand authorises access and supplies purchasing inputs.23

Not confirmed. Responsibility for historical-data cleanup, SKU mapping and duplicate-channel reconciliation was not established.

Vendor help instructs users to check lead times and adjust inventory and sales-rate settings.19

The vendor describes self-service setup with no implementation fee or required onboarding call.16

What the forecast covers

The forecast is by product, retailer and month.5

Not in the published offer. A standard service forecast horizon is not established from the public offer.

The vendor advertises forecasts per SKU or variant and combined demand across channels.16

The vendor advertises a 12-month forward forecast with weekly adaptation.12

Retailers and sell-through

Not in the published offer. Retailer-by-retailer sell-in versus sell-through input coverage and data-feed availability are not specified.

The stated forecast target is what each retailer will sell, with buy decisions following from it.7

Not in the published offer. retailer EDI support is not evidenced as a documented integration in the public pages read.

QuickBooks wholesale invoices and sales receipts can feed demand alongside ecommerce sales.20

Not confirmed. Native retailer EDI and named UK retailer sell-through feeds were not established.

Promotions and launches

The audit models each promotion separately and gives each forecast number a likely range.3

The audit prices a retailer promotion against not running it, in pounds.6

Not in the published offer. The standard method and data requirements for a product with no sales history are not specified in the public offer.

Launch events are marked when the audit cleans sales history.3

Inventory Optimizer advertises promotion and event-aware forecasting.16

New-product forecasts are described as combining analogous products, user projections and seasonality.12

Orders to suppliers

The audit supplies buy, move, hold and cut recommendations with their money impact.3

Not in the published offer. Creating, sending and executing purchase orders are not established parts of the public offer.

Purchase orders are inputs to the audit.3

Not in the published offer. The public service description does not assign every PO creation, sending or supplier-follow-up step.4

Not in the published offer. An audit feature for minimum-order quantities or case-pack optimisation is not established publicly.

The audit puts a date and a price in pounds on each buy that follows the retailer forecast.7

The software calculates reorder points, safety stock and supplier recommendations, with warehouse-to-Amazon replenishment workflows.17

The vendor describes supplier-grouped PO suggestions that users can review, change and submit.18

The operator can review a generated PO and send it to the supplier through the software.16

The vendor describes SKU-supplier MOQs and case-pack rounding for replenishment.12

Supplier and warehouse lead times are inputs to restock recommendations.19

Cash

Production sizing, cash planning and promotion calls are priced from the same forecast.5

Not in the published offer. An automatic hard-budget constraint or cash-constrained optimiser is not established publicly.

The vendor advertises margin, overstock-cost and working-capital visibility.16

Not confirmed. Hard purchasing-budget or cash-limit constraints in the optimisation were not established.

Batches and shelf life

Not in the published offer. Batch tracking, expiry handling and shelf-life constraints are not established in the public offer.

Not confirmed. Lot, expiry-date and shelf-life-aware replenishment were not established.

What it connects to

Not in the published offer. Shopify support is not evidenced as a documented integration in the public pages read.

Not in the published offer. Amazon support is not evidenced as a documented integration in the public pages read.

Not in the published offer. 3PL support is not evidenced as a documented integration in the public pages read.

Not in the published offer. ERP support is not evidenced as a documented integration in the public pages read.

Not in the published offer. CSV file intake support is not evidenced as a documented integration in the public pages read.

The vendor advertises a direct Shopify connection for orders, stock and variant-level forecasting, with Growth explicitly listing Shopify.20

The vendor advertises direct Seller Central data sync and Amazon inbound shipment creation.23

The Shopify connection advertises stock visibility for Shopify locations including 3PLs.16

Not confirmed. Named direct 3PL/WMS connectors and their write-back workflows were not established.

QuickBooks Online is advertised via a direct API, with read-only sales, invoice, vendor and COGS data.24

Custom ERP and marketplace connections are advertised through an Open REST API, not as named native connectors.20

CSV import/export is advertised, including custom ASIN/SKU/quantity shipment uploads and shipment exports.25

What your team still does

Not in the published offer. A formal approval matrix for forecast sign-off and cash commitments is not published.

The brand signs its retailer promotions after the desk’s profit read.5

Not in the published offer. Responsibility for ongoing operational exceptions and their response times is not fully specified publicly.

The PO workflow asks the operator to review, adjust and approve before submission.18

Not confirmed. Formal forecast sign-off and cash-approval authority were not established.

Vendor help tells the operator to investigate parameters and shipment status when restock advice looks wrong.19

Getting started

The audit takes two weeks from when the data lands, not from payment.3

The audit draft arrives on day 13 and the walkthrough call is on day 14.3

The audit asks for 12 to 24 months of sales, purchase orders, a stockist list and a promotion calendar.3

The client supplies a sales export, retailer reports and an hour for questions.5

The vendor says most teams receive a 12-month forecast within 24 hours of connecting Seller Central.14

Setup requires channel access and brand-specific supplier and inventory parameters.16

Support and UK presence

Yurii Blazhevych takes the call and runs the forecast.5

The audit includes a working session through the first decisions on day 14.5

The monthly desk refreshes the numbers, maintains the ledger and reads retailer promotions before the client signs.5

Antevon lists a registered office at Manorfield, Church Road, Sevenoaks, Kent TN14 6EA.2

Not in the published offer. A staffed UK operating office is not established from the public registered-address statement.

Antevon Ltd states that it is registered in England and Wales under company number 17404379.2

Not in the published offer. UK support hours, time-zone coverage and response-time commitments are not specified publicly.

Not in the published offer. Named or independently verified UK clients are not established from the allowed public pages.

Website plans advertise email support on Starter, priority chat on Growth and a dedicated CSM plus SLA on Agency.14

Not confirmed. A staffed UK office was not established.

Not confirmed. A UK contracting entity was not established.

Not confirmed. UK support hours, timezone coverage and response-time commitments were not established.

Not confirmed. Named UK customer deployments were not established.

How it is charged

Antevon publishes from-prices for both the audit and the monthly desk; the final fee is scoped on a call.8

Neither the audit nor the monthly desk is billed by the hour.10

The audit fee depends on product and retailer count, is quoted on the first call, and is fixed once agreed.8

Half the audit fee books the slot and half is paid on delivery.8

Data cleaning is part of the audit work, not a surcharge.10

The optional monthly desk is scoped to the catalogue and retailer count.10

Not in the published offer. A separate minimum purchase or initial commitment beyond the published from-prices is unknown.

Not in the published offer. Whether a separate setup or onboarding fee applies is unknown.

There is no surcharge for cleaning imperfect audit data.5

Not in the published offer. Trial availability and trial terms are unknown from the public pages checked.

The full terms for working together are in each signed engagement letter, not the website terms.2

The monthly desk is optional after the audit.10

The audit files keep working without an ongoing software login or subscription.10

The monthly desk has rolling 30-day notice.8

Public pricing is mixed: a fixed website Starter price, a Growth starting price, custom Agency pricing and separate Shopify prices.14

The Shopify listing publishes specific tier amounts for its own user and SKU limits.22

Website Agency and multi-account prices require a quote.14

Website Growth is a starting price of US$199.95 per month plus an unspecified amount.14

Website Starter has a published scoped amount of US$79.95 per month.14

Inventory Optimizer advertises tiered subscriptions and custom agency pricing; its posted terms say payments are billed in US dollars.13

The lowest website tier displayed is Starter at US$79.95 per month, not a price for every catalogue or multichannel workload.14

The Shopify connection page advertises no implementation fee for self-service setup.16

Current product and pricing pages advertise a 14-day free trial without a credit card.14

The posted terms, last revised in 2017, still state a 30-day trial, conflicting with current 14-day marketing.13

The pricing page advertises month-to-month billing, cancellation anytime and a 30-day money-back guarantee.14

The posted terms call for written cancellation notice and say payments are non-refundable, unlike the pricing-page guarantee.13

Not confirmed. The controlling trial length and refund terms could not be reconciled from the conflicting public pages.

Anything else

Audit exports and reports are used only to build the client’s files, not shared outside Antevon and deleted on request.11

A beta feature is advertised to pause and restart Amazon ad delivery based on per-ASIN stock position.26

The vendor advertises inventory-aware price recommendations with editable prices, CSV overrides and Amazon sync.15

The posted 2017-revised terms contain a clause against supplying EU personal information to the software.13

The 2025 privacy policy says personal information is transferred outside Europe, including to Canada and the United States.21

Not confirmed. The current UK data-processing agreement, transfer safeguards and precedence between the older terms and newer privacy policy were not established.

Words used in the table
SKU
one product in one size or shade
MOQ
the smallest order a supplier accepts
PO
a purchase order, your order to a supplier
Lead time
how long a supplier takes to deliver
Sell-through
what shoppers bought at the retailer
EDI
the data link large retailers use for orders and sales
GMV
total sales through your online store
BOM
the list of parts that go into a product
3PL
a warehouse company that stores and ships for you
ERP
a business system for stock, orders and accounts

Published prices

Each price is the company’s own list price, as its page shows it, with the date we checked it. We do not estimate a price a company does not publish. Price your own case.

ForecastRx / Inventory Optimizer

The Shopify listing displays Advanced at US$199.99 per month, with recurring charges billed every 30 days, for 2 users and up to 2,500 active SKUs.22

The Shopify listing publishes Advanced at US$1,999.99 per year for 2 users and up to 2,500 active SKUs.22

The Shopify listing displays Enterprise at US$399.99 per month, with recurring charges billed every 30 days, for 20 users and up to 20,000 active SKUs.22

The Shopify listing publishes Enterprise at US$3,999.99 per year for 20 users and up to 20,000 active SKUs.22

All 11 price lines from ForecastRx / Inventory Optimizer’s pages

The Shopify listing displays Advanced at US$199.99 per month, with recurring charges billed every 30 days, for 2 users and up to 2,500 active SKUs.22

The Shopify listing publishes Advanced at US$1,999.99 per year for 2 users and up to 2,500 active SKUs.22

The website gives custom Agency pricing for multi-client accounts, with a CSM, SLA and Open API/webhooks advertised.14

The Shopify listing displays Enterprise at US$399.99 per month, with recurring charges billed every 30 days, for 20 users and up to 20,000 active SKUs.22

The Shopify listing publishes Enterprise at US$3,999.99 per year for 20 users and up to 20,000 active SKUs.22

The website lists Growth from US$199.95 per month for up to 2,500 active SKUs and multichannel features.14

The Shopify listing displays Pro at US$299.99 per month, with recurring charges billed every 30 days, for 3 users and up to 5,000 active SKUs.22

The Shopify listing publishes Pro at US$2,999.99 per year for 3 users and up to 5,000 active SKUs.22

The website lists Starter at US$79.95 per month for up to 500 active SKUs and Amazon FBA/FBM forecasting.14

The Shopify listing displays Starter at US$79.99 per month, with recurring charges billed every 30 days, for 2 users and up to 250 active SKUs.22

The Shopify listing publishes Starter at US$799.99 per year for 2 users and up to 250 active SKUs.22

Antevon

The audit is from £2,500 as a one-off fee; tax is not stated.8

The desk after the audit is from £2,500 per month; tax is not stated.9

Switching or using both

For beauty brands selling through retailers, consider keeping ForecastRx / Inventory Optimizer for connected restocking5. A separately scoped Antevon audit could cover retailer forecasts and promotion decisions5.

Questions people ask

Can Inventory Optimizer forecast a product with no sales history?

Yes, it combines similar products' history, your projections and seasonal patterns12. Its general forecast looks 12 months ahead and adapts weekly12.

Can Antevon keep the forecast up to date?

Antevon's optional monthly service refreshes the forecast and keeps the record of decisions up to date. Its fee depends on your product range and retailer count, rather than hours worked.

When does work on the Antevon audit start?

Work starts when your data arrives, not when you pay. You receive a draft on day 13 and have the walkthrough call on day 14.

Sources and dates

Antevon wrote this page. Each fact about ForecastRx / Inventory Optimizer comes from a public page, read on the date shown. Antevon's own column follows the same rule.

We read these pages on 21 Oct 2026.

ForecastRx / Inventory Optimizer's pages

  1. 12. Demand Forecasting & Planning Software - Inventory Optimizer
  2. 13. Terms of Service - Inventory Optimizer
  3. 14. Pricing - Inventory Optimizer
  4. 15. Optimize Prices based on Inventory Levels - Inventory Optimizer
  5. 16. Inventory Software for Shopify - Inventory Optimizer
  6. 17. Inventory Forecasting Tools & Features - Inventory Optimizer
  7. 18. Streamline your Amazon Purchase Orders - Inventory Optimizer
  8. 19. Understanding Restock Recommendations – ForecastRx
  9. 20. E-Commerce Integrations - Inventory Optimizer
  10. 21. Privacy Policy | Inventory Optimizer
  11. 22. Inventory Optimizer - Profitability with precise demand forecasting and inventory | Shopify App Store
  12. 23. Inventory Software for Amazon Sellers - Inventory Optimizer
  13. 24. Inventory Software for QuickBooks Sellers - Inventory Optimizer
  14. 25. Restocking Software for Amazon Sellers - Inventory Optimizer
  15. 26. Inventory-Aware Advertising and Repricing | Inventory Optimizer

Antevon's own pages

  1. 1. Brand kit · Antevon
  2. 2. Terms · Antevon
  3. 3. The 2-week audit · Antevon
  4. 4. llms.txt (antevon.com)
  5. 5. Antevon · Know how much you'll sell, before you make it.
  6. 6. What a November promotion has to sell to pay back · Antevon
  7. 7. Only 2 left, and the factory needs four weeks · Antevon
  8. 8. The 2-week audit · Antevon
  9. 9. llms.txt (antevon.com)
  10. 10. Antevon · Know how much you'll sell, before you make it.
  11. 11. Privacy · Antevon

Got something wrong? Contact us at corrections@antevon.com. We reply within 5 working days.

ForecastRx / Inventory Optimizer is a trade mark of its owner. Antevon is not affiliated with ForecastRx / Inventory Optimizer.

Plain-text version, for AI assistants

Book the 2-week audit

Twenty minutes with Yurii, on Zoom or by phone.

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