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

Canonical: https://www.antevon.com/compare/forecastrx-inventory-optimizer

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

## The short answer

Both help you forecast sales and decide what stock to buy [3, 14]. Choose ForecastRx / Inventory Optimizer when you want software your team runs [17, 21]. Choose Antevon for a fixed-fee, two-week audit that builds the forecast for you [3].

## Who each one fits

ForecastRx / Inventory Optimizer targets Amazon sellers managing 100 or more products, alongside brands selling through several channels [14].

Antevon works with independent beauty and skincare brands in the UK and EU [4]. It serves brands selling through retailers or preparing to do so [3].

## 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 them [18].
- If suppliers set minimum orders, it accounts for these by product and supplier and rounds orders to full cases [12].
- If you need to track stock costs, it reports margins and the cost of excess stock [16].

## When Antevon is the better choice

- If your retailer forecast has no full-time owner, Antevon's audit fits founders and commercial teams [5].
- If you're deciding on a retailer promotion, the audit prices running it against not running it [6].

## How they differ

With ForecastRx / Inventory Optimizer, your team authorises store access and supplies supplier details, delivery times and minimum orders [16]. It also syncs Amazon Seller Central data and creates inbound shipment plans [23]. Growth lists a direct Shopify connection for orders and stock [20]. Starter includes email support, while Growth includes priority chat [14].

Antevon asks for a sales export, retailer reports and an hour for questions [5]. It cleans imperfect data as part of the audit [5].

Yurii Blazhevych, who runs Antevon's forecasts, takes your call [5]. The audit hands over two Excel files for you to keep [5]. The forecast gives a number for each product, retailer and month [5].

## 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.

### What it is

- Antevon: Antevon describes itself as a managed demand desk for indie beauty and dermocosmetics brands. [4]
- Antevon: The audit is a fixed-fee two-week forecasting project. [3]
- Antevon: The optional monthly desk refreshes the forecast and maintains the decision ledger. [5]
- Antevon: Antevon publicly offers a bookable two-week demand audit. [3]
- Antevon: Antevon Ltd operates the public offer and website. [2]
- Antevon: Not in the published offer. No additional trading aliases were established from the public pages read.
- Antevon: The public trading name is Antevon. [1]
- ForecastRx / Inventory Optimizer: Inventory Optimizer is demand forecasting and replenishment software for Amazon sellers and ecommerce agencies. [14]
- ForecastRx / Inventory Optimizer: Inventory Optimizer is cloud-based forecasting and purchasing software. [21]
- ForecastRx / Inventory Optimizer: Inventory Optimizer currently advertises paid plans and a free trial. [14]
- ForecastRx / Inventory Optimizer: The posted terms identify Inventory Optimizer Inc., incorporated in Florida, as the contracting company. [13]
- ForecastRx / Inventory Optimizer: ForecastRx remains an associated brand and Shopify developer name for Inventory Optimizer. [12]
- ForecastRx / Inventory Optimizer: The current product is named Inventory Optimizer. [12]

### Who it is for

- Antevon: The public audience is roughly £0.5M to £25M in revenue. [4]
- Antevon: Antevon targets indie beauty and dermocosmetics brands. [4]
- Antevon: The audit is for beauty brands selling through retailers or about to do so. [3]
- Antevon: The stated service audience is in the UK and EU. [4]
- Antevon: The audit is positioned for a founder or commercial team without a full-time owner of the forecast. [5]
- ForecastRx / Inventory Optimizer: The vendor targets Amazon sellers with 100 or more SKUs and multichannel brands, without a verified revenue band. [14]
- ForecastRx / Inventory Optimizer: The vendor describes ecommerce use and examples in supplements, home goods and pet products. [12]
- ForecastRx / Inventory Optimizer: The vendor markets Amazon and multichannel planning, including Shopify and wholesale orders. [14]
- ForecastRx / Inventory Optimizer: Inventory Optimizer describes itself as US-based; full UK forecasting, logistics and contracting eligibility were not verified. [12]
- ForecastRx / Inventory Optimizer: The repricing page explicitly includes the UK among 14 international marketplaces with visibility. [15]
- ForecastRx / Inventory Optimizer: The vendor says statistical expertise is not needed, but the operator must supply purchasing parameters. [16]

### Who builds the forecast

- Antevon: The brand brings its sales export and retailer reports and makes an hour available for questions. [5]
- Antevon: Antevon cleans the imperfect data as part of the work. [5]
- Antevon: Not in the published offer. Responsibility for supplier lead-time, MOQ, safety-stock and connected-system parameter maintenance is not specified publicly.
- Antevon: On the optional desk, Antevon refreshes each forecast number monthly and maintains the ledger. [5]
- Antevon: Not in the published offer. Native system installation, production integration builds and full-stack migration scope are not established for the general audit.
- Antevon: The client can keep using the delivered files without adopting software or maintaining a paid login. [5]
- Antevon: Cleaning imperfect data is included in the audit rather than charged as a surcharge. [5]
- Antevon: The audit leaves the client with two Excel files to keep. [5]
- ForecastRx / Inventory Optimizer: Connected history syncs automatically, while the brand authorises access and supplies purchasing inputs. [23]
- ForecastRx / Inventory Optimizer: Not confirmed. Responsibility for historical-data cleanup, SKU mapping and duplicate-channel reconciliation was not established.
- ForecastRx / Inventory Optimizer: Vendor help instructs users to check lead times and adjust inventory and sales-rate settings. [19]
- ForecastRx / Inventory Optimizer: The vendor describes self-service setup with no implementation fee or required onboarding call. [16]

### What the forecast covers

- Antevon: The forecast is by product, retailer and month. [5]
- Antevon: Not in the published offer. A standard service forecast horizon is not established from the public offer.
- ForecastRx / Inventory Optimizer: The vendor advertises forecasts per SKU or variant and combined demand across channels. [16]
- ForecastRx / Inventory Optimizer: The vendor advertises a 12-month forward forecast with weekly adaptation. [12]

### Retailers and sell-through

- Antevon: Not in the published offer. Retailer-by-retailer sell-in versus sell-through input coverage and data-feed availability are not specified.
- Antevon: The stated forecast target is what each retailer will sell, with buy decisions following from it. [7]
- Antevon: Not in the published offer. retailer EDI support is not evidenced as a documented integration in the public pages read.
- ForecastRx / Inventory Optimizer: QuickBooks wholesale invoices and sales receipts can feed demand alongside ecommerce sales. [20]
- ForecastRx / Inventory Optimizer: Not confirmed. Native retailer EDI and named UK retailer sell-through feeds were not established.

### Promotions and launches

- Antevon: The audit models each promotion separately and gives each forecast number a likely range. [3]
- Antevon: The audit prices a retailer promotion against not running it, in pounds. [6]
- Antevon: 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.
- Antevon: Launch events are marked when the audit cleans sales history. [3]
- ForecastRx / Inventory Optimizer: Inventory Optimizer advertises promotion and event-aware forecasting. [16]
- ForecastRx / Inventory Optimizer: New-product forecasts are described as combining analogous products, user projections and seasonality. [12]

### Orders to suppliers

- Antevon: The audit supplies buy, move, hold and cut recommendations with their money impact. [3]
- Antevon: Not in the published offer. Creating, sending and executing purchase orders are not established parts of the public offer.
- Antevon: Purchase orders are inputs to the audit. [3]
- Antevon: Not in the published offer. The public service description does not assign every PO creation, sending or supplier-follow-up step. [4]
- Antevon: Not in the published offer. An audit feature for minimum-order quantities or case-pack optimisation is not established publicly.
- Antevon: The audit puts a date and a price in pounds on each buy that follows the retailer forecast. [7]
- ForecastRx / Inventory Optimizer: The software calculates reorder points, safety stock and supplier recommendations, with warehouse-to-Amazon replenishment workflows. [17]
- ForecastRx / Inventory Optimizer: The vendor describes supplier-grouped PO suggestions that users can review, change and submit. [18]
- ForecastRx / Inventory Optimizer: The operator can review a generated PO and send it to the supplier through the software. [16]
- ForecastRx / Inventory Optimizer: The vendor describes SKU-supplier MOQs and case-pack rounding for replenishment. [12]
- ForecastRx / Inventory Optimizer: Supplier and warehouse lead times are inputs to restock recommendations. [19]

### Cash

- Antevon: Production sizing, cash planning and promotion calls are priced from the same forecast. [5]
- Antevon: Not in the published offer. An automatic hard-budget constraint or cash-constrained optimiser is not established publicly.
- ForecastRx / Inventory Optimizer: The vendor advertises margin, overstock-cost and working-capital visibility. [16]
- ForecastRx / Inventory Optimizer: Not confirmed. Hard purchasing-budget or cash-limit constraints in the optimisation were not established.

### Batches and shelf life

- Antevon: Not in the published offer. Batch tracking, expiry handling and shelf-life constraints are not established in the public offer.
- ForecastRx / Inventory Optimizer: Not confirmed. Lot, expiry-date and shelf-life-aware replenishment were not established.

### What it connects to

- Antevon: Not in the published offer. Shopify support is not evidenced as a documented integration in the public pages read.
- Antevon: Not in the published offer. Amazon support is not evidenced as a documented integration in the public pages read.
- Antevon: Not in the published offer. 3PL support is not evidenced as a documented integration in the public pages read.
- Antevon: Not in the published offer. ERP support is not evidenced as a documented integration in the public pages read.
- Antevon: Not in the published offer. CSV file intake support is not evidenced as a documented integration in the public pages read.
- ForecastRx / Inventory Optimizer: The vendor advertises a direct Shopify connection for orders, stock and variant-level forecasting, with Growth explicitly listing Shopify. [20]
- ForecastRx / Inventory Optimizer: The vendor advertises direct Seller Central data sync and Amazon inbound shipment creation. [23]
- ForecastRx / Inventory Optimizer: The Shopify connection advertises stock visibility for Shopify locations including 3PLs. [16]
- ForecastRx / Inventory Optimizer: Not confirmed. Named direct 3PL/WMS connectors and their write-back workflows were not established.
- ForecastRx / Inventory Optimizer: QuickBooks Online is advertised via a direct API, with read-only sales, invoice, vendor and COGS data. [24]
- ForecastRx / Inventory Optimizer: Custom ERP and marketplace connections are advertised through an Open REST API, not as named native connectors. [20]
- ForecastRx / Inventory Optimizer: CSV import/export is advertised, including custom ASIN/SKU/quantity shipment uploads and shipment exports. [25]

### What your team still does

- Antevon: Not in the published offer. A formal approval matrix for forecast sign-off and cash commitments is not published.
- Antevon: The brand signs its retailer promotions after the desk’s profit read. [5]
- Antevon: Not in the published offer. Responsibility for ongoing operational exceptions and their response times is not fully specified publicly.
- ForecastRx / Inventory Optimizer: The PO workflow asks the operator to review, adjust and approve before submission. [18]
- ForecastRx / Inventory Optimizer: Not confirmed. Formal forecast sign-off and cash-approval authority were not established.
- ForecastRx / Inventory Optimizer: Vendor help tells the operator to investigate parameters and shipment status when restock advice looks wrong. [19]

### Getting started

- Antevon: The audit takes two weeks from when the data lands, not from payment. [3]
- Antevon: The audit draft arrives on day 13 and the walkthrough call is on day 14. [3]
- Antevon: The audit asks for 12 to 24 months of sales, purchase orders, a stockist list and a promotion calendar. [3]
- Antevon: The client supplies a sales export, retailer reports and an hour for questions. [5]
- ForecastRx / Inventory Optimizer: The vendor says most teams receive a 12-month forecast within 24 hours of connecting Seller Central. [14]
- ForecastRx / Inventory Optimizer: Setup requires channel access and brand-specific supplier and inventory parameters. [16]

### Support and UK presence

- Antevon: Yurii Blazhevych takes the call and runs the forecast. [5]
- Antevon: The audit includes a working session through the first decisions on day 14. [5]
- Antevon: The monthly desk refreshes the numbers, maintains the ledger and reads retailer promotions before the client signs. [5]
- Antevon: Antevon lists a registered office at Manorfield, Church Road, Sevenoaks, Kent TN14 6EA. [2]
- Antevon: Not in the published offer. A staffed UK operating office is not established from the public registered-address statement.
- Antevon: Antevon Ltd states that it is registered in England and Wales under company number 17404379. [2]
- Antevon: Not in the published offer. UK support hours, time-zone coverage and response-time commitments are not specified publicly.
- Antevon: Not in the published offer. Named or independently verified UK clients are not established from the allowed public pages.
- ForecastRx / Inventory Optimizer: Website plans advertise email support on Starter, priority chat on Growth and a dedicated CSM plus SLA on Agency. [14]
- ForecastRx / Inventory Optimizer: Not confirmed. A staffed UK office was not established.
- ForecastRx / Inventory Optimizer: Not confirmed. A UK contracting entity was not established.
- ForecastRx / Inventory Optimizer: Not confirmed. UK support hours, timezone coverage and response-time commitments were not established.
- ForecastRx / Inventory Optimizer: Not confirmed. Named UK customer deployments were not established.

### How it is charged

- Antevon: Antevon publishes from-prices for both the audit and the monthly desk; the final fee is scoped on a call. [8]
- Antevon: Neither the audit nor the monthly desk is billed by the hour. [10]
- Antevon: The audit fee depends on product and retailer count, is quoted on the first call, and is fixed once agreed. [8]
- Antevon: Half the audit fee books the slot and half is paid on delivery. [8]
- Antevon: Data cleaning is part of the audit work, not a surcharge. [10]
- Antevon: The optional monthly desk is scoped to the catalogue and retailer count. [10]
- Antevon: Not in the published offer. A separate minimum purchase or initial commitment beyond the published from-prices is unknown.
- Antevon: Not in the published offer. Whether a separate setup or onboarding fee applies is unknown.
- Antevon: There is no surcharge for cleaning imperfect audit data. [5]
- Antevon: Not in the published offer. Trial availability and trial terms are unknown from the public pages checked.
- Antevon: The full terms for working together are in each signed engagement letter, not the website terms. [2]
- Antevon: The monthly desk is optional after the audit. [10]
- Antevon: The audit files keep working without an ongoing software login or subscription. [10]
- Antevon: The monthly desk has rolling 30-day notice. [8]
- ForecastRx / Inventory Optimizer: Public pricing is mixed: a fixed website Starter price, a Growth starting price, custom Agency pricing and separate Shopify prices. [14]
- ForecastRx / Inventory Optimizer: The Shopify listing publishes specific tier amounts for its own user and SKU limits. [22]
- ForecastRx / Inventory Optimizer: Website Agency and multi-account prices require a quote. [14]
- ForecastRx / Inventory Optimizer: Website Growth is a starting price of US$199.95 per month plus an unspecified amount. [14]
- ForecastRx / Inventory Optimizer: Website Starter has a published scoped amount of US$79.95 per month. [14]
- ForecastRx / Inventory Optimizer: Inventory Optimizer advertises tiered subscriptions and custom agency pricing; its posted terms say payments are billed in US dollars. [13]
- ForecastRx / Inventory Optimizer: The lowest website tier displayed is Starter at US$79.95 per month, not a price for every catalogue or multichannel workload. [14]
- ForecastRx / Inventory Optimizer: The Shopify connection page advertises no implementation fee for self-service setup. [16]
- ForecastRx / Inventory Optimizer: Current product and pricing pages advertise a 14-day free trial without a credit card. [14]
- ForecastRx / Inventory Optimizer: The posted terms, last revised in 2017, still state a 30-day trial, conflicting with current 14-day marketing. [13]
- ForecastRx / Inventory Optimizer: The pricing page advertises month-to-month billing, cancellation anytime and a 30-day money-back guarantee. [14]
- ForecastRx / Inventory Optimizer: The posted terms call for written cancellation notice and say payments are non-refundable, unlike the pricing-page guarantee. [13]
- ForecastRx / Inventory Optimizer: Not confirmed. The controlling trial length and refund terms could not be reconciled from the conflicting public pages.

### Anything else

- Antevon: Audit exports and reports are used only to build the client’s files, not shared outside Antevon and deleted on request. [11]
- ForecastRx / Inventory Optimizer: A beta feature is advertised to pause and restart Amazon ad delivery based on per-ASIN stock position. [26]
- ForecastRx / Inventory Optimizer: The vendor advertises inventory-aware price recommendations with editable prices, CSV overrides and Amazon sync. [15]
- ForecastRx / Inventory Optimizer: The posted 2017-revised terms contain a clause against supplying EU personal information to the software. [13]
- ForecastRx / Inventory Optimizer: The 2025 privacy policy says personal information is transferred outside Europe, including to Canada and the United States. [21]
- ForecastRx / Inventory Optimizer: 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.

### 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] Checked 21 Oct 2026.
- The Shopify listing publishes Advanced at US$1,999.99 per year for 2 users and up to 2,500 active SKUs. [22] Checked 21 Oct 2026.
- The website gives custom Agency pricing for multi-client accounts, with a CSM, SLA and Open API/webhooks advertised. [14] Checked 21 Oct 2026.
- 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] Checked 21 Oct 2026.
- The Shopify listing publishes Enterprise at US$3,999.99 per year for 20 users and up to 20,000 active SKUs. [22] Checked 21 Oct 2026.
- The website lists Growth from US$199.95 per month for up to 2,500 active SKUs and multichannel features. [14] Checked 21 Oct 2026.
- 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] Checked 21 Oct 2026.
- The Shopify listing publishes Pro at US$2,999.99 per year for 3 users and up to 5,000 active SKUs. [22] Checked 21 Oct 2026.
- The website lists Starter at US$79.95 per month for up to 500 active SKUs and Amazon FBA/FBM forecasting. [14] Checked 21 Oct 2026.
- 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] Checked 21 Oct 2026.
- The Shopify listing publishes Starter at US$799.99 per year for 2 users and up to 250 active SKUs. [22] Checked 21 Oct 2026.

### Antevon

- The audit is from £2,500 as a one-off fee; tax is not stated. [8] Checked 21 Oct 2026.
- The desk after the audit is from £2,500 per month; tax is not stated. [9] Checked 21 Oct 2026.

## Switching or using both

For beauty brands selling through retailers, consider keeping ForecastRx / Inventory Optimizer for connected restocking [5]. A separately scoped Antevon audit could cover retailer forecasts and promotion decisions [3, 5, 7].

## Questions people ask

### Can Inventory Optimizer forecast a product with no sales history?

Yes, it combines similar products' history, your projections and seasonal patterns [12]. Its general forecast looks 12 months ahead and adapts weekly [12].

### 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 [5]. Its fee depends on your product range and retailer count, rather than hours worked [10].

### When does work on the Antevon audit start?

Work starts when your data arrives, not when you pay [3]. You receive a draft on day 13 and have the walkthrough call on day 14 [3].

## 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.

1. Brand kit · Antevon, https://www.antevon.com/brand
2. Terms · Antevon, https://www.antevon.com/terms
3. The 2-week audit · Antevon, https://www.antevon.com/audit
4. llms.txt (antevon.com), https://www.antevon.com/llms.txt
5. Antevon · Know how much you'll sell, before you make it., https://www.antevon.com/
6. What a November promotion has to sell to pay back · Antevon, https://www.antevon.com/notes/november-promotion-payback
7. Only 2 left, and the factory needs four weeks · Antevon, https://www.antevon.com/notes/low-stock-alert-supplier-order-date
8. The 2-week audit · Antevon, https://www.antevon.com/audit
9. llms.txt (antevon.com), https://www.antevon.com/llms.txt
10. Antevon · Know how much you'll sell, before you make it., https://www.antevon.com/
11. Privacy · Antevon, https://www.antevon.com/privacy
12. Demand Forecasting & Planning Software - Inventory Optimizer, https://inventoryoptimizer.ai/
13. Terms of Service - Inventory Optimizer, https://inventoryoptimizer.ai/terms/
14. Pricing - Inventory Optimizer, https://inventoryoptimizer.ai/pricing/
15. Optimize Prices based on Inventory Levels - Inventory Optimizer, https://inventoryoptimizer.ai/amazon-repricing-intelligence/
16. Inventory Software for Shopify - Inventory Optimizer, https://inventoryoptimizer.ai/shopify-inventory-forecasting/
17. Inventory Forecasting Tools & Features - Inventory Optimizer, https://inventoryoptimizer.ai/features/
18. Streamline your Amazon Purchase Orders - Inventory Optimizer, https://inventoryoptimizer.ai/amazon-purchase-orders/
19. Understanding Restock Recommendations – ForecastRx, https://support.inventoryoptimizer.ai/hc/en-us/articles/13333182885267-Understanding-Restock-Recommendations
20. E-Commerce Integrations - Inventory Optimizer, https://inventoryoptimizer.ai/integrations/
21. Privacy Policy | Inventory Optimizer, https://inventoryoptimizer.ai/privacy-policy-2/
22. Inventory Optimizer - Profitability with precise demand forecasting and inventory | Shopify App Store, https://apps.shopify.com/inventory-optimizer
23. Inventory Software for Amazon Sellers - Inventory Optimizer, https://inventoryoptimizer.ai/amazon-seller-central-integration/
24. Inventory Software for QuickBooks Sellers - Inventory Optimizer, https://inventoryoptimizer.ai/quickbooks-integration/
25. Restocking Software for Amazon Sellers - Inventory Optimizer, https://inventoryoptimizer.ai/restockamz-fba-replenishment/
26. Inventory-Aware Advertising and Repricing | Inventory Optimizer, https://inventoryoptimizer.ai/2026/09/11/inventory-aware-advertising-and-repricing/

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.

Antevon Ltd, registered in England and Wales, company number 17404379. Registered office: Manorfield, Church Road, Sevenoaks, Kent TN14 6EA. hello@antevon.com

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