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Underpriced AI

ListForge alternative: the same comps, a calibrated range, and every marketplace

ListForge turns photos into a full eBay listing priced from linked sold comps, about $0.50 a listing after 2,000 free credits. Underpriced AI adds a calibrated range with three list prices, the net after fees, Bonanza and crosslisting, from $5 a month or a $3 pack of 5 scans.

Underpriced AI vs ListForge

FeatureUnderpriced AIListForge
Identify any item from a photo
Barcode scanning (books, CDs, vinyl)Not stated
Real sold comps with clickable links to verifyeBay sold comps, linked from each price
Sold data across eBay, Poshmark, MercarieBay
Live active listingsNot stated
Market saturation + category sell-throughNot stated
Platform fee / take-home calculatorNot stated
Weekly portfolio email: value, what sold, what's trendingNot stated
AI-generated listing title + descriptionFull eBay listing incl. item specifics
Direct eBay publishing (10 markets)
Bonanza publishingNot stated
Cross-listing (one-click autofill)eBay, Facebook, Poshmark, Mercari, Depop, Vinted, Whatnot, OfferUp, Etsy + more (Bonanza direct)eBay; Amazon, Poshmark, Facebook, Etsy listed as coming soon
One-tap reprice / refresh valueNot stated
Inventory management (death pile, storage, tags)Not stated
Purchase price + profit/loss trackingNot stated
Analytics dashboard (ROI, aging, sourcing)Not stated
Estate & garage sale finderNot stated
PlatformsiOS, Android, Web, extensioniOS, Android, Web
AI modelClaude Opus 5.5AI (undisclosed)
Free first scan, no card2,000 free credits, no card
Sold prices from more than one source, with automatic failoverNot stated
Works inside ChatGPT, Claude and coding assistants (MCP)Not stated
Scan packs, no subscription required5 scans for $3Not stated
eBay Promoted Listings at your own ad rateNot stated
Pricing accuracy measured against real sales and publishedNot stated
Starting priceFree scan, then $5/mo or a $3 5-scan pack2,000 free credits (about 20 items), then about $0.50 per listing

ListForge facts checked 2026-09-16 against list-forge.ai. “Not stated” means their public material does not say; it is not a no. Their features and prices can change.

What ListForge does well

An automation dial. ListForge can review everything with you, auto-draft, or run fully automatic from photo to published eBay listing, with item specifics filled and each price linked to its sold comps. Pricing is per listing in credits, with no cut of sales, on iOS, Android and the web.

Where Underpriced AI goes further

Around the comps it gives a calibrated range, three list prices with a two-week sell chance, the net after fees and a worth-it verdict. Its accuracy is measured against independent sales and published. The listing can go to eBay in 10 markets or Bonanza, and a free extension fills eight more marketplaces now rather than later. Inventory and profit are tracked, and an MCP connector brings the comps into ChatGPT or Claude.

Choose Underpriced AI if you

  • Sell on Poshmark, Mercari, Facebook or Etsy today, not when it ships
  • Want a range and a sell chance, not only a price
  • Track inventory and profit in the same tool
  • Prefer a flat monthly plan or a pack with no subscription

ListForge may fit if you

  • List in high volume on eBay only and want it fully automatic
  • Like per-listing pricing with no subscription
  • Want the largest free allowance to start

Common questions

How is Underpriced AI different from ListForge?

Both identify an item, research eBay sold comps and build a full eBay listing with item specifics, and both show the comps. Underpriced AI adds a calibrated range with three list prices and a two-week sell chance, the net after fees and a worth-it verdict. Then it sells past eBay: Bonanza from the app and eight more marketplaces through a free extension.

Does ListForge show the sold comps?

Yes. Its site says every price links to the sold comps that justify it. So does Underpriced AI. The difference is what sits around the comps and where the listing can go.

What does ListForge cost compared to Underpriced AI?

On list-forge.ai on 2026-09-16, ListForge gave 2,000 free credits (about 20 items, no card) and then cost about $0.50 per listing in credits. Underpriced AI gives a free first scan, then plans from $5 a month or a $3 pack of 5 scans.

Which marketplaces does each cover?

ListForge publishes to eBay, with Amazon, Poshmark, Facebook Marketplace and Etsy listed as coming soon. Underpriced AI publishes to eBay in 10 markets and Bonanza, and its extension fills the form on Facebook Marketplace, Poshmark, Mercari, Depop, Vinted, Whatnot, OfferUp and Etsy today.

Does either run on Android or the web?

Both. ListForge lists iOS, Android and a web app. Underpriced AI has iOS and Android apps, a full web app, and a Chrome and Firefox extension.

See what it really sold for

Your first scan is free. No card.

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