Book flipping is a volume game: you scan hundreds of ISBNs to find a handful worth buying. The best scanners are fast, work with poor reception and tell you buy or pass instantly.
| # | Tool | Price (checked Oct 2026) | Why it is here |
|---|---|---|---|
| 1 | ScoutIQ | Live $14/mo ($120/yr); LivePro $44/mo ($432/yr) | Offline database mode for thrift stores with no signal, plus custom buy triggers; Live is $14/mo. |
| 2 | BookScouter | Free | Free buyback price comparison: sell textbooks to vendors instantly. |
| 3 | SellerAmp SAS | $19.95/mo (Getting Started), $29.95, $49.95 (Going Pro) | Profit, ROI and eligibility checks for any Amazon product from $19.95/mo. |
| 4 | Amazon Seller App | Free (seller plan from $39.99/mo for Professional) | Free scanner showing eligibility and fees if you already sell on Amazon. |
Offline database mode for thrift stores with no signal, plus custom buy triggers; Live is $14/mo.
ScoutIQ is a book scanning app for Amazon sellers with an offline database mode, so it works in thrift stores and library sales with poor signal. Custom triggers tell you instantly whether to buy.
Pros: Offline database mode; Custom buy triggers; Built for book sourcing. Cons: Books only; Requires Amazon seller knowledge.
Free buyback price comparison: sell textbooks to vendors instantly.
BookScouter compares buyback offers from dozens of vendors for a book's ISBN, so you can sell to the highest bidder in seconds. Flippers also use it to check if a thrift store book has buyback value.
Pros: Compares many buyback vendors; Free; Mobile scanning. Cons: Buyback prices are below retail resale; Mostly textbooks.
Profit, ROI and eligibility checks for any Amazon product from $19.95/mo.
SellerAmp SAS (Selling Assistant) is a browser extension and mobile app that calculates profit, ROI, eligibility, Buy Box share and alerts for any Amazon product, using your own fees and buy cost. It is the most popular deal-analysis tool among arbitrage sellers.
Pros: Fast profit and ROI calculations; Eligibility and IP alerts; Works in-store on mobile. Cons: Arbitrage-specific; Monthly subscription.
Free scanner showing eligibility and fees if you already sell on Amazon.
Amazon's own Seller app lets you scan barcodes to check whether you are allowed to sell an item, estimated fees and current offers. It is the first tool every new Amazon reseller should install.
Pros: Free and official; Shows eligibility restrictions; Fee estimates. Cons: Limited historical data; Requires a seller account.
BookScouter buyback is instant cash with no fees to manage. Selling on Amazon earns more per book but adds fees, storage and slower turns.
The Professional plan is $39.99/mo; casual sellers can start on the per-item Individual plan.
Flip Profit Calculator ($12)
Spreadsheet that returns net proceeds, max buy price, ROI and a GO / COUNTER / PASS decision with fees for 10 platforms, plus a 500-row flip log and dashboard.
Marketplace Pricing Cheat Sheet ($7)
Fees for 8 resale platforms, max-buy and ROI formulas, comp check, net payout table and shipping reference on 6 printable pages.
Instant digital downloads sold via Gumroad.
Fees and prices were checked on October 17, 2026 and change often. Always confirm on the platform's own fee page.