Stop Guessing.
Start Flipping.
Scan barcodes, pull Keepa data, calculate profit, check gating, and batch your inventory — all from one app built by resellers who actually flip books.
Built for the Source
From scanning at the thrift store to managing your FBA inventory — every screen is designed for speed.
Everything You Need to Flip Faster
Built for speed. Designed for profit. Every tool a reseller needs in one app.
* Scan speed varies based on cellular signal strength, Wi-Fi quality, and device performance.
CAMERA SCANNER
Hybrid barcode engine — native BarcodeDetector API with ZXing fallback. Supports EAN-13, UPC-A, CODE-128, ISBN, and rotated barcodes with auto-retry.
BLUETOOTH SCANNER
Pair any Bluetooth barcode scanner for rapid-fire scanning. Point, click, done — no camera aiming needed. Perfect for high-volume sourcing at book sales and library sales.
ENGINE X VISION
ExperimentalExperimental AI-powered scanner. Uses Google Cloud Vision for OCR text detection, web-based product matching, and object localization — with TensorFlow.js real-time object detection on-device.
KEEPA LOOKUPS
Every scan fires a Keepa lookup. Get sales rank, pricing history, sold-per-month data, and product images in under a second.
INTRINSIC VALUE
See the average used price at the moment items actually sold — not just list prices. Cross-references Keepa rank drops with price history over 90-day and 365-day windows so you know what buyers really pay.
PROFIT CALCULATOR
Real-time profit with FBA/FBM fees, referral fees, weight-based shipping, and customizable cost settings. Know your margin before you buy.
SMART TRIGGERS
Pro+Up to 20 trigger parameters with color alerts, sound effects, and auto-keep rules. Starter includes 3 — Pro and above unlocks all 20.
BATCH MANAGEMENT
Pro+Create FBA or FBM batches, assign scanned items, set shipping locations, and manage your entire workflow from one screen.
GATING CHECKS
Pro+Instantly know if you're ungated or gated on any ASIN. One-tap approval requests directly to Seller Central.
SP-API INTEGRATION
Pro+Connect your Seller Central account for real-time inventory sync, competitive pricing data, and sales analytics.
PWA — NO APP STORE
Install directly from your browser. Works offline, syncs across devices, and updates instantly — no app store listing needed.
PERSONAL RECORDS
Track your best finds, rank milestones, and scanning history. Cloud-synced so your stats follow you everywhere.
Four Steps to Profit
SCAN
Point your camera at any barcode, type a UPC, or connect a Bluetooth scanner. Flip Engine X detects it instantly.
ANALYZE
Keepa data loads in under a second. See sales rank, pricing history, FBA/FBM offers, and your estimated profit in real time.
DECIDE
Pro+Set up to 20 trigger parameters with color-coded alerts and sound effects. Starter includes 3 triggers — Pro and above unlocks all 20.
BATCH
Pro+Organize kept items into FBA or FBM batches, set pricing rules and shipping locations, and manage your entire workflow. Available on Pro and above.
Pick Your Level
Early access is here — start with a 3-day free trial on Starter, then $9.99/mo. Pro, Elite, and Enterprise launch in April.
Available now — 3-day free trial, then $9.99/mo. The only plan during early access.
- Camera barcode scanner
- Bluetooth scanner support
- Keepa lookups + title search
- Profit calculator with fee breakdown
- 25 scans per block (3 min cooldown)
- Up to 3 triggers
- Market prices
- Batches
- SP-API
- Inventory Sync
- Gating Checks
- Repricer
Full power for serious resellers.
- Everything in Starter
- 75 scans per block (2 min cooldown)
- Unlimited triggers (999)
- Batch management
- Amazon SP-API integration
- Inventory sync & gating checks
- Repricer available as add-on
- Multi-Marketplace
- Team Accounts
Unlimited scans and full automation.
- Everything in Pro
- Unlimited scans (no cooldown)
- Repricer included (1,000 products)
- Multi-marketplace support
- 1 team account included
- Cloud sync across all devices
For teams and high-volume operations.
- Everything in Elite
- Repricer included (2,500 products)
- 5 team accounts included
- CSV export
- Priority support
- Dedicated account manager
Interested in Pro, Elite, or Enterprise? Join the waitlist to be notified when they launch in April.
Automatically adjust your prices based on competition, sales rank, and buy box status. Set rules once and let the engine optimize your margins 24/7.
Got Questions?
Everything you need to know about the best FBA book scanning app.
Stop Leaving Money on the Shelf
Every second you spend manually checking prices is profit lost. Flip Engine X puts the data in your hands — instantly.