Know the profit
before you buy.
Scan a book in the store and get BUY or REJECT in seconds. Find products that sell for more on another Amazon marketplace. Every fee counted, every number shown.
- 7 days free
- Cancel any time
- Works on your phone
Pick what you need
- Barcode, printed ISBN or the cover title — even a Bluetooth scanner
- BUY or REJECT by your own rules: cost, profit, ROI, rank
- Amazon's real fees, sales per year, offers and the 1-year chart
- “Can I sell it?” for your seller account, new and used
- Batches, Excel and listing on Amazon from your computer
- Opportunities between Amazon US, UK, Germany, France, Canada and more
- Profit after VAT, referral, FBA, freight and duty — line by line
- Demand from Amazon's own sales data, clearly labelled
- Evaluate any ASIN between two marketplaces
- Gate check before you buy, notes on the products you track
See the whole trade
Not a price gap and a guess. The fees, the freight, the duty, the demand — and the arithmetic that turns them into a decision.
| Lane | Remaining | Checked | 24h |
|---|---|---|---|
| US→DE | 25,292 | 133,305 | 3,792 |
| US→FR | 709 | 15,404 | 4,008 |
| US→UK | 1,140 | 705 | 0 |
What it does
VAT, Amazon referral, FBA, weight-based freight, source sales tax, duty and reserves — every candidate is costed end to end. The verdict is profit per unit and ROI on invested cost, never a raw price gap.
Each product opens into the full waterfall, sell price down to profit, line by line. You can see which fee killed a trade instead of guessing, and re-solve it with your own shipping or buy price.
Amazon's own “bought in past month” figure where it exists, Keepa rank drops where it doesn't, and a per-marketplace curve last — always labelled, so you know which one you're reading.
Ask Amazon whether your seller account may list an ASIN in a given marketplace, straight from the table. No more finding out a brand is gated after the stock lands.
Point it at any storefront and see what they hold the buy box on, how it ranks, and how thin the competition is — before spending anything analysing their catalogue.
Discovery and analysis run continuously across your international lanes, rotating to whichever has the most waiting so one busy market can't starve the others.
Simple monthly plans
Start with 7 days free. Take one plan or both, add your team, cancel any time.
- Unlimited scans
- BUY / REJECT rules
- Sales history and fees
- Batches, Excel, Amazon listing
- All opportunity lanes
- Full cost breakdown
- Evaluate any ASIN
- Gate checks and notes
- Each person has their own login
- You choose Scanner, Arbitrage or both for each
- Their scans land in your batches
- Add or remove people any time
Free trial: 7 days, up to 100 scans or lookups a day per plan. A card is needed to start; cancel before the trial ends and nothing is charged. Prices in US dollars. Payments by Stripe — your card never reaches our servers.
Good to know
Do I need an Amazon seller account?+
No. Without one you see prices, fees, rank and sales. If you have one, connect it on the Plans page: then you also see whether your account may sell each item, and can list books on Amazon. AtoZ never reads your orders or customer data, and you can disconnect at any time.
Does the Scanner work on my phone?+
Yes — it is built for phones. Use the camera on the barcode, the printed ISBN or the cover title, or a Bluetooth scanner. Add it to your home screen and it opens like an app.
Can my helpers use my plan?+
Yes. Add each person by email (+$5 a month each) and choose what they get. Every person signs in with their own account; their scans go into your batches.
How do I cancel?+
On the Plans page, one click. You keep access until the end of the month you paid for — or of the trial, and then nothing is charged.
Which marketplaces does Arbitrage cover?+
Lanes between Amazon US, UK, Germany, France, Italy, Spain and Canada, plus same-market flips in the US. Tell us below if you need another one.
Your next good buy is one scan away.
Try everything free for 7 days. No commitment.