The short version
| EverBee | ZEUS AI | |
|---|---|---|
| Built for | Validating products while you browse Etsy | Deciding what to make next |
| Where it lives | Chrome extension and web app | Web app and the ZeusLens extension |
| Sales numbers | Estimated per listing; EverBee states an average accuracy of about 80% | Shop totals measured from Etsy's public sales counter, read every day; the split per listing estimated, each with its margin of error (paid plans) |
| Says when it is unsure | Not per figure | Yes, on every estimate |
| Language | English | English and Spanish |
| Free plan | Yes (Hobby) | Yes, no time limit, no card |
| Paid plans | Growth $24.99/month billed yearly ($299/year); Business $69/month billed yearly | Starter and Pro, monthly or yearly (see pricing) |
| Chrome Web Store | Yes | Yes, ZeusLens, and it updates itself |
| Maturity | Advertises 1M+ sellers | The newer of the two |
EverBee details and prices as published on everbee.io on 5 October 2026.
Where the sales numbers come from
This is the difference that matters, so it is worth being precise. Etsy does not publish how many units an individual listing has sold, to anyone. EverBee says it plainly in its own FAQ: Etsy does not disclose sales data, and its algorithm maintains an average accuracy of about 80%. That is a reasonable number for a tool like this, but an average hides the cases where it is far off, and on screen every figure looks equally sure.
ZEUS starts from a number that is published: the cumulative sales count Etsy shows for every shop. ZEUS reads it every day, so the difference between two days is sales that actually happened. That total is measured. Only the split between that shop's listings is estimated, and each estimate carries its own margin of error, so a listing with four reviews and one with four hundred do not look equally certain.
Point both tools at listings whose real sales you know: your own. Whichever tool is closer on your products is the one to trust on everyone else's.
When EverBee is the better choice
- Your workflow is browsing Etsy and validating products as you go, and you want the most established extension for it.
- You value a large community and a long track record over newer methods.
When ZEUS fits better
- The question you keep failing to answer is what should I make next, not whether one listing sells.
- You want direction, not snapshots: is a niche rising or has it peaked, is a pattern seasonal or new. ZEUS keeps its own daily history for that.
- You work in Spanish, or sell to Spanish-speaking buyers.
- You want your own shop's results in the loop, linked read-only, so recommendations are checked against what actually happened.
How to test both in an afternoon
- Open the free plan of each. Neither asks for a card.
- Pick five listings whose sales you know and compare each tool's estimate.
- Pick a niche you know well and read what each tool says about it, including what it admits it does not know.
- Keep the one whose answers you would have acted on.