Data month 2026-09
Best AI Collectibles & Appraisal Browser Extensions
As of September 2026, AlphaMoat tracks 3 AI browser extensions tagged AI Collectibles & Appraisal. The most-installed is CardGrade (155 users). Ranked by install count, updated monthly.
| # | Extension | Publisher | Users | Rating |
|---|---|---|---|---|
| 1 |  Grade trading cards instantly with AI. Free 3-day trial. PSA, BGS, and CGC grade predictions without leaving the page. | TCG Treasury | 155 | ★ 4.9 |
| 2 |  Scan items, get instant valuations, and cross-list to marketplaces from one place. | underpricedai | 66 | - |
| 3 |  Spot undervalued coins instantly! AI grade predictions & market value estimates on Heritage Auctions & GreatCollections listings. | Numentio | 26 | - |
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FAQ
AI Collectibles & Appraisal Chrome extensions: which ranks #1?
In September 2026, CardGrade (155 users) ranks #1 by users, followed by Underpriced AI (66 users) and CoinsWorth (26 users).
How many AI Collectibles & Appraisal Chrome extensions does AlphaMoat track, and where does the data come from?
AlphaMoat tracks 3 AI Collectibles & Appraisal Chrome extensions, ranked by users. User counts come from public Chrome Web Store data. Updated monthly; the current data is for September 2026.
Lists every Chrome extension carrying this tag, ranked by latest-month install count. See methodology.