If you collect sports cards or TCGs, a scanner app should do three things well: identify a card, tell you what it is really worth, and help you decide whether it is worth grading. Cardly AI and Cardstock are two of the most-downloaded scanners going right now, and they take very different approaches. Here is an honest head-to-head on what each does well, where each falls short, and how Cards AI fits in as a third option.

Quick Answer

Cardstock is the better pick for trustworthy pricing and clean cataloging, since its values come from real eBay sold listings, but it is sports-only and has no AI grading. Cardly AI has slicker AI features including a chat helper and grading, but collectors report its prices and grades can be wildly inconsistent. Cards AI sits between them: real eBay sold comps you can verify, plus AI condition grading, across both sports and TCG. Below is the full breakdown.

What Actually Matters

Three things separate a good scanner from a frustrating one:

Identification accuracy across the cards you actually own, including parallels and variants.
Pricing you can trust. The most important factor. A value is only useful if it reflects what cards are really selling for, and the cleanest source for that is recent eBay sold listings.
Grading help. A raw card and a graded one can differ by thousands of dollars, so a condition estimate before you pay to submit a card saves real money, but only if the estimate is reliable.

Cardly AI

Cardly AI is an AI-first scanner covering sports cards and major TCGs. It leans hard into AI features: a natural-language card chat helper, market-trend screens with 6-month value charts, and an AI grading estimate. The onboarding and interface are polished, and the scanning UI is clean and fast to use.

Where it shines: the AI Card Helper is genuinely useful for quick questions, the market-analysis screens look great, and identification is fast.

Where it struggles: the recurring complaint from collectors is that the pricing and grading cannot be trusted. Reviewers report a graded Michael Jordan rookie valued at around $56, a Gem Mint Shai Gilgeous-Alexander card worth thousands priced at roughly $42, and the same card scanned twice returning completely different values and grades. One reviewer called it nearly useless as a pre-grading tool after it flagged fresh, sharp-cornered cards for "rounding on the corners" that was not there. It also uses a hard paywall with no free trial, so you pay before you can confirm any of this yourself.

Best for: collectors who want slick AI features and are using the values as a rough starting point rather than a number to act on.

Cardstock

Cardstock is a long-running, well-loved sports card cataloging app with over 500,000 users. Its core strength is exactly the thing that matters most: it shows you what similar cards have actually sold for on eBay, so the values reflect real sales rather than a black-box estimate. It also has excellent organization tools, with nestable folders, checklist set tracking, iCloud sync, CSV export, and clean image sharing.

Where it shines: trustworthy eBay-based pricing, fast scanning, and the best cataloging and organization tools of the three. Collectors consistently praise how much money the real sold-price lookups save them at shows.

Where it struggles: it is sports-only, so no Pokemon, Magic, or Yu-Gi-Oh. It has no AI grading or condition estimate. And reviewers note OCR slips, like pulling the wrong production year or misreading a position, that need a quick manual fix. Some also wish it showed a single total value for the whole collection.

Best for: sports-only collectors who want trustworthy eBay pricing and the deepest cataloging tools, and who do not need grading.

Cards AI

Cards AI is built around the gap between the other two. Like Cardstock, it bases value on the real recent eBay sold listings behind each card, so you can see the actual comps and verify a price rather than trusting a single estimate. Like Cardly, it offers AI condition grading, scoring centering, corners, edges, and surface and predicting a grade so you can decide whether a card is worth submitting to PSA, BGS, or CGC before you pay the fee. If you want to compare the dedicated tools for that step, our guide to the best card grading apps goes deeper. And unlike Cardstock, it covers both sports cards and the major TCGs including Pokemon, Magic, and Yu-Gi-Oh.

Where it shines: verifiable eBay sold-comp pricing plus working AI grading, across both sports and TCG, which is the combination neither of the other two offers in one app.

Where it struggles: it is newer than Cardstock and focuses on scanning, pricing, grading, and your binder rather than being a deep cataloging suite with the years of folder and checklist features Cardstock has built up.

Best for: collectors who want a price they can verify and a grading read, across both sports and TCG, in one app.

Head to Head

Pricing you can trust: Cardstock and Cards AI both use real eBay sold listings. Cardly's values are the documented weak point.
AI grading: Cards AI offers it and Cardly attempts it but grades inconsistently. Cardstock has none.
Card coverage: Cardly and Cards AI cover sports plus TCG. Cardstock is sports-only.
Cataloging depth: Cardstock leads with nestable folders, checklists, and export. Cards AI and Cardly are lighter here.
Paywall: all three gate full features; Cardly notably offers no free trial before you can see results.

Which One Should You Use?

You want the deepest cataloging and trust eBay pricing, sports only: Cardstock.
You want slick AI features and treat values as a rough guide: Cardly AI.
You want verifiable eBay pricing and AI grading across sports and TCG: Cards AI.

For most collectors making real buy, sell, or grade decisions, the deciding factor is whether you can trust the number. Cardstock earns that trust on pricing but skips grading and TCG. Cardly adds the AI features but gives up trust on the value. Cards AI is built to deliver both: a price you can verify and a grading read, in one app.

FAQ

Is Cardly AI accurate for card values? Collectors frequently report that Cardly's pricing is inconsistent, including well-known cards valued far below their real market price and the same card returning different values on repeat scans. For value decisions, an app that shows the actual recent eBay sold listings behind a price lets you verify the number yourself.

Does Cardstock scan Pokemon or other TCG cards? No. Cardstock is sports-only. For Pokemon, Magic, or Yu-Gi-Oh you would need a scanner that covers TCGs, such as Cards AI.

Which app has the best grading feature? Cardstock has no grading. Cardly offers an AI grade but reviewers report it is inconsistent. Cards AI provides an AI condition grade across centering, corners, edges, and surface to help you pre-screen a card before professional submission.

Which card scanner gives the most trustworthy prices? Both Cardstock and Cards AI base values on real eBay sold listings, which is the most reliable source since it reflects actual completed sales rather than asking prices or a single estimate.

Do these apps have free trials? It varies, and terms change, so check the App Store listing before subscribing. Cardly AI in particular has been noted for using a hard paywall with no free trial, meaning you subscribe before seeing your first result.

The Bottom Line

Cardstock is a great sports-only cataloging app with pricing you can trust but no grading. Cardly AI has the flashier AI features but a documented problem with the accuracy of its values and grades. Cards AI is built to close that gap, with verifiable eBay sold-comp pricing and AI grading across both sports and TCG, so the number you see is one you can actually act on.