| Slabline | Card Ladder | |
|---|---|---|
| Values from recorded sales, by grade | Every grade, from 6.25M recorded sales (eBay, marketplaces, auction houses incl. Heritage and Goldin) | All-time sales history from every marketplace (Pro) |
| Population / gem rate | PSA, BGS, SGC & CGC (GemRate) | — |
| AI Pre-Grade (free allowance) | 10 free a month with a free account (2 as a guest) | — |
| Insurance / appraisal schedule | Insurance-ready appraisal schedule | — |
| Cert lookup | PSA, BGS, SGC & CGC | — |
| In ChatGPT | Listed ChatGPT app | — |
| Price | Free; Collector $9.99/mo; Insured $14.99/mo; Pre-Grade packs from $0.99 | Free tier; Pro $19.99/mo |
| Cards covered | 1.57M cards: sports, Pokémon, Magic, Yu-Gi-Oh, One Piece, Lorcana, Riftbound and more | Sports cards and Pokémon |
| Platforms | iOS, Android, web, ChatGPT | iOS, Android, web |
Facts as of November 4, 2026.
— = not found in the app’s public listing or website as of November 4, 2026. It may exist; we could not confirm it.
Names belong to their owners. Facts are from each app’s public App Store listing, website or press release as of November 4, 2026. Corrections welcome — email brian@hobbysmartcases.com.
What Card Ladder does well
- All-time sales history from every marketplace (Pro)
- Market indexes; 4.9 stars from about 12K App Store ratings
- Value estimates for millions of cards
Where Slabline differs
- AI Pre-Grade: 10 free a month, with the value at the predicted grade
- Population and gem rate across PSA, BGS, SGC and CGC
- Insurance-ready appraisal schedule
- Free tier values up to 25 cards; listed ChatGPT app
Which should you choose?
- Choose Card Ladder if…
- You trade actively and want the deepest sales history and market indexes.
- Choose Slabline if…
- You want to know what your cards are worth at every grade, whether to grade raw cards, and how to insure the collection.
See it on your own card
Pre-Grade a raw card free — 10 a month with a free account — or look up what a graded card sells for at every grade.
