| Slabline | CollX | |
|---|---|---|
| Values from recorded sales, by grade | Every grade, from 6.25M recorded sales (eBay, marketplaces, auction houses incl. Heritage and Goldin) | Historical auction prices (marketplaces not named) |
| 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; Pro $9.99/mo; Gold $24.99/mo |
| Cards covered | 1.57M cards: sports, Pokémon, Magic, Yu-Gi-Oh, One Piece, Lorcana, Riftbound and more | Sports, TCG (Pokémon, Magic, Yu-Gi-Oh, One Piece, Lorcana), non-sport; 20M+ cards |
| Platforms | iOS, Android, web, ChatGPT | iOS, iPad, Android |
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 CollX does well
- 20M+ cards across sports, TCG and non-sport
- Large, highly rated app: 4.6 stars from about 50K App Store ratings
- CSV export (Pro) and sales-history export (Gold)
Where Slabline differs
- Slabline values every grade from recorded sales, with the venues named (eBay, marketplaces, Heritage, Goldin and more)
- AI Pre-Grade: 10 free a month
- Population and gem rate across four graders
- Insurance-ready appraisal schedule; listed ChatGPT app
Which should you choose?
- Choose CollX if…
- You want to scan and catalogue a large mixed collection, including non-sport.
- Choose Slabline if…
- You care about graded values at every grade, whether a card is worth grading, and insuring what you own.
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.
