| Slabline | Collectr | |
|---|---|---|
| Values from recorded sales, by grade | Every grade, from 6.25M recorded sales (eBay, marketplaces, auction houses incl. Heritage and Goldin) | “Compare Grades” view (price sources not confirmed) |
| Population / gem rate | PSA, BGS, SGC & CGC (GemRate) | Gem rate + historical population reports |
| 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 $7.99/mo, or $59.99/yr ($4.99/mo) |
| Cards covered | 1.57M cards: sports, Pokémon, Magic, Yu-Gi-Oh, One Piece, Lorcana, Riftbound and more | 20+ TCGs (Pokémon, Magic, Yu-Gi-Oh, One Piece, Lorcana, Dragon Ball, Flesh and Blood), Funko |
| 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 Collectr does well
- 4.9 stars from about 69K App Store ratings
- 20+ TCGs plus sealed product; 200K+ products
- “Compare Grades” view, gem rate and historical population reports
- A free Trade Analyzer that totals both sides of a trade
- Social showcases, creators and DMs
Where Slabline differs
- Slabline covers every major sport alongside TCG: 1.57M cards (Collectr’s web app lists Basketball; its PRO page calls sports cards “coming soon”)
- AI Pre-Grade: 10 free a month
- Values every grade from 6.25M recorded sales including auction houses
- Insurance-ready appraisal schedule; listed ChatGPT app
Which should you choose?
- Choose Collectr if…
- You collect mainly TCG and sealed product and want a polished portfolio tracker.
- Choose Slabline if…
- You collect sports and TCG graded cards, want grading decisions, and need insurance documentation.
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.
