Comparison
ZeroPop vs CollX
Free collection cataloging with a large scan-and-value database.
The verdict
CollX is the better pick if you mainly want a free way to catalog and value a big collection. It is a collection manager first, with AI features added on. ZeroPop is the better pick when the question is whether to grade or sell a specific card: it predicts PSA, BGS, and CGC grades, breaks down every sub-grade, and runs the submission ROI math that CollX does not.
| ZeroPop | CollX | |
|---|---|---|
| Slab-or-sell ROI calculator | Yes, on every scan | No |
| PSA / BGS / CGC estimate | PSA, BGS & CGC | No |
| Sub-grades + centering | Yes, plus centering | No |
| Cards supported | Pokemon, MTG, Yu-Gi-Oh!, sports | Sports + TCG |
| Free tier | Yes | Yes, generous |
| Platform | iOS & Android | iOS & Android |
Where CollX wins
- Generous free tier for logging large collections
- Big card-identification database
- Built-in marketplace and trading
- Simple, mainstream interface
Where ZeroPop wins
- Slab-or-sell ROI calculator on every scan
- PSA, BGS, and CGC grade estimates side by side
- Corners, edges, surface, and centering sub-grades with L/R and T/B ratios
- 4-angle AR scan that catches angled-light surface defects
ZeroPop vs CollX: FAQ
Is ZeroPop or CollX better for deciding what to grade?+
ZeroPop. It predicts the grade across PSA, BGS, and CGC and calculates expected profit plus the break-even tier, so you know whether a card clears the submission cost. CollX is built for cataloging and trading, not submission decisions.
Is CollX free?+
Yes, CollX has a generous free tier for logging a collection, with paid tiers for deeper market data. ZeroPop is also free to start with 2 scans per month, and paid tiers add more scans and tools.
Can I use both CollX and ZeroPop?+
Many collectors do. Use CollX to catalog and value the whole collection, and ZeroPop to pre-grade the specific cards you are considering submitting.
Grade, predict, and decide in one scan.
ZeroPop predicts PSA, BGS, and CGC grades with full sub-grades and runs the slab-or-sell ROI math on every card. Free to start.
More comparisons
See the full best card grading apps roundup, the compare hub, or run the ROI calculator.