Compare
ZeroPop vs other card grading apps
Short answer: most card apps either catalog a collection (CollX), identify cards fast (Ludex), or predict a single grade. ZeroPop is the only one that predicts PSA, BGS, and CGC side by side, breaks down every sub-grade, and runs a slab-or-sell ROI calculator so the scan ends in a decision. Pick the head-to-head below for the full breakdown.
| App | ROI calculator | PSA / BGS / CGC | Sub-grades | Cards |
|---|---|---|---|---|
| ZeroPop | Yes, on every scan | PSA, BGS & CGC | Yes, plus centering | Pokemon, MTG, Yu-Gi-Oh!, sports |
| CollX | No | No | No | Sports + TCG |
| Ludex | No | No | No | Sports-led |
| Cardly AI | No | No | Partial | Sports + major TCGs |
| CardGrader.ai | No | PSA only | Yes | Sports + TCG |
| SnapGradeAI | No | No | Partial | TCG-led (Pokemon) |
| TAG Grading | No | Own 1000-pt scale | Yes, own report | Sports + TCG |
Capabilities reflect each app's public positioning as of 2026. Tap a rival for the full comparison.
ZeroPop vs CollX
Free collection cataloging with a large scan-and-value database.
See the comparison →ZeroPop vs Ludex
Fast AI scanning built for modern sports cards.
See the comparison →ZeroPop vs Cardly AI
Sports-focused scanner with identify, grade, and market data.
See the comparison →ZeroPop vs CardGrader.ai
Accuracy-focused AI scanner with a transparent sub-grade breakdown.
See the comparison →ZeroPop vs SnapGradeAI
Pokemon-focused pre-PSA screening that publishes accuracy data.
See the comparison →ZeroPop vs TAG Grading
An AI-powered grading company with a computer-vision 1000-point scale.
See the comparison →Try the one app that ends in a decision.
Scan any card, get PSA, BGS, and CGC estimates with full sub-grades, and let the slab-or-sell ROI calculator tell you whether to submit. Free to start.
See also our full writeup of the best card grading apps in 2026 and the slab-or-sell ROI calculator.