Card Grader App vs UnSlabbed
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Card Grader App
This app assists collectors in evaluating and documenting the condition of trading cards. It offers a guided process for capturing card images and uses AI for condition analysis, providing a clear grade breakdown and shareable images of graded cards.
- Guided card capture
- AI-assisted condition analysis
- Clean grade breakdown
- Slabbed card image generation
- Organized card history
- Easy sharing
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Card Grader App helps collectors quickly evaluate and document the condition of their trading cards with a simple, guided workflow. It is designed to make grading easier to understand, faster to complete, and more consistent from card to card. - Guided card capture with clear prompts for front and back photos - AI-assisted condition analysis across key grading categories - Clean grade breakdown so you can see how the final result is formed - Slabbed card image generation for a polished presentation of your grade - Easy sharing of your slabbed card image with friends, buyers, and communities - Organized card history to review and compare previous grading results Whether you are checking a new pull, reviewing your collection, or preparing cards for sale, Card Grader App gives you a dependable way to grade with confidence and keep everything in one place. Disclaimer: This app provides centering estimates for educational purposes only. It is not affiliated with PSA, BGS, SGC, CGC, TAG, or ACE. Actual grades may differ. Privacy Policy: https://sites.google.com/view/allegrodigital/privacy-policy Terms of Use: https://sites.google.com/view/allegrodigital/terms-of-use
UnSlabbed
Estimate the grading of your trading cards from photos before sending them for professional certification. Analyze centering, corners, edges, and surface, and check recent sales data for predicted grades. Save your grading history and share results.
- Photo-based card grading
- Centering, corners, edges, surface analysis
- Estimates grades for major services
- Looks up sold comps for predicted grades
- Credit system for grading
- Grade remapping across companies
- Grading history
- Shareable grade images
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UnSlabbed estimates a grade against the published standards of PSA, Beckett, CGC, SGC, TAG, and ACE from photos of a raw trading card, before you pay to slab it. Shoot the front and back. UnSlabbed measures centering, grades corners, edges, and surface, and looks up recent sold comps for that predicted grade. One credit = one AI grade. After a grade, switch companies to remap the result without spending another credit. History saves every card. Share a neon grade image if you want. Not affiliated with PSA, Beckett, CGC, SGC, TAG, or ACE. Results are unofficial estimates, not a certification. Quick Grade: free, unlimited on-device grading with a score range and defect marks. Upgrade to AI Full Grade for detailed subgrades and prices.
Screenshots
Verdict
The clearest difference is rating: UnSlabbed at 5.0 against Card Grader App's 3.7. UnSlabbed also leads on update cadence (every 5 days vs monthly). Card Grader App's advantage is ads (none vs shown) and ratings volume (3 vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Card Grader App sells 2 in-app purchases, starting at $4.99 per 7 days and UnSlabbed sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
UnSlabbed holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Card Grader App ships an update monthly, UnSlabbed every 5 days. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.
| Parameter | Card Grader App | UnSlabbed |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 3 — better | 1 |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 20 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Allegro Digital | Philip Disanto |
Customer experience
Card Grader App
UnSlabbed
In-app purchases
Card Grader App
- Weekly Subscription$4.997 Days
- Yearly Subscription3 Days trial$29.991 Year
UnSlabbed
- 20 Grades$4.99
- Unlimited Centering$4.99
- 50 Grades$9.99
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- 120 Grades$19.99









