# ISA Cert Validator vs Card Grader Pro

The clearest difference is in-app purchases: ISA Cert Validator at none against Card Grader Pro's 9. ISA Cert Validator also leads on rating (5.0 vs 4.7). Card Grader Pro's advantage is update cadence (every 4 days vs every 43 months) and ratings volume (4.5K vs 7). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Card Grader Pro sells 9 in-app purchases, starting at $4.99 per month. ISA Cert Validator asks for nothing beyond the download.

ISA Cert Validator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Card Grader Pro has 4.5K ratings behind it against 7, so its average is the more settled of the two.

ISA Cert Validator ships an update every 43 months, Card Grader Pro every 4 days. The most recent releases landed on July 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ISA Cert Validator | Card Grader Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/isa-cert-validator/id1663513607/reviews)** | [4.7 (4.5K ratings)](https://appshunter.io/ios/app/card-grader-pro/id6743489803/reviews) |
| Number of ratings | 7 | **4.5K** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 101 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Darryl Polo](https://appshunter.io/developer/1663513609) | [Daniel Yaakob](https://appshunter.io/developer/1538646536) |

## What reviewers say

### ISA Cert Validator

[App page](https://appshunter.io/ios/app/isa-cert-validator/id1663513607)

Instantly verify the authenticity of graded sports and trading cards. Scan a QR code or enter a serial number to access details like year, set, grade, and population.

**Highlights:** Verify card authenticity, Scan QR codes on labels, Search by serial number, View card details (year, set, grade), Check population totals

**In-app purchases:** none


### Card Grader Pro

[App page](https://appshunter.io/ios/app/card-grader-pro/id6743489803)

Instantly assess the condition of your trading cards with AI-powered analysis of centering, edges, corners, and surface. For a more in-depth evaluation, choose expert human grading for detailed notes, rarity assessment, and submission guidance. Explore a community showcase of graded cards and view their market prices.

**Highlights:** AI-powered instant grading, Expert human grading, Condition notes and rarity assessment, View card prices, Community showcase

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro+ Monthly | $9.99 | per month |
| Pro Yearly | $49.99 | per year |
| Pro+ Yearly | $99.99 | per year |
| Human Grade | $1.49 | one-time |
| Fast Human Grade | $1.99 | one-time |
| Human Grade | $2.99 | one-time |
| Fast Human Grade | $3.49 | one-time |
| Fast Human Grade | $4.99 | one-time |

**What reviewers like**

- 👍 Good app for checking card grades
- 🚀 Fast and accurate ratings
- 💡 Useful for pre-grading cards before submission

**What reviewers complain about**

- 🐛 Inaccurate grading in free version
- 🐛 Doesn't work consistently

**Reported bugs**

- Grading information is the same for all cards
- Doesn't work half the time

**Requested features**

- Leveler when taking pictures
- More advanced grading capabilities


## Frequently asked questions

### Is ISA Cert Validator free?

ISA Cert Validator is free to download, with no in-app purchases.

### Is Card Grader Pro free?

Card Grader Pro is free to download, with in-app purchases available.

### Which has better reviews, ISA Cert Validator or Card Grader Pro?

ISA Cert Validator is rated higher. ISA Cert Validator averages 5.0 out of 5 from 7 ratings, while Card Grader Pro averages 4.7 from 4.5K ratings.

### Do ISA Cert Validator or Card Grader Pro have ads?

Neither ISA Cert Validator nor Card Grader Pro shows ads.

### Which is updated more often, ISA Cert Validator or Card Grader Pro?

ISA Cert Validator ships an update every 43 months, and Card Grader Pro every 4 days. Most recently, ISA Cert Validator was updated on July 18, 2026 and Card Grader Pro on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*