250+ iOS apps curated and reviewed
The best grading tool apps on iPhone average 4.6★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (49K) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.7★ (2.6K) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 4.8★ (25K) | No | Yes | Oct 2026 | |
| 4 |  | Free | 4.6★ (3K) | Yes | Yes | Oct 2026 | |
| 5 |  | Free | 4.9★ (11K) | Yes | Yes | Oct 2026 | |
| 6 |  | Free | 4.2★ (13) | No | Yes | Oct 2026 | |
| 7 |  | Free | 5.0★ (4) | Yes | No | May 2026 | |
| 8 |  | Free | 4.8★ (50) | Yes | Yes | Oct 2026 |
This app replaces traditional paper grading calculators with a flexible and convenient digital tool. It offers customizable settings for numerous questions and displays grades in various formats, enhancing classroom efficiency.
This app helps collectors and traders measure card centering ratios for grading. It uses AI to detect centering or allows manual adjustments for precise measurements, displaying potential grades from major companies.
Effortlessly scan, identify, and organize your trading card collection. Get real-time market prices, AI-powered grading insights, and manage your entire collection digitally across multiple TCGs. Keep your collection safe and accessible anywhere.
