243+ iOS apps curated and reviewed
Out of 243+ registered dietitian test apps on iOS, 14 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $7.99 | — | No | No | May 2026 | |
| 2 |  | Free | 4.5★ (64) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | — | No | Yes | Oct 2026 | |
| 4 |  | Free | 5.0★ (2) | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.7★ (35) | No | Yes | Oct 2026 | |
| 6 |  | Free | — | No | Yes | Aug 2026 | |
| 7 |  | Free | — | — | No | Jul 2026 | |
| 8 |  | $79.99 | 4.6★ (30) | No | No | Jul 2026 |
Prepare for your Registered Dietitian (RD) and RDN exams with hundreds of practice questions across all subjects. This offline tool offers four study modes, detailed explanations, and regular question updates to help you pass on your first attempt.
Prepare for the Dietetic Registration (RD) Exam with expertly designed practice questions and detailed explanations. Track your progress, identify areas for improvement, and build confidence for test day. This comprehensive study tool covers all exam domains to help you pass with flying colors.
