246+ iOS apps curated and reviewed
Out of 246+ registered dietitian test apps on iOS, 15 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 | — | No | Yes | Jul 2026 | |
| 3 |  | Free | 4.7★ (35) | No | Yes | Sep 2026 | |
| 4 |  | Free | 2.4★ (5) | — | No | Jun 2026 | |
| 5 |  | Free | 4.5★ (61) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | 5.0★ (2) | No | Yes | Aug 2026 | |
| 7 |  | Free | — | No | Yes | Aug 2026 | |
| 8 |  | Free | — | No | Yes | Aug 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 CDR Registered Dietitian (RD) Exam with comprehensive study materials, realistic practice tests, and customizable flashcards. Track your progress, develop exam strategies, and create targeted study plans to boost confidence and achieve success.
