246+ iOS apps curated and reviewed
If you already know CDR RD, this is the deeper bench. 246+ registered dietitian exam apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (61) | Yes | Yes | Sep 2026 | |
| 2 |  | $19.99 | — | No | No | May 2026 | |
| 3 |  | Free | 4.6★ (35) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.7★ (35) | No | Yes | Oct 2026 | |
| 5 |  | Free | — | Yes | No | Jul 2026 | |
| 6 |  | Free | — | No | Yes | Jun 2026 | |
| 7 |  | Free | — | No | Yes | Jul 2026 | |
| 8 |  | $4.99 | — | No | No | May 2026 |
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.
Prepare for your RD and RDN certification exams on the go with a comprehensive mobile study tool. Access a large question bank, create custom exams, and track your progress. Offers free and premium study plans with a pass guarantee for premium users.
