Access and complete research studies directly from your phone. Organizations create studies on the web platform, and this app displays them for participants to view tasks, answer questions, and submit responses on mobile.






209+ iOS apps curated and reviewed
Out of 209+ north research study apps on iOS, 19 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 | Free | — | No | No | May 2026 | ||
| 2 | Free | 3.7★ (3) | No | No | Aug 2026 | ||
| 3 | Free | 1.8★ (11) | No | No | May 2026 | ||
| 4 | Free | — | No | No | Aug 2026 | ||
| 5 | Free | 4.8★ (15K) | Yes | No | Sep 2026 | ||
| 6 | $17.99 was $34.99 | 5.0★ (1) | No | No | May 2026 | ||
| 7 | Free | 5.0★ (4) | No | No | May 2026 | ||
| 8 | Free | — | No | No | Aug 2026 |









Access and complete research studies directly from your phone. Organizations create studies on the web platform, and this app displays them for participants to view tasks, answer questions, and submit responses on mobile.





Discover clinical research studies you may qualify for. Filter by location and personal health details like age and existing conditions. Find opportunities to participate in medical research.