Participate in scientific research studies directly from your phone. Complete surveys, track study progress, and connect wearable devices to contribute valuable data. Receive helpful notifications and access your study history with secure sign-in.




250+ iOS apps curated and reviewed
With an average user rating of 3.4★, the dfci study category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Oct 2026 | ||
| 2 | Free | — | No | Yes | Oct 2026 | ||
| 3 | Free | 5.0★ (1) | No | No | Oct 2026 | ||
| 4 | Free | 2.0★ (1) | No | No | Jun 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | 5.0★ (4) | No | No | May 2026 | ||
| 7 | Free | — | No | No | May 2026 | ||
| 8 | Free | — | No | No | Aug 2026 |















Participate in scientific research studies directly from your phone. Complete surveys, track study progress, and connect wearable devices to contribute valuable data. Receive helpful notifications and access your study history with secure sign-in.