250+ iOS apps curated and reviewed
Looking for free research study apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (4) | No | No | May 2026 | |
| 2 |  | Free | 4.2★ (1.5K) | No | No | Oct 2026 | |
| 3 |  | Free | — | No | Yes | Sep 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | No | No | Sep 2026 | |
| 7 |  | Free | 4.0★ (1.1K) | No | No | Sep 2026 | |
| 8 |  | Free | 4.8★ (15K) | Yes | No | Oct 2026 |
This research application collects data on lifestyle, health, and cognitive function to study Alzheimer's disease and related conditions. It uses surveys and cognitive assessments to understand factors affecting cognitive decline. The goal is to help develop future screening tools for these diseases.
Contribute to groundbreaking health research by participating in studies using your Apple Watch and iPhone. Gain insights into your health and help advance medical science and Apple's health technologies. Choose which data to share and manage your contributions.
