Engage in brain games and cognitive challenges to contribute to scientific research on dementia and mental health. Your participation helps researchers understand risk factors and develop new interventions.






250+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our tcd research list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.4★ (11) | No | No | May 2026 | ||
| 2 | Free | — | No | No | May 2026 | ||
| 3 | Free | — | No | No | May 2026 | ||
| 4 | Free | — | No | No | May 2026 | ||
| 5 | Free | — | Yes | No | Aug 2026 | ||
| 6 | Free | — | Yes | No | May 2026 | ||
| 7 | Free | — | No | No | May 2026 | ||
| 8 | Free | 5.0★ (1) | No | No | Jun 2026 |






Engage in brain games and cognitive challenges to contribute to scientific research on dementia and mental health. Your participation helps researchers understand risk factors and develop new interventions.









