Turn your smartphone into a cosmic ray detector and contribute to real-time space research. Capture invisible high-energy particles from deep space using your device's camera sensor and see detections from around the world.



247+ iOS apps curated and reviewed
The best cosmic ray detector apps on iPhone average 4.2★ across 247+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.8★ (4) | No | No | Oct 2026 | ||
| 2 | Free | 1.4★ (5) | No | No | May 2026 | ||
| 3 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 4 | Free | 4.5★ (5K) | Yes | Yes | Oct 2026 | ||
| 5 | Free | — | No | Yes | Aug 2026 | ||
| 6 | $1.99 | 5.0★ (1) | No | No | Oct 2026 | ||
| 7 | Free | — | Yes | Yes | Oct 2026 | ||
| 8 | Free | 4.2★ (100) | No | No | Oct 2026 |



Turn your smartphone into a cosmic ray detector and contribute to real-time space research. Capture invisible high-energy particles from deep space using your device's camera sensor and see detections from around the world.



This app enables citizen scientists to contribute to a global cosmic-ray detection network. By using your device's camera, you can help researchers study rare cosmic-ray phenomena, advancing our understanding of cosmology and astrophysics.




Visualize real-time cosmic ray data from a connected device on your smartphone. Save and replay collected data for later analysis. Explore the universe's energetic particles from anywhere.