249+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our citizen sky view list covers 249+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | No | No | Sep 2026 | |
| 2 |  | Free | 4.7★ (25K) | No | No | Oct 2026 | |
| 3 |  | Free | — | No | Yes | Sep 2026 | |
| 4 |  | Free | 2.0★ (21) | No | No | Aug 2026 | |
| 5 |  | Free | — | No | No | Aug 2026 | |
| 6 |  | Free | 3.1★ (11) | No | No | Sep 2026 | |
| 7 |  | Free | 5.0★ (3) | No | No | Sep 2026 | |
| 8 |  | Free | 4.7★ (3.9M) | Yes | Yes | Oct 2026 |
Participate in a NASA-sponsored citizen science project to study cloud formation. Coordinate with the project team for events, then use your phone to capture images of the sky at assigned locations and times. Your contributions help researchers learn more about atmospheric science.
Easily manage your Citizen watch ownership. Identify your timepiece using tag scan, watch scan, or manual entry. Access setting instructions, activate your warranty, and store proof of purchase all within the app.
