249+ iOS apps curated and reviewed
H20Score is the household name in water quality app, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (1.3K) | No | Yes | Oct 2026 | |
| 2 |  | $4.99 | 5.0★ (2) | No | No | Jun 2026 | |
| 3 |  | Free | — | No | No | Oct 2026 | |
| 4 |  | Free | 5.0★ (7) | Yes | No | Oct 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | 5.0★ (3) | No | No | May 2026 | |
| 7 |  | Free | — | No | Yes | Aug 2026 | |
| 8 |  | Free | — | No | No | Oct 2026 |
Discover what's in your bottled or tap water with detailed reports and easy-to-understand ratings. Scan barcodes or search by location to compare brands, identify contaminants, and make informed choices for your health.
This educational app allows users of all ages to record stream study data and learn about water quality indicators. It functions offline and includes a field guide for identifying aquatic macroinvertebrates to assess pollution tolerance. Data can be exported for scientific research or educational purposes.
