250+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our water quality 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 | 4.6★ (1.3K) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.8★ (13K) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | — | No | Yes | Aug 2026 | |
| 6 |  | Free was $4.99 | 5.0★ (7) | Yes | No | Aug 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Jul 2026 |
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