This hydraulic engineering calculator simplifies complex open channel flow calculations for professionals and students. It provides accurate results for basic parameters, flow characteristics, critical flow analysis, and rating curves.






127+ iOS apps curated and reviewed
If you already know Open Channel Flow Pro, this is the deeper bench. 127+ open channel flow pro apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $2.99 | 2.0★ (2) | No | No | May 2026 | ||
| 2 | Free | — | No | No | May 2026 | ||
| 3 | Free | 4.6★ (4K) | No | No | Sep 2026 | ||
| 4 | Free | 4.4★ (1.4K) | No | Yes | Sep 2026 | ||
| 5 | Free | 4.1★ (63) | No | Yes | May 2026 | ||
| 6 | Free | 4.8★ (5K) | No | Yes | Sep 2026 | ||
| 7 | Free | 4.7★ (11K) | Yes | Yes | Sep 2026 | ||
| 8 | Free | 4.9★ (1.4M) | No | Yes | Sep 2026 |






This hydraulic engineering calculator simplifies complex open channel flow calculations for professionals and students. It provides accurate results for basic parameters, flow characteristics, critical flow analysis, and rating curves.










Manage your Flow services conveniently from your mobile device. Monitor usage, troubleshoot issues like internet connectivity, and access customer support. The app also features a shop for personalized offers and provides real-time notifications.