Calculate liquid flow rate, pipe diameter, or velocity with ease. Customize units for diameter, velocity, and flow rate, and set your preferred decimal places for precise results.



224+ iOS apps & games curated and reviewed
Finding the right flow rate help apps and games can be overwhelming with so many options. We've analyzed 224+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $0.99 | 4.3★ (44) | No | No | Oct 2026 | ||
| 2 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 3 | Free | 4.9★ (8) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.1★ (63) | No | Yes | Oct 2026 | ||
| 5 | Free | — | No | Yes | May 2026 | ||
| 6 | $2.99 | 3.0★ (1) | No | No | May 2026 | ||
| 7 | Free | 4.8★ (91K) | No | No | Oct 2026 | ||
| 8 | Free | 4.5★ (2) | Yes | No | May 2026 |



Calculate liquid flow rate, pipe diameter, or velocity with ease. Customize units for diameter, velocity, and flow rate, and set your preferred decimal places for precise results.



Easily convert water flow rates between various units of measurement. This utility app provides a straightforward way to calculate and understand different flow rate values.






Calculate fluid flow rate in pipes, including friction and fitting losses, using accurate engineering equations. Features extensive databases for liquids, pipes, and fittings, with customizable units and reporting options.