# Open Channel Flow Pro — Open Channel Hydraulics

> Hydraulic engineering calculator for open channel flow analysis. (iPhone/iPad app by Alexius Academia.)

- Source: https://appshunter.io/ios/app/open-channel-flow-pro/id1576457515 (this page in markdown: same URL + `.md`)
- Developer: [Alexius Academia](https://appshunter.io/developer/1209840214)
- Category: Productivity, Education
- Price: $2.99
- Rating: 2.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 14.0 · 2 MB
- Languages: English
- Released: 2021-07-28
- Data updated: 2026-06-03
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/open-channel-flow-pro/id1576457515/reviews.md

## What is Open Channel Flow Pro?

Transform complex hydraulic calculations into simple, accurate, and professional results with Open Channel Flow Pro - the comprehensive hydraulic engineering calculator designed for civil engineers, students, and professionals working with open channel hydraulics.

Key Calculations:
- Basic Hydraulic Parameters - Wetted perimeter, area, hydraulic radius
- Flow Characteristics - Velocity, Froude number, hydraulic depth
- Critical Flow Analysis - Critical depth, velocity, and slope
- Rating Curves - Discharge vs. water depth relationships

## Key features

- Basic Hydraulic Parameters
- Flow Characteristics
- Critical Flow Analysis
- Rating Curves
- Wetted Perimeter, Area, Hydraulic Radius
- Velocity, Froude Number, Hydraulic Depth


## Frequently asked questions about Open Channel Flow Pro

### What calculations does Open Channel Flow Pro perform?

Open Channel Flow Pro calculates basic hydraulic parameters like wetted perimeter and area, flow characteristics such as velocity and Froude number, critical flow analysis including critical depth, and rating curves for discharge vs. water depth.

### Is Open Channel Flow Pro available on Android devices?

Based on the provided data, Open Channel Flow Pro is supported on iPhone, iPad, and iPod devices. Information regarding Android compatibility is not available.

### How often is Open Channel Flow Pro updated?

The app was last updated on September 19, 2025, indicating a recent update. The release date was July 28, 2021, with version 1.7.1 being the latest.

### What is the price of Open Channel Flow Pro?

Open Channel Flow Pro is a paid application priced at $2.99. There are no mentions of in-app purchases or subscription models.

### What is the age rating for Open Channel Flow Pro?

Open Channel Flow Pro has an age rating of 4+, making it suitable for a wide range of users. This rating suggests it contains no mature or inappropriate content.

### Does Open Channel Flow Pro have ads?

No, Open Channel Flow Pro does not contain advertisements. The app is listed as having no ads, ensuring an uninterrupted user experience.

### What is the user feedback on Open Channel Flow Pro?

Open Channel Flow Pro has a rating of 2.0 stars from 2 ratings. This indicates a mixed to negative user sentiment based on the limited feedback available.

### Can Open Channel Flow Pro be used offline?

The provided description does not specify whether Open Channel Flow Pro requires an internet connection to function. However, calculation-based productivity apps often work offline.

## Version history (last 5 releases)

### 1.7.1 — 2025-09-19

- Full implementation of natural/irregular channel
- Updated icon assets to more suit the app purpose
- Added documentation and user manuals
- Improved user interface for input and output

### 1.5.3 — 2025-08-01

- Natural Channel Calculator - Advanced analysis for irregular cross-sections
- Modern Card-Based Interface - Beautiful, intuitive channel selection
- Professional PDF Export - Complete calculation reports for documentation
- Enhanced Data Visualization - Modern charts with grid lines and data points
- Real-Time Input Validation - Instant feedback and error handling
- Custom Vector Drawings - Technical cross-section illustrations

### 1.2.3 — 2024-03-03

- Display bug fix on rectangular channel
- Display bug fix on trapezoidal channel
- Display bug fix on circular channel

### 1.2.0 — 2023-10-06

- Full support for iPad devices
- Improve user interface color scheme

### 1.1.4 — 2023-10-04

- Update version number
- Update privacy
- Bug fixes

## Apps similar to Open Channel Flow Pro

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Compare Flow](https://appshunter.io/ios/app/compare-flow/id581217854) | 4.6 (5) | Free | Productivity |
| [ASHRAE Psychrometric Chart](https://appshunter.io/ios/app/ashrae-psychrometric-chart/id584295008) | — | $19.99 | Productivity |
| [Continuous Beam](https://appshunter.io/ios/app/continuous-beam/id1278637736) | — | $9.99 | Productivity |
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| [SinkTank](https://appshunter.io/ios/app/sinktank/id1319456528) | — | $1.99 | Productivity |

## More apps by Alexius Academia

- [Open Channel Flow Lite](https://appshunter.io/ios/app/open-channel-flow-lite/id1579229822)
- [Beaver Dam](https://appshunter.io/ios/app/beaver-dam/id6469452381)
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- [Gluco Track 2025](https://appshunter.io/ios/app/gluco-track-2025/id6749470463)
- [Syncster FieldCam](https://appshunter.io/ios/app/syncster-fieldcam/id6749954254)

All apps by Alexius Academia: https://appshunter.io/developer/1209840214

## Related topics

[open channel flow pro](https://appshunter.io/ios/topics/open-channel-flow-pro) · [open flow pro](https://appshunter.io/ios/topics/open-flow-pro)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*