Open Channel Flow Lite
Open Channel Hydraulics
Free · Designed for iPad. Not verified for macOS.
Now with every feature of Open Channel Flow Pro: six channel shapes, water surface profiles, energy and momentum, PDF reports and worksheets. Free, for small channels.
Open Channel Flow Lite is the free edition of Open Channel Flow Pro. It has every feature of the Pro version, for small channels.
CHANNEL SHAPES
• Rectangular
• Trapezoidal
• Circular
• Natural (irregular cross-section, with overbank roughness)
• Triangular
• Parabolic
SOLVE FOR
• Discharge, water depth, bed slope, and the channel width or pipe diameter, using Manning's equation
RESULTS
• Flow area, wetted perimeter, hydraulic radius, velocity, Froude number and flow regime
• Critical depth, specific energy, alternate and sequent depths
• Discharge rating curve and specific energy charts
MORE TOOLS
• Water surface profiles by the direct step method, from a control depth
• Efficient Section: size the best section for a design discharge
• Manning's n picker
• Metric and English units
• Worksheets to save and reopen your calculations
• PDF reports to share
• Built-in documentation and usage manual
• iPhone and iPad
LIMITS OF THE LITE VERSION
• Discharge up to 0.5 m³/s (17.65 ft³/s)
• Water depth in a circular channel up to 0.6 m (1.96 ft)
• Trapezoidal side slope of 1:1 only
Open Channel Flow Pro removes these limits.
No account and no ads. Your worksheets stay on your device.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Rebuilt on Open Channel Flow Pro 1.8. The Lite version now has every feature of the Pro version:
• Triangular and parabolic channels
• Water surface profiles (gradually varied flow)
• Energy and momentum: critical, alternate and sequent depths
• Efficient Section design aid
• Natural channels with overbank roughness
• Metric and English units, and a Manning's n picker
• iPad layout
• No limit on the number of worksheets
The Lite version is now limited by the size of the channel: discharge up to 0.5 m³/s, water depth in a circular channel up to 0.6 m, and a trapezoidal side slope of 1:1.
The developer, Alexius Academia, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Alexius Academia
- Size
- 2.2 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Syncsoft Solutions