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.
This powerful calculator simplifies open channel hydraulic engineering by providing accurate and professional results for essential parameters, flow characteristics, critical flow analysis, and rating curves. Get your essential hydraulic calculations done with ease and confidence.
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What We Love
π Easy payment process
π Quick and seamless transactions
π Convenient and user-friendly app
π Allows paying bills remotely
Room to Improve
π Occasional app crashes or freezes
π Inconsistent performance and connectivity issues