--- title: "Weir Open Channel Flow Calc - Reviews, Revenue and Downloads in Colombia | Apple App Store" description: "Need to measure open-channel flow at a weir and get results in CFS, GPM, or MGD without hauling out reference tables? Select V-Notch, Rectangular (Francis), or Cipolletti weir type, enter the head mea" --- # Weir Open Channel Flow Calc — Colombia ![Weir Open Channel Flow Calc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/79/f5/f7/79f5f79e-a1a6-5aad-27c3-f623161dc357/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png) **Developer:** [Shanghai Sheyuan Network Technology Co](https://apptail.io/developer/shanghai-sheyuan-network-technology-co-mkXe) **Category:** Utilities **Rating:** N/A (0 ratings) **Price:** $24,900.00 **Bundle ID:** com.sy.flowweircalc **Store:** Apple App Store **Country:** Colombia **Version:** 1.0.2 (released 2026-07-01) **Original Release:** 2026-04-08 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/co/app/app/id6761743066) **AppTail Page:** [https://apptail.io/app/weir-open-channel-flow-calc-oOMz/colombia](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/colombia) ## Weir Open Channel Flow Calc Description Need to measure open-channel flow at a weir and get results in CFS, GPM, or MGD without hauling out reference tables? Select V-Notch, Rectangular (Francis), or Cipolletti weir type, enter the head measurement, and get instant flow calculations in five unit systems. Supports V-Notch (adjustable notch angle: 22.5, 30, 45, 60, 90, 120 degrees), Rectangular with end contractions (Francis formula), and Cipolletti trapezoidal weirs. FLOW OUTPUT UNITS: - CFS (cubic feet per second) - GPM (gallons per minute) - MGD (million gallons per day) - m3/s (cubic meters per second) - L/s (liters per second) KEY FEATURES: - Three weir types in one app - Adjustable notch angle for V-Notch weirs - End contraction settings for rectangular weirs - Instant results as you type - Works completely offline - No account or login required Essential for hydrology field work, stormwater monitoring, irrigation measurement, and water resources engineering. ## Weir Open Channel Flow Calc Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/9d/99/5a/9d995a04-22c9-140d-2531-4fff7d6f1e56/screenshot_iphone_1.jpg/1284x2778.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/3a/60/46/3a6046f1-06f9-fcdd-4630-308c3081c871/screenshot_iphone_2.jpg/1284x2778.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/40/de/2b/40de2bb2-36ed-e378-de8c-6fd9f9a0ce2f/screenshot_iphone_3.jpg/1284x2778.png) ## Weir Open Channel Flow Calc Available In - [United Arab Emirates](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/united-arab-emirates) - [Belarus](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/belarus) - [Switzerland](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/switzerland) - [Colombia](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/colombia) - [Denmark](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/denmark) - [Dominican Republic](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/dominican-republic) - [Egypt](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/egypt) - [United Kingdom](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/united-kingdom) - [Ireland](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/ireland) - [India](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/india) - [Iceland](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/iceland) - [Japan](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/japan) - [South Korea](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/south-korea) - [Nigeria](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/nigeria) - [New Zealand](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/new-zealand) - [Peru](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/peru) - [Philippines](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/philippines) - [Pakistan](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/pakistan) - [Romania](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/romania) - [Saudi Arabia](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/saudi-arabia) - [Thailand](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/thailand) - [Ukraine](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/ukraine) - [United States](https://apptail.io/app/weir-open-channel-flow-calc-oOMz/united-states) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*