Yes, Open Flow Pro is completely free and it doesn't have any in-app purchases or subscriptions.
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Open Flow Pro is free.
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1 out of 5
1 ratings in United States
The calculation for orifice discharge is not correct. The app uses the height from the invert of the orifice rather than the center point. This makes the discharge calculation incorrect. I emailed AppsAndCode about this issue weeks ago, but they have not corrected the problem.
it supports inches for pipes and the last update was pretty good.
Don't waste your money.I'll change my rating when you fix this app
Need to add a pull down menu to select Manning's n from the table, need to be able to select the units for input (inches and mm), need to be able to solve for any of the given variables. Will be very handy once these issues are addressed. No crashing problems on my 3GS.
Should be able to solve for any variable. Should have inches as units, esp for orifice. Please update and I'll change rating.
I just bought this app for my iPad and it closes as soon as it opens. What a rip off!!
Nice first effort, but would be more useful for design purposes if you could solve for any of the channel variables. Also, add the ability to create irregular cross sections and the ability to scroll up (or down) the variable input screens when the keyboard is up so that you can access hidden variable fields.
