Published by Hydro Works Interactive

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Why should I report an Issue with Hydraulic CALC pro?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Hydro Works Interactive to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
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About Hydraulic CALC pro

1. This application was developed mainly to provide a swift access to a variety of formulas, theories and coefficients related to hydraulics for civil engineers, especially working in the field of water supply and sewage system.

2. There is no functional difference with the free version except the additional service to share the calculation results.

3. Every single formula in the program was employed with meticulous care, but as errors might exist, subsequent examinations are recommended.

4. This is a PRO version of Hydraulic CALC, which is a free application.

5. It is recommended to try the free version before you buy the PRO version.

6. The accuracy of the program will be continually updated as well as the types of formulas provided.

7. Please send me any opinions, bug reports or suggestions about this application.

Hydraulic CALC pro Customer Insights

1. EDIT: Bug described above has been fixed and now app is completely amazing! :)Very helpful app, much appreciated!Good appGreat appAmazing hydraulic app, I am a Hydraulic engineer and I use it every day.

2. I've sent a bug report about a year ago and next one about a month ago, but this still hasn't been fixed as of 02.24.2020. When fixed I will update my review and give it 5 stars.

3. ThanksWell done, didn't understand barrel in channel flowAmazing hydraulic app and calculator.

4. It should multiply A (ft²) with V (ft/s) so the result would be Q (ft³/s), instead what it does is to divide A by V.

5. Great app but I've found a mistake in "Continuity equation: discharge".

6. Makes me gain a lot of time on my work.

Steps to Troubleshoot & Fix Hydraulic CALC pro Issues

1. Fix Hydraulic CALC pro Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Hydraulic CALC pro: Restarting the app will resolve most errors.
  2. Update the Hydraulic CALC pro App. Here is how:
    1. On Android goto PlayStore » Search for "Hydraulic CALC pro" » Open Hydraulic CALC pro » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Hydraulic CALC pro » click "UPDATE".
  3. Clear Hydraulic CALC pro app cache: Clearing cached data will force your app to retrieve the latest data directly from Hydraulic CALC pro servers.
    1. On Android, goto Settings » Apps » Select "Hydraulic CALC pro" » click Storage » click "Clear Cache".
  4. Check Hydraulic CALC pro app permissions. If any of these permissions required to use your device's features are disenabled, Hydraulic CALC pro might not work.
  5. Uninstall and reinstall Hydraulic CALC pro. If nothing else has worked, completely uninstall Hydraulic CALC pro then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Hydraulic CALC pro not working


2. Fix Hydraulic CALC pro Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Hydraulic CALC pro be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Hydraulic CALC pro not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Hydraulic CALC pro may not be able to connect to the Internet when running in the background.

Reported Issues