Contact ConCalc Customer Service

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1. Our AI is availaibe 24/7, to help you solve any pressing challenges.
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3. Skip support wait times and emailing back and forth. Get help immediately.

1. This version is still great for our big jobs but would like to have the option for number of bags for small jobs.I miss the old version that told you how many bags needed for my small projects at home.

2. I like the old version better because on small quantities it would give you the number of 60 or 80# bags needed.

3. Helps the average person learn how to calculate for concrete, gravel and all that good stufflove the app, but what happened to the asphalt calculator.

4. I do suggest to the developers to bring back the quantity it used to give for bags of concrete mix.It gets the job done.

5. I got a new galaxy 9 and I can no longer find the app in the app storegreat app for concrete and asphalt.

6. If used the app for years but am now going to search around for a different one..It's an app that every contractor must have.

7. This is fine for big jobs but and very disappointed.

8. Useful and its 100% accurate.

1. Fix ConCalc Not Working/Crashes/Errors/Unresponsive & Black/White screen:

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

2. Fix ConCalc Server issues & Internet Connection

1. Check network connection: An unstable Internet will make ConCalc 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 ConCalc not working. Make sure all VPNs are off
3. Enable background data: When Background data is turned off, ConCalc may not be able to connect to the Internet when running in the background.