Published by Quartertone

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Why should I report an Issue with OB Wheel: Pregnancy calculator?

  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 Quartertone 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.
contact OB Wheel: Pregnancy calculator image 1 contact OB Wheel: Pregnancy calculator image 2

About OB Wheel: Pregnancy calculator

1. Created by a board-certified ObGyn. -"Time Machine" mode can calculate "How many weeks will patient be on xxxx date?

2. Please keep this in mind when comparing the values obtained here to those given in clinics/hospitals. lebanoncrisis. carrd. reproductiverights.

3. Please note that the paper/plastic wheels used by obstetricians or ultrasound technicians are inherently inaccurate.

4. Different pregnancy wheels may vary by as much as 3 or 4 days.

5. This app calculates exactly 280 days (40 weeks) from LMP to EDC, and accordingly for any date in between.

6. " and "When will patient be xx weeks gestation?

7. Multi-function pregnancy calculator.

8. The people of the world thank you for your support.

OB Wheel Customer Insights

1. Please help as this app is more important than oxigen in my practice!!When I enter new patient into list app changes date of last menstruation Gestational age and delivery date are correct.

2. But when I reopen patient from last day of menstruation is incorrect EDIT : works fine nowUser friendly! I'm a medical professional and have used this app for 9 years.

3. Helpful in daily opd and easily calculate the expected dates.Very easy to use and I actually am an OB nurse very handy much easier than the old wheelVery useful... To every health care pro.

4. C'comn now!!!I would like to have time travel to make the time and the gestatinal age so i can calculate more esaly the termen other than that it my day to day app.

5. Thank u very much for making itIn total panic as I cannot access OB Wheel Pro with all my patients info in it.

6. Never glitches and is simple.Feature not available, try the web app... This is the message displayed when I click on CRL or IVF button.

7. The new web based one doesn't give me the option to store client details - due dates etc.

8. Waiting for web app to be further updated."This feature is not available try the web app".

9. There are better apps out there than this... It needs to be updated and fixed.

10. I like the original app where I could easily track my pregnant clients.

11. - added a star as the new update has helped.

Steps to Troubleshoot & Fix OB Wheel Issues

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


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


2. Fix OB Wheel Server issues & Internet Connection


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

Reported Issues