Serious issues (crashing, etc) may require that you remove Grindr and reinstall it from the Play Store on your Android device.
First, open the Settings app on your device.
Tap General, then Apps.
And make sure to delete the Grindr app data. To do this follow these steps:
1. Open Storage.
2. Press the Clear Data and Clear Cache options.
3. Then Tap Uninstall.
Lastly, Download a new copy of Grindr from the Play Store.
Restart your device.
Reinstall Grindr from the Play Store on your device.