The app updates contain a lot of improvements, bug fixes, and new features and it's always useful to get the last version of the app. Lots of users contact us because they have a problem that they wouldn't have if they had updated the app. So, to ensure that you didn't miss any of them, the best solution is to enable the automatic updates on both IOS and Android versions.
For IOS devices, you can follow this interesting guide: https://support.apple.com/en-us/HT202180
For Android devices, here is the guide: https://support.google.com/googleplay/answer/113412?hl=en