If your iPhone or iPad cannot run the latest version of MyNetDiary, the App Store may offer an older compatible version when you redownload the app. This depends on whether a compatible version remains available and whether you previously downloaded the app using the same Apple Account.
You need to open the App Store app, then locate the Purchased Apps list. In iOS 11 and later, you need to tap the circular face to open the Account screen, then select Purchased, then My Purchases.
After you arrive at the Purchased screen, find the MyNetDiary app. Tap it and then tap Install or the cloud icon. If a compatible older version remains available, the App Store may offer to install it.
You can also check Apple's instructions for additional information.
Unfortunately, it's not possible to download previous versions of our app directly through Google Play Store on Android device.