Do I need to keep OALD8 on my device once I have upgraded to OALD9?

Existing users of our OALD8 Android apps purchased from Google Play can upgrade to the new OALD9 app for a discount. You will need to have your OALD8 app installed on your device to buy OALD9 at the discounted price. See here for more information:

Once you have upgraded to OALD9, there is no need to keep OALD8 on your device and you can remove it if you wish.


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