Here are the sizes of the last 6 TomTom NDS apps
It is best to do a clean install every time to insure all will work correctly.
One thing I have never done is have more than one GPS app on a phone at any one time.
There is no way I will install the old TOMTOM GO on the same phone with NDS version.
Also the old TomTom Go app has been discontinued some time ago.
Plus if you are going to have more than one make sure you turn off the one or ones you are not needing in Settings, Apps.
It is called Force Stop:
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