Yes, Retain is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Retain is free.
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I don’t know what the app is like but it’s off-putting if the first thing I need to do is to register and give my email address and name in order to use the app. This app is a learning app so there is absolutely no reason for a registration in any form. Uninstalled instantly
