In this post I’m going to write about a growth hack that my team uses for one of our apps — Wind Tracker. Many mobile apps require some form of registration, whether through social media profiles or email. Most apps only use the profile information to authenticate the user. However, there are some other smart things that app developers can do in order to increase engagement and collect valuable feedback. Emails are not the obvious way to do this, but the truth is that many successful apps use them effectively as I’ll show below.

In our case we use Firebase…


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