I've looked around and found some excellent benchmarks but it's either old or it's too industry specific. Here are my best finds: http://flurrymobile.tumblr.com/post/113379517625/app-engagement-the-matrix-reloaded http://blog.soom.la/2015/01/user-retention-hackaing-the-40-20-10-rule-with-love.html
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Sabina Storsjö
Hi Carole! This Article by Andrew Chen is great and gives good insights on app retention rates https://growthhackers.com/articles/new-data-shows-losing-80-of-mobile-users-is-normal-and-why-the-best-apps-do-better/
carole el-rahi
Thanks Sabina this is a great article. Very useful!