CHECK OUT MY ARTWORK!
https://docs.google.com/document/d/1pAks3iuEpilptjstK85xFD5m7SQUBKigEsJ4DVBCHGo/edit
I prefer iOS since it seems to be very simple. Android is more complicated to me. My favorite app is YouTube.
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What's your favorite iPhone / Android app? And do you prefer Android or iOS?