Ah, 30% of the ~3 billion Tinder or any successful business is worth it for "band width"? Yeah, no. Not sure how this even became a norm for people to look so blindly. It's absolutely insane to even think about.. we're almost talking about 1 3rd of the entire business value for hosting!?
uhhh.. hosting and bandwidth for potentially millions of downloads and updates and your videos and screenshots?
Covering user refunds?
A reviews and feedback system?
Crash logs?
Showing you in user searches?
The Editor's Choice and Featured Apps lottery?
Invitations to develop for yet-to-be announced platforms?
Giving your users peace of mind that your app is sandboxed and cannot indulge in hanky panky?