A friend's site, where users upload lots of pictures every hour, gets millions of hits everyday. It costs him $20-$30 on S3 per month.
You're probably overthinking this. Just run the test. Chances are no one will care about your app.
But if you get lucky and get a bazillion hits, you'll find out very quickly. Stick some Google ads on. If you capture emails, you should also be able to convert some to premium.
You're probably overthinking this. Just run the test. Chances are no one will care about your app.
But if you get lucky and get a bazillion hits, you'll find out very quickly. Stick some Google ads on. If you capture emails, you should also be able to convert some to premium.