I sometimes get mails from (not really) customers like: 'can you add feature x of the paid version to the free version?'. The paid version is $4.99 by the way.
If you have decent app that solves problems well and you have enough energy left to do some marketing then probably you can make a decent living. Or you have a lot of luck, then no problems at all. But if you hope that customers find you by themselfes, maybe you shouldn't bet on the business.
If you have decent app that solves problems well and you have enough energy left to do some marketing then probably you can make a decent living. Or you have a lot of luck, then no problems at all. But if you hope that customers find you by themselfes, maybe you shouldn't bet on the business.