One other question if you don't mind: How did you initially market the app/gain traction? Right now I've been just reaching out directly to Instagram users (my app is for them www.TagsForLikes.com) and that has worked alright but wondering if you have any other methods.
Yeah, this was about as organic as it possibly could've been.
I bought an el-cheapo Android phone from Virgin Mobile and was annoyed that I couldn't check to see how many minutes I have left. I searched on the internet, and others had the same problem, and would post about it (eg, howardforums.com)
So I wrote the app and then posted to those message boards: "Hey, check this out, I created a free app. It's crappy but it works."
It started catching on from there, and it also shows up when you type "virgin mobile" into the android market store.
So besides plugging it on the internet (a few forums, on HN, telling friends) I haven't done that much.
I recently moved to Manhattan, and was in a radio shack buying a top-up card. I was chatting with the cashier, who was also a VM customer, and asked her if she'd ever used my app. I showed it to her, she liked it, and said she would recommend that all of her customers download that app when they buy VM phones. I have no way to know how many sales that generated, but it was a cool feeling!
