cribasoft
* >70% of all time entries saved in HoursTracker are made via the timer. Having the timer is probably very important.
* QuickBooks integration would no doubt be a useful feature, but in 6 six years I've had maybe 10 emails asking for it. It's been on "the list" for almost the entire time, continually bumped.
* Once I started seeing some organic downloads/revenue, I found myself forced to address marketing.
My story is more about how I've had to adapt to the App Store changes over the years, primarily the rush to Freemium. That focus is mostly a response to the plentiful stories out there about how free apps are ruining it for everyone.
I could write about adapting to app store search changes, iOS 6 card results, ranking changes, etc. In fact, some longer drafts went into some of those things. But, I ended up trimming it to the most still-relevant things, for brevity and out of respect for the reader's time.
It's a younger product with strong growth and lots of room for refinement. I'm satisfied with how it is going so far.
I track a lot of metrics and keep a custom dashboard that I can look at any time to see how things are going long-term/short-term/real-time.
Supertop's Unread also has a great (similar) take on IAP: https://itunes.apple.com/us/app/unread-rss-news-reader/id911...
Not jumping on the IAP train fast enough was probably the stand-out one. Over time, it seemed like people got used to buying via IAP and almost resisted doing anything else. Sometimes it was as simple as being afraid they'd have to start over with their data if they purchased a whole different app (they wouldn't).
I think its important to let people pay when they are ready with as little friction as possible. If you have the friction of returning to the App Store, you will lose a lot of them in the process.