About 9 months. But our only costs are an Apple Developer License, and a Business license for the LLC. We're not considering our time to be paid, since we have day jobs. http://gif-wallet.com
We can almost split a top ramen a day (assuming 4 for a dollar).
If you take a Taco Bell hot sauce and put it on Top Ramen, it tastes exactly like poverty.
It has been about 9 months without making any money. The app also doesn't have a monetization strategy yet (focusing on making an awesome product first), so that makes sense. There has been a large uptick in organic traffic recently (without any PR or paid advertising), so monetization may be in the immediate future.