• 3 Simple App Ideas That Paid Big At times, being an app developer can feel a little like gambling. Sometimes, you take thousands of hours of manpower, hundreds of thousands in investments, and you bet it all on an idea that ends up flopping hard. Other times, however, you do the exact same and end up hitting on something absolutely earth-shattering. Ultimately, […] Proto. io 10 min read September 17, 2017