We're defining an app as a "sleeper hit" if it's both widely used and not especially talked about.
These are the games and utilities that are often taken for granted. So let's shine a spotlight on them and give them the attention they deserve.
Clear
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Everything you need in a to-do list app and nothing you don't. Clear makes it a snap to keep track of the tasks at hand, letting you swipe over completed tasks to register them as complete.
Price:$1.99
Great Little War Game
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Fans of hexagon-based war games will fall in love with this app. Take turns waging war against the computer or a friend. Build vehicles and win by defeating all of your opponent's units.
Price:$1.99
Gliph
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Every now and then, you might need to send a message to someone securely. Gliph makes this an easy task, cloaking your email, texts, and even requiring a PIN to start the app up.
Your communications will definitely be safe here.
Price:free
See the rest of the story at Business Insider