Math alarm clock

Choose from the missions below, or put up to four in a sequence. This is the iPhone 2.30 selection; Google Play has version 2.9, so Squats and Push-ups are iPhone-only for now. Camera, movement and voice missions need their corresponding permissions and supported hardware.

How to use it

1. Choose Math Problems in your alarm’s mission picker.
2. Set the difficulty and try it while you are awake. Start with a manageable challenge.
3. When the alarm rings, enter the correct answers to finish the rounds.

What to check

On iPhone, stop it or snooze it and it rings again within 30 seconds, until your mission is done. Google Play’s version 2.9 rings again a minute later, for up to an hour. Your phone’s own controls still work.

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