Bigger or Smaller

For iPhone · Available now on the App Store

Two maths expressions appear. Tap the one you think is bigger, then see the real values and the one-line reason why.

Download on the App Store

Bigger or Smaller asking which is bigger, 20 to the 5 or 5 to the 20

A correct answer for 5 to the 20, over 10 to the 7 times bigger than 20 to the 5

Streak summary showing a streak of 3 and a best streak of 14

One wrong answer ends your run, and your best streak is saved.
No timer, no mental sums — it's about intuition, not arithmetic.
Works entirely offline, with no accounts, tracking or ads.

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