
Inner Clock - Time Sense Test
Guess the Time Without a Timer
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Free
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About
Inner Clock asks you to stop a hidden timer at 2, 3, 5, 7 and 10 seconds. The screen shows no running numbers: you press START, count in your head, and press STOP when you think the target has passed.
After each of the five rounds you see the target, the time you actually stopped at and the error. When all five are done, your average error places you in one of six types, from Human Atomic Clock to Free Spirit, along with your best and weakest round.
An optional card on the result screen shows whether you tend to stop early or late and whether you were closer on the short targets (2 and 3 seconds) or the long ones (7 and 10 seconds). You open it by watching a short ad.
You can send the result as an image together with a line of text that names your type and average error. A practice mode lets you repeat any single target as often as you like before the five rounds.
Available in 10 languages: English, Korean, Japanese, Simplified and Traditional Chinese, Spanish, Portuguese, Indonesian, German and French.
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What's New in Inner Clock
1.1.0
October 28, 2026
Sharing a result now sends the text with your type and average error along with the image. A new card on the result screen shows whether you tend to stop early or late and whether short or long targets suit you better. The START and STOP buttons no longer shift while a round is running. This version also adds an update notice.
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