Time Perception Test vs Inner Clock Master
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Time Perception Test
Test your ability to accurately judge time intervals from 1 to 30 seconds. Improve your time sense and enhance productivity and decision-making skills in daily life. This app helps you develop a better understanding of time and manage your schedule more effectively.
- Test time intervals (1, 3, 5, 10, 30 seconds)
- Compare predicted vs. actual reaction time
- Improve productivity and efficiency
- Hone time management skills
- Develop intuitive decision-making
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Can you really feel a second? Or how accurately do you know how much time has passed? With this innovative app, you can put your sense of time to the test. Simply predict various time intervals, 1, 3, 5, 10, and 30 seconds, and press a button. Then compare it to your actual reaction time. As you improve your accuracy, you will notice a dramatic increase in productivity and efficiency in your daily life. The Time Perception Test trains your time sense and encourages intuitive decisions based on experience. It will help you hone your time management skills and make your life in the fast-paced digital world run more smoothly. The Time Perception Test is your partner in improving your time awareness and making your daily life more productive. Develop a new sense of everyday life. Download it now and start building a new relationship with time.
Inner Clock Master
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"Inner Clock Master" is a simple yet addictive timing game that tests your sense of time. Measure the displayed target seconds using only your internal clock, without watching the timer. ◆ Simple & Intuitive Controls Tap to start Tap again when you think the target time has passed Results displayed instantly ◆ Precise Judgment System Measures error down to 0.01 seconds Perfect judgment within 0.01s error Tiered scoring system ◆ Deep Gameplay Chain successes to stack multipliers Track your best score and aim to beat it Review round history to see your progress ◆ Engaging Mechanics LIMIT System: Large errors deal damage Game over when LIMIT reaches zero Continue by watching ads ◆ Beautiful Design Elegant gradient background Clear score display Smooth animations Perfect For ・Looking for a great time-killer game ・Love simple but deep games ・Want to test your time perception ・Training concentration skills ・Enjoy chasing high scores Scoring System Base points determined by error: 0.00s: 100 points (Perfect!) Within 0.05s: 80 points Within 0.10s: 60 points Within 0.30s: 40 points Multipliers increase with consecutive successes: Perfect: ×1.5 Within 0.05s: ×1.3 Within 0.10s: ×1.2 Within 0.30s: ×1.1 Multipliers stack, so the more consecutive successes, the higher your potential score! LIMIT System Take 50 damage per second of error. Game over when LIMIT (HP) reaches zero. Maintain accurate timing to survive as long as possible! Free to Play Completely free to play. Continue your game by watching ads. Download now and test the precision of your internal clock!
Screenshots
Verdict
The clearest difference is ads: Inner Clock Master at none against Time Perception Test's shown. Time Perception Test's advantage is update cadence (every 2 days vs every 4 days) and iOS requirement (12.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Time Perception Test ships an update every 2 days, Inner Clock Master every 4 days. The most recent releases landed on September 26, 2026 and October 10, 2026 respectively.
| Parameter | Time Perception Test | Inner Clock Master |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 days — better | Every 4 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 46 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Osawa Shunsuke | Ryoma Yanagimoto |
In-app purchases
Time Perception Test
No in-app purchases
Inner Clock Master
No in-app purchases
Questions
Is Time Perception Test free?
Is Inner Clock Master free?
Do Time Perception Test or Inner Clock Master have ads?
Which is updated more often, Time Perception Test or Inner Clock Master?
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