Impossible 7! vs Inner Clock Master
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Impossible 7!
Test your speed, skill, and rhythm by counting as high as possible while avoiding numbers divisible by 7 or containing the digit 7. Features three distinct game modes to challenge players of all levels.
- Speed, skill, and rhythm gameplay
- Avoid numbers divisible by 7
- Avoid numbers containing the digit 7
- Three distinct game modes
- Leaderboards and Game Center support
- Simple to play, difficult to master
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"I love the idea of this app" - AppAdvice.com Impossible 7 is a game of speed, skill and rhythm. Count as far as you can, as fast as you can, while avoiding numbers that are evenly divisible by 7 and numbers that include the digit 7. INSTRUCTIONS Numbers like 1,2,3,4,5,6 are ok! but watch out from multiplications of seven (7,14,21,28,35,etc) and avoid numbers that include the digit seven (17,27,37,47,etc) SOUNDS EASY, RIGHT? - Not exactly! There are three different modes. - Survival Mode: race against the clock! - Sprint 0-50: How fast can you make it to 50? - Sprint 0-100: To 100? FEATURES - sweet graphics - 3 different game modes - simple to play, difficult to master - leaderboards, Game center support
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 update cadence: Inner Clock Master at every 4 days against Impossible 7!'s every 63 months. Impossible 7!'s advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases 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.
Impossible 7! ships an update every 63 months, Inner Clock Master every 4 days. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Impossible 7! | Inner Clock Master |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (48 ratings) — better | — |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 48 — better | — |
| Update frequency | Every 63 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Kfirapps Limited | Ryoma Yanagimoto |
In-app purchases
Impossible 7!
No in-app purchases
Inner Clock Master
No in-app purchases
Questions
Is Impossible 7! free?
Is Inner Clock Master free?
Do Impossible 7! or Inner Clock Master have ads?
Which is updated more often, Impossible 7! or Inner Clock Master?
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