Centered vs 24 Bubbles
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Centered
This minimalist game challenges your balance, focus, and reaction speed using real-time motion data from your watch. Keep the ball centered, tap quickly when it turns red, and track your improvement with detailed performance metrics. Playable on Apple Watch and iPhone.
- Precision balance tracking
- Reaction-time challenges
- Detailed performance metrics
- Customizable session length
- Minimalist design
- Session history tracking
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Stay centered. Stay focused — right from your wrist Centered is a minimalist Apple Watch experience that challenges your balance, focus, and reaction speed using real-time motion from your watch. Hold your wrist steady to keep the ball centered, then tap fast when it turns red. Simple, calming, and surprisingly intense. Designed for Apple Watch • Play anywhere — no phone needed (though it works on iPhone too) • Uses your watch’s motion sensors for instant feedback • A subtle physical challenge: keep your balance steady • Perfect for breaks, workouts, or mindfulness sessions How to Play • Center the ball in the floating circle • Maintain balance as long as you can • Tap quickly when the ball turns red • Can you reach 100%? Features • Precision balance tracking using Apple Watch motion sensors • Reaction-time challenges to sharpen focus • Detailed performance metrics (stability, accuracy, response time) • Customizable session length • Minimal, distraction-free design • Session history to track your improvement • Fully playable on iPhone as well Perfect For • Mindfulness and mental clarity • Improving balance and concentration • Quick focus resets throughout the day • Subtle physical challenges and reaction training Companion iPhone App • View detailed stats and history • Track progress over time • Adjust gameplay settings Your motion data stays on your device. No ads. No accounts. Just presence and focus.
24 Bubbles
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Turn the classic 24 puzzle into a lively bubble-merging adventure. In 24 Bubbles, there are no operator buttons. Simply drag two number bubbles together and the game automatically performs a valid operation. Correct combinations merge into a larger bubble—keep going until the final bubble is exactly 24. GAME MODES • Cloud Levels: 30 carefully arranged number puzzles. • Arcade Mode: Start with 30 seconds, earn time for every solved puzzle, and level up after every 10 consecutive wins. • Face-to-Face Duel: Share one device and compete across a split screen for 30 seconds. • Apple Watch Quick Challenge: Tap two numbers on your wrist for short puzzle sessions anytime. • Animated Tutorial: Learn naturally through gesture animation the first time you play. A DELIGHTFUL EXPERIENCE • Soft translucent bubbles, dynamic lighting, and satisfying merge animations. • Pickup, impact, burst, and victory sounds with haptic feedback. • The in-game interface supports Simplified Chinese and English. • Play on iPhone, iPad, and Apple Watch. Progress stays on your device. • No account required. Observe the relationships between the numbers, discover the right merge order, and make the last bubble exactly 24!
Screenshots
Verdict
Centered and 24 Bubbles are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Centered | 24 Bubbles |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Adam Safran | 凯 刘 |
In-app purchases
Centered
No in-app purchases
24 Bubbles
No in-app purchases









