Sharp Eye Challenge vs Raytangle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sharp Eye Challenge
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Sharpen your eyes and find the differences! Relax with a beautiful puzzle game that challenges your observation skills. In each level, you’ll see two similar images. Your mission is simple: spot all the differences before time runs out! Sounds easy? Look closer — some differences are harder to find than you think. Perfect for quick breaks or long relaxing sessions, this game is designed for players who enjoy casual brain training and visual puzzles. Plenty of Beautiful Levels Explore a wide collection of carefully designed images full of hidden differences. Challenge Your Observation Skills Train your brain and improve your focus while enjoying fun puzzles. Hint System Stuck on a tricky difference? Use hints to help you continue the level. Daily Rewards Play every day and collect rewards to help you progress faster. Relaxing Gameplay No complicated rules — just tap the differences and enjoy the game. Play Anywhere Great for short breaks, commuting, or relaxing before bed. Why You'll Love This Game • Simple and addictive gameplay • Improves attention to detail • Suitable for all ages • Beautiful images and smooth experience
Raytangle
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Restore the light in Raytangle, a calm puzzle game where every tap rotates one piece of the network by 90 degrees. Connect every wire to the bright core, illuminate each point on the board, and solve the puzzle in as few moves as possible. Begin with compact 3×3 layouts, then work your way up to challenging 7×7 networks. Every level is generated to be solvable, while a clear turquoise glow shows exactly how far the energy reaches. Raytangle includes: • 100 puzzles across five chapters • a new 5×5 Daily Pulse every day • one-to-three-star scoring • hints and instant board restarts • saved progress and daily streaks • optional gentle haptic feedback • screen-reader descriptions for interactive elements Play without an account and without an internet connection during gameplay. Raytangle has no ads and does not collect personal data. The first chapter with 20 levels and Daily Pulse are free. Unlock the remaining 80 levels and unlimited hints with one purchase—no subscription. Find your rhythm. Connect the light.
Screenshots
Verdict
The clearest difference is in-app purchases: Sharp Eye Challenge at none against Raytangle's 1. Sharp Eye Challenge also leads on iOS requirement (13.0 vs 16.4). On price, ads 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. Raytangle sells 1 one-off in-app purchase. Sharp Eye Challenge asks for nothing beyond the download.
| Parameter | Sharp Eye Challenge | Raytangle |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 100 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Thai Tran Hong | Lukasz Rajchel |
In-app purchases
Sharp Eye Challenge
No in-app purchases
Raytangle
- Full Game$4.99
Questions
Is Sharp Eye Challenge free?
Is Raytangle free?
Do Sharp Eye Challenge or Raytangle have ads?
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