Thinking vs 15.Puzzle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Thinking
Solve physics-based puzzles by drawing lines and shapes. Explore 40 challenging levels with multiple solutions. This game offers a simple yet demanding mental workout.
- Physics-based puzzles
- Line and shape drawing
- 40 challenging levels
- Multiple solutions per level
- Free to play
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Draw lines and shapes to solve every level in this fun and challenging physics puzzle game! Draw lines and shapes to solve every level in this fun and challenging physics puzzle game! Use your creativity to guide objects, overcome obstacles, and find the perfect solution. Each level can be cleared in different ways, so try your own strategy and discover the smartest answer. Features ・Simple gameplay with challenging brain-teasing puzzles ・Draw lines and shapes to interact with physics ・Multiple solutions for every level ・All levels are unlocked for free ・Includes complete answers when you get stuck It may look easy at first, but every level is waiting to test your brain!
15.Puzzle
Transform your personal photos into engaging sliding tile puzzles. Enjoy daily curated challenges, track your progress, and compete with others globally. Play quick, satisfying rounds anytime, anywhere.
- Create puzzles from personal photos
- Daily curated puzzles
- Two difficulty levels (3x3, 4x4)
- Global leaderboards
- Smart hint system
- Share solved puzzles
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Turn any picture into a puzzle. Photo Slide Puzzle takes the sliding tile game and adds the one thing it was always missing: your photos. Pick an image from your camera roll, snap a fresh one, or play today's curated daily puzzle. Every picture becomes a satisfying sliding puzzle you race to reconstruct. WHAT'S INSIDE - Your photos, your puzzles. Use any image from your library or take one with the camera. Family moments, vacation snapshots, pet portraits — anything becomes a puzzle you actually care about solving. - A new daily puzzle every day. Open the app each morning to find a fresh curated image. Solve consecutive days to build your streak — see how far you can go. - Two difficulty levels. Easy (3×3) for a quick session in line at the coffee shop, Hard (4×4) for a real challenge. - Live scoring and best-time tracking. Beat your personal records, then climb the Game Center leaderboards against players around the world. - Smart hint system. Stuck on a tricky puzzle? Use a peek to glance at the original image. Watch a short video to have one piece snapped automatically into its correct spot. - Designed for iPhone and iPad. Rotate freely — the puzzle reflows. Sharp at every screen size, in Split View, and on every recent device. - Made for fast, satisfying sessions. Each round runs 2 to 4 minutes. Perfect for waiting rooms, commutes, lunch breaks, and the ten minutes before bed. - Share your solves. Send a finished puzzle as an image to friends and family. NO LOGIN. NO SUBSCRIPTION. NO REGISTRATION. Just open the app and play. Game Center sign-in is optional and only used for global leaderboards. We hope you love it. If you do, please leave a review — it genuinely helps small developers keep building.
Screenshots
Verdict
The clearest difference is rating: 15.Puzzle at 4.3 against Thinking's 1.0. 15.Puzzle also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 18 months). On price, in-app purchases, device support and iOS requirement 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.
15.Puzzle holds the better App Store score, 4.3 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Thinking ships an update every 18 months, 15.Puzzle every 3 weeks. The most recent releases landed on June 1, 2026 and September 1, 2026 respectively.
| Parameter | Thinking | 15.Puzzle |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.3 (4 ratings) — better |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 18 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 134 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | ZIROTEK CORP. | Bothina Elzoobi |
Customer experience
Thinking
15.Puzzle
In-app purchases
Thinking
No in-app purchases
15.Puzzle
No in-app purchases







