# Thinking vs 15.Puzzle

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.

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.

## The numbers

| Metric | Thinking | 15.Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/thinking-brain-puzzles/id1232462799/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/15puzzle/id1281502300/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 134 MB | 12 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZIROTEK CORP.](https://appshunter.io/developer/1209821727) | [Bothina Elzoobi](https://appshunter.io/developer/991489487) |

## What reviewers say

### Thinking

[App page](https://appshunter.io/ios/app/thinking-brain-puzzles/id1232462799)

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.

**Highlights:** Physics-based puzzles, Line and shape drawing, 40 challenging levels, Multiple solutions per level, Free to play

**Features:** macOS Compatibility

**In-app purchases:** none


### 15.Puzzle

[App page](https://appshunter.io/ios/app/15puzzle/id1281502300)

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.

**Highlights:** Create puzzles from personal photos, Daily curated puzzles, Two difficulty levels (3x3, 4x4), Global leaderboards, Smart hint system, Share solved puzzles

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Thinking free?

Thinking is free to download, with no in-app purchases.

### Is 15.Puzzle free?

15.Puzzle is free to download, with no in-app purchases.

### Which has better reviews, Thinking or 15.Puzzle?

15.Puzzle is rated higher. Thinking averages 1.0 out of 5 from 1 ratings, while 15.Puzzle averages 4.3 from 4 ratings.

### Do Thinking or 15.Puzzle have ads?

Thinking shows ads; 15.Puzzle does not.

### Which is updated more often, Thinking or 15.Puzzle?

Thinking ships an update every 18 months, and 15.Puzzle every 3 weeks. Most recently, Thinking was updated on June 1, 2026 and 15.Puzzle on September 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*