# 15 Puzzle Polygon vs 智力星空

The clearest difference is ads: 智力星空 at none against 15 Puzzle Polygon's shown. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. 15 Puzzle Polygon sells 1 one-off in-app purchase and 智力星空 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 15 Puzzle Polygon against 5.0 for 智力星空. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

15 Puzzle Polygon ships an update every 6 weeks, 智力星空 every 4 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 15 Puzzle Polygon | 智力星空 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/15-puzzle-polygon/id1493750827/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6502636456/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 19 MB | 52 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [振华 许](https://appshunter.io/developer/1437340417) | [Tech4Joy](https://appshunter.io/developer/1746280147) |

## What reviewers say

### 15 Puzzle Polygon

[App page](https://appshunter.io/ios/app/15-puzzle-polygon/id1493750827)

Engage your mind with a variety of logic and puzzle games. Explore unique variations of classic puzzles like the 15-puzzle, tile matching, and color-based challenges. Offers numerous levels and modes to test your thinking skills.

**Highlights:** Extended 15-puzzle variations, Hexagonal and triangular boards, Tile matching with various shapes, Color-based logic puzzles, Maze and rotating puzzles, Nonogram and number puzzles

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


### 智力星空

[App page](https://appshunter.io/ios/app/id6502636456)

This platform offers scientific and engaging brain training for adolescents, focusing on improving concentration, memory, and logical thinking. It combines cognitive neuroscience with fun, space-themed adventures to address common parental concerns about learning difficulties and development.

**Highlights:** Adolescent potential assessment center, Pilot-level concentration training, Printable paper-screen synchronized practice books, All-brain potential activation hall, Logical and programming thinking training, Weekly brain quotient reports, Eye protection and anti-addiction controls

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7天会员 | $1.99 | one-time |
| 月会员 | $4.99 | one-time |
| 优惠年会员 | $24.99 | one-time |
| 特惠永久会员 | $29.99 | one-time |
| 年会员 | $29.99 | one-time |
| 永久会员 | $69.99 | one-time |


## Frequently asked questions

### Is 15 Puzzle Polygon free?

15 Puzzle Polygon is free to download, with in-app purchases available.

### Is 智力星空 free?

智力星空 is free to download, with in-app purchases available.

### Which has better reviews, 15 Puzzle Polygon or 智力星空?

15 Puzzle Polygon and 智力星空 are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do 15 Puzzle Polygon or 智力星空 have ads?

15 Puzzle Polygon shows ads; 智力星空 does not.

### Which is updated more often, 15 Puzzle Polygon or 智力星空?

15 Puzzle Polygon ships an update every 6 weeks, and 智力星空 every 4 weeks. Most recently, 15 Puzzle Polygon was updated on October 18, 2026 and 智力星空 on October 24, 2026.

---

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