# Science vs 15 Puzzle Polygon

The clearest difference is price: 15 Puzzle Polygon at Free against Science's $0.99. 15 Puzzle Polygon also leads on update cadence (every 6 weeks vs every 27 months) and device support (3 vs 1). Science's advantage is in-app purchases (none vs 1) and ads (none vs shown).

15 Puzzle Polygon is free to download; Science costs $0.99 up front. 15 Puzzle Polygon sells 1 one-off in-app purchase. Science asks for nothing beyond the download.

Science ships an update every 27 months, 15 Puzzle Polygon every 6 weeks. The most recent releases landed on September 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Science | 15 Puzzle Polygon |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/15-puzzle-polygon/id1493750827/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 27 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 19 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | Apple TV | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Illés László](https://appshunter.io/developer/316890672) | [振华 许](https://appshunter.io/developer/1437340417) |

## What reviewers say

### Science

[App page](https://appshunter.io/ios/app/science-solarsystem/id1054480020)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Science free?

Science costs $0.99, with no in-app purchases.

### Is 15 Puzzle Polygon free?

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

### Do Science or 15 Puzzle Polygon have ads?

15 Puzzle Polygon shows ads; Science does not.

### Which is updated more often, Science or 15 Puzzle Polygon?

Science ships an update every 27 months, and 15 Puzzle Polygon every 6 weeks. Most recently, Science was updated on September 15, 2026 and 15 Puzzle Polygon on October 18, 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.*