# Logic Square vs Nonograms 999

The clearest difference is in-app purchases: Logic Square at none against Nonograms 999's 4. Logic Square also leads on rating (4.9 vs 4.6) and review sentiment (91% vs 81%). Nonograms 999's advantage is ratings volume (2.8K vs 215). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Nonograms 999 sells 4 one-off in-app purchases. Logic Square asks for nothing beyond the download.

Logic Square holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Nonograms 999 has 2.8K ratings behind it against 215, so its average is the more settled of the two. Written reviews point the same way: 91% of Logic Square's written reviews are positive against 81% of Nonograms 999's.

Logic Square ships an update monthly, Nonograms 999 every 2 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Logic Square | Nonograms 999 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (215 ratings)](https://appshunter.io/ios/app/logic-square-nonogram/id432045052/reviews)** | [4.6 (2.8K ratings)](https://appshunter.io/ios/app/nonograms-999/id1172964810/reviews) |
| Number of ratings | 215 | **2.8K** |
| Positive reviews | **91.4% of reviews** | 81.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 86 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JaeKwan Jung](https://appshunter.io/developer/432045055) | [Seventh rank Inc.](https://appshunter.io/developer/408148416) |

## What reviewers say

### Logic Square

[App page](https://appshunter.io/ios/app/logic-square-nonogram/id432045052)

This is a free puzzle game where you reveal hidden images by filling in blocks based on number clues. It offers thousands of puzzles, daily new challenges, and online multiplayer modes. Learn the ropes with tutorials and track your progress against others.

**Highlights:** Thousands of puzzles, Daily new puzzles, Online match play, Tutorials for beginners, Leaderboard system, Online synchronization, Color puzzles

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

**In-app purchases:** none


### Nonograms 999

[App page](https://appshunter.io/ios/app/nonograms-999/id1172964810)

Engage your mind with a vast collection of free logic puzzles. Enjoy a smooth, one-handed gameplay experience with intuitive controls, auto-save, and helpful tools like auto-fill and undo/redo. Discover a variety of handmade illustrations across different canvas sizes.

**Highlights:** 999 free logic puzzles, One-handed gameplay design, Auto-save progress, Auto-fill function, Undo/Redo functionality, Handmade challenges, Multiple canvas sizes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Hint Coin | $0.99 | one-time |
| 45 Hint Coin | $2.99 | one-time |
| 100 Hint Coin | $5.99 | one-time |
| 200 Hint Coin | $9.99 | one-time |

**What reviewers like**

- 🚀 Addictive and engaging
- 👍 Intuitive controls and UI
- 💡 Variety of puzzle sizes and difficulties
- 🚀 Frequent updates with new puzzles
- 👍 Minimal ads, non-intrusive

**What reviewers complain about**

- 🐛 Freezing and crashing issues
- 🔋 High battery consumption
- 🔒 No option to remove ads
- 🐛 Progress reset after updates
- 👎 Difficulty scaling on smaller screens

**Reported bugs**

- Freezing and crashing
- Puzzle progress not saving
- Incorrect puzzle clues/solutions

**Requested features**

- Dark mode option
- Cross-device progress sync
- More 30x30 and larger puzzles
- Option to purchase ad-free version
- Ability to mark 'unsure' squares


## Frequently asked questions

### Is Logic Square free?

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

### Is Nonograms 999 free?

Nonograms 999 is free to download, with in-app purchases available.

### Which has better reviews, Logic Square or Nonograms 999?

Logic Square is rated higher. Logic Square averages 4.9 out of 5 from 215 ratings, while Nonograms 999 averages 4.6 from 2.8K ratings.

### Do Logic Square or Nonograms 999 have ads?

Both Logic Square and Nonograms 999 show ads.

### Which is updated more often, Logic Square or Nonograms 999?

Logic Square ships an update monthly, and Nonograms 999 every 2 months. Most recently, Logic Square was updated on September 17, 2026 and Nonograms 999 on September 23, 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.*