# Logic Square vs Dr. Nonogram

The clearest difference is review sentiment: Logic Square at 91% against Dr. Nonogram's 0%. Dr. Nonogram's advantage is monetization model (ad-supported vs free with in-app purchases) and update cadence (fortnightly vs monthly). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Logic Square ships an update monthly, Dr. Nonogram fortnightly. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Logic Square | Dr. Nonogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (215 ratings)](https://appshunter.io/ios/app/logic-square-nonogram/id432045052/reviews)** | — |
| Number of ratings | **215** | — |
| Positive reviews | **91.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 86 MB | 24 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JaeKwan Jung](https://appshunter.io/developer/432045055) | [SUD Inc.](https://appshunter.io/developer/453469451) |

## 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


### Dr. Nonogram

[App page](https://appshunter.io/ios/app/dr-nonogram/id1615172255)

Solve picture logic puzzles by filling in grid cells according to number clues. Reveal hidden images by correctly coloring or leaving cells blank. These puzzles offer a unique challenge for logic enthusiasts.

**Highlights:** Picture logic puzzles, Grid-based challenges, Number clue system, Reveal hidden images, Color and black/white options

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

**In-app purchases:** none


## Frequently asked questions

### Is Logic Square free?

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

### Is Dr. Nonogram free?

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

### Do Logic Square or Dr. Nonogram have ads?

Both Logic Square and Dr. Nonogram show ads.

### Which is updated more often, Logic Square or Dr. Nonogram?

Logic Square ships an update monthly, and Dr. Nonogram fortnightly. Most recently, Logic Square was updated on October 12, 2026 and Dr. Nonogram on October 6, 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.*