# Nonograms Katana vs Ninigrams

The clearest difference is price: Nonograms Katana at Free against Ninigrams's $4.99. Nonograms Katana also leads on ratings volume (6.6K vs 12). Ninigrams's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs every 3 months). On rating, ads, device support and iOS requirement there is nothing between them.

Nonograms Katana is free to download; Ninigrams costs $4.99 up front. Nonograms Katana sells 3 one-off in-app purchases. Ninigrams asks for nothing beyond the download.

Ninigrams holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Nonograms Katana has 6.6K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 83% of Nonograms Katana's written reviews are positive against 100% of Ninigrams's.

Nonograms Katana ships an update every 3 months, Ninigrams every 3 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Nonograms Katana | Ninigrams |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.8 (6.6K ratings)](https://appshunter.io/ios/app/nonograms-katana/id1037710023/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/ninigrams/id6768450024/reviews)** |
| Number of ratings | **6.6K** | 12 |
| Positive reviews | 82.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 27 MB | 34 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ucdevs Interaction DOO](https://appshunter.io/developer/1037710022) | [NINA BERRY KOH](https://appshunter.io/developer/1896574135) |

## What reviewers say

### Nonograms Katana

[App page](https://appshunter.io/ios/app/nonograms-katana/id1037710023)

Engage in logic puzzles where you fill cells based on numerical clues to reveal hidden pictures. This app offers a vast collection of puzzles, tools for marking cells, and options to create and share your own challenges.

**Highlights:** 1001 nonogram puzzles, Create and share custom puzzles, Black-and-white and colored puzzles, Puzzles sorted by size, Hints and undo/redo functionality, Cloud save and achievements

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 80 Hints | $0.99 | one-time |
| 200 Hints | $1.99 | one-time |
| VIP version | $2.99 | one-time |

**What reviewers like**

- 👍 Lots of puzzles
- 👍 Customizable settings
- 👍 Minimal ads
- 👍 Challenging puzzles
- 👍 User-created puzzles

**What reviewers complain about**

- 🐛 Occasional crashes
- 🐛 Puzzle progress loss
- 🐛 Ads not working
- 🐛 Freezing issues
- 🐛 Compatibility problems

**Reported bugs**

- Puzzle progress not saving
- Puzzle images not loading
- Freezing/crashing on larger puzzles
- Ads not playing properly
- Compatibility issues with newer iOS versions

**Requested features**

- Dark mode option
- Ability to rearrange/move puzzle pieces
- Difficulty ratings for puzzles
- Automatic line/row completion
- Ability to follow/subscribe to users


### Ninigrams

[App page](https://appshunter.io/ios/app/ninigrams/id6768450024)

Solve logic puzzles to reveal hidden pixel art. Use numbered clues to deduce which squares to fill, with no guessing required. Enjoy a satisfying and distraction-free experience with over 400 handcrafted puzzles.

**Highlights:** Reveal hidden pixel art, Logic-based deduction, 400+ handcrafted puzzles, Offline play, Interactive tutorial, Mobile-optimized controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Nonograms Katana free?

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

### Is Ninigrams free?

Ninigrams costs $4.99, with no in-app purchases.

### Which has better reviews, Nonograms Katana or Ninigrams?

Ninigrams is rated higher. Nonograms Katana averages 4.8 out of 5 from 6.6K ratings, while Ninigrams averages 5.0 from 12 ratings.

### Do Nonograms Katana or Ninigrams have ads?

Neither Nonograms Katana nor Ninigrams shows ads.

### Which is updated more often, Nonograms Katana or Ninigrams?

Nonograms Katana ships an update every 3 months, and Ninigrams every 3 days. Most recently, Nonograms Katana was updated on October 16, 2026 and Ninigrams on October 11, 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.*