# Pixel.Fun2 vs Nanogram Puzzle Challenge

The clearest difference is rating: Nanogram Puzzle Challenge at 4.6 against Pixel.Fun2's 3.7. Nanogram Puzzle Challenge also leads on review sentiment (67% vs 38%) and update cadence (fortnightly vs every 3 months). Pixel.Fun2's advantage is ratings volume (118 vs 10). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Pixel.Fun2 sells 10 in-app purchases, starting at $8.99 per month and Nanogram Puzzle Challenge sells 10 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Nanogram Puzzle Challenge holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Pixel.Fun2 has 118 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 38% of Pixel.Fun2's written reviews are positive against 67% of Nanogram Puzzle Challenge's.

Pixel.Fun2 ships an update every 3 months, Nanogram Puzzle Challenge fortnightly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Pixel.Fun2 | Nanogram Puzzle Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (118 ratings)](https://appshunter.io/ios/app/pixelfun2/id1512142833/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/nanogram-puzzle-challenge/id1550543755/reviews)** |
| Number of ratings | **118** | 10 |
| Positive reviews | 37.9% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 168 MB | 149 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DoMobile Co., Ltd.](https://appshunter.io/developer/523576985) | [Beijing ZJCYOU Technology Co., Ltd](https://appshunter.io/developer/1126239607) |

## What reviewers say

### Pixel.Fun2

[App page](https://appshunter.io/ios/app/pixelfun2/id1512142833)

Restore color to a lost island by painting pixel art objects. Choose from various islands or individual pictures to create pixel art collections. Enjoy a relaxing coloring experience with easy-to-follow number guides and share your creations.

**Highlights:** Pixel art coloring islands, Color by number gameplay, Original beautiful pictures, Abundant categories, Switchable island styles, Speed-up props, Shareable coloring videos

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP (Monthly) | $8.99 | per month |
| VIP (Yearly) | $49.99 | per year |
| Coins Pack 2XS | $0.99 | one-time |
| Coins Pack XS | $1.99 | one-time |
| Combo Gift Pack S0 | $4.99 | one-time |
| Key | $5.99 | one-time |
| Master key 1 | $6.99 | one-time |
| Coins Pack M | $9.99 | one-time |
| Combo Gift Pack M0 | $9.99 | one-time |
| Master key | $9.99 | one-time |

**What reviewers like**

- 🌟 Relaxing and enjoyable gameplay
- 👍 Cute and appealing art style
- 💡 Variety of coloring options (daily, worlds, etc.)

**What reviewers complain about**

- 🐛 Frequent network errors preventing progress
- 🐛 Disappearing numbers/elements when zooming in
- 🔁 Repeated crashes and loss of progress
- 💰 Excessive ads and expensive subscription

**Reported bugs**

- Unable to unlock new islands due to network errors
- Inability to log in or sync progress across devices
- Frequent crashes and freezes, especially when zooming

**Requested features**

- Add new worlds/islands regularly
- Fix network/login issues
- Improve stability and reduce bugs


### Nanogram Puzzle Challenge

[App page](https://appshunter.io/ios/app/nanogram-puzzle-challenge/id1550543755)

This logic puzzle game challenges you to fill in a grid based on number clues, revealing hidden pixel art pictures. It offers endless puzzles suitable for all ages, with automatic progress saving and a variety of themes to discover.

**Highlights:** Logic-based grid coloring, Reveal hidden pixel art, Endless puzzles, Automatic progress saving, Multiple themes and levels, Suitable for all ages

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP(week) | $9.99 | per 7 days |
| 150 diamonds | $1.99 | one-time |
| 2000 coins | $1.99 | one-time |
| Beginner's Bundle | $1.99 | one-time |
| Adventure Bundle | $2.99 | one-time |
| 400 diamonds | $4.99 | one-time |
| 8000 coins | $4.99 | one-time |
| 1000 diamonds | $9.99 | one-time |
| 20000 coins | $9.99 | one-time |
| Master Bundle | $9.99 | one-time |


## Frequently asked questions

### Is Pixel.Fun2 free?

Pixel.Fun2 is free to download, with in-app purchases available.

### Is Nanogram Puzzle Challenge free?

Nanogram Puzzle Challenge is free to download, with in-app purchases available.

### Which has better reviews, Pixel.Fun2 or Nanogram Puzzle Challenge?

Nanogram Puzzle Challenge is rated higher. Pixel.Fun2 averages 3.7 out of 5 from 118 ratings, while Nanogram Puzzle Challenge averages 4.6 from 10 ratings.

### Do Pixel.Fun2 or Nanogram Puzzle Challenge have ads?

Both Pixel.Fun2 and Nanogram Puzzle Challenge show ads.

### Which is updated more often, Pixel.Fun2 or Nanogram Puzzle Challenge?

Pixel.Fun2 ships an update every 3 months, and Nanogram Puzzle Challenge fortnightly. Most recently, Pixel.Fun2 was updated on November 7, 2026 and Nanogram Puzzle Challenge on November 3, 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.*