# Nanogram Puzzle Challenge vs EduTouch

The clearest difference is in-app purchases: EduTouch at none against Nanogram Puzzle Challenge's 13. EduTouch also leads on ads (none vs shown) and update cadence (daily vs fortnightly). Nanogram Puzzle Challenge's advantage is iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Nanogram Puzzle Challenge sells 13 in-app purchases, starting at $9.99 per 7 days. EduTouch asks for nothing beyond the download.

Nanogram Puzzle Challenge ships an update fortnightly, EduTouch daily. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Nanogram Puzzle Challenge | EduTouch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/nanogram-puzzle-challenge/id1550543755/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 149 MB | 25 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beijing ZJCYOU Technology Co., Ltd](https://appshunter.io/developer/1126239607) | [youngchil cho](https://appshunter.io/developer/868612955) |

## What reviewers say

### 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 (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP(week) | $9.99 | per 7 days |
| VIP(month) | $19.99 | per month |
| VIP(year) | $49.99 | per year |
| 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 |
| 42000 coins | $19.99 | one-time |


### EduTouch

[App page](https://appshunter.io/ios/app/edutouch/id6451488081)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nanogram Puzzle Challenge free?

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

### Is EduTouch free?

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

### Do Nanogram Puzzle Challenge or EduTouch have ads?

Nanogram Puzzle Challenge shows ads; EduTouch does not.

### Which is updated more often, Nanogram Puzzle Challenge or EduTouch?

Nanogram Puzzle Challenge ships an update fortnightly, and EduTouch daily. Most recently, Nanogram Puzzle Challenge was updated on October 24, 2026 and EduTouch on October 30, 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.*