# Ninihex vs Chempuz

The clearest difference is in-app purchases: Ninihex at none against Chempuz's 2. Ninihex also leads on ads (none vs shown). Chempuz's advantage is update cadence (every 5 weeks vs every 4 months). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. Chempuz sells 2 one-off in-app purchases. Ninihex asks for nothing beyond the download.

Ninihex ships an update every 4 months, Chempuz every 5 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ninihex | Chempuz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/ninihex/id665700343/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 57 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [TomatoAppLab](https://appshunter.io/developer/1676711750) |

## What reviewers say

### Ninihex

[App page](https://appshunter.io/ios/app/ninihex/id665700343)

A colorful puzzle game where players break blocks by creating sandwiches of the same color. It offers a simple yet engaging gameplay experience for quick gaming sessions.

**Highlights:** Block breaking puzzle, Same-color matching, Sandwiching mechanic, Simple gameplay

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

**In-app purchases:** none


### Chempuz

[App page](https://appshunter.io/ios/app/chempuz/id6446211267)

Learn organic chemistry basics by creating molecules and completing puzzles. Trace functional groups to build compounds, score higher with complex structures, and use flashcards to memorize names. Enjoy learning through engaging gameplay.

**Highlights:** Create organic molecules by tracing functional groups, Build approximately 100 types of organic molecules, Score higher with more complex compound creation, Collect discovered compounds, Memorize molecule names with flashcards, Learn organic chemistry through gameplay

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 gem | $0.29 | one-time |
| 10 gems | $1.99 | one-time |


## Frequently asked questions

### Is Ninihex free?

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

### Is Chempuz free?

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

### Do Ninihex or Chempuz have ads?

Chempuz shows ads; Ninihex does not.

### Which is updated more often, Ninihex or Chempuz?

Ninihex ships an update every 4 months, and Chempuz every 5 weeks. Most recently, Ninihex was updated on October 15, 2026 and Chempuz on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*