# Number Place Auto Solver vs Chempuz

The clearest difference is in-app purchases: Number Place Auto Solver at none against Chempuz's 2. On price, update cadence, ads and device support there is nothing between them.

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

Number Place Auto Solver ships an update every 2 months, Chempuz every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Number Place Auto Solver | Chempuz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 57 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HIROSHI IMAJO](https://appshunter.io/developer/1424334293) | [TomatoAppLab](https://appshunter.io/developer/1676711750) |

## What reviewers say

### Number Place Auto Solver

[App page](https://appshunter.io/ios/app/number-place-auto-solver/id1450277030)

**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 Number Place Auto Solver free?

Number Place Auto Solver is free to download, with no in-app purchases.

### Is Chempuz free?

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

### Do Number Place Auto Solver or Chempuz have ads?

Both Number Place Auto Solver and Chempuz show ads.

### Which is updated more often, Number Place Auto Solver or Chempuz?

Number Place Auto Solver ships an update every 2 months, and Chempuz every 5 weeks. Most recently, Number Place Auto Solver was updated on November 2, 2026 and Chempuz 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.*