# zero numbers. brain/math games vs SOINSU math puzzle

The clearest difference is in-app purchases: zero numbers. brain/math games at none against SOINSU math puzzle's 2. zero numbers. brain/math games also leads on update cadence (every 2 days vs weekly). SOINSU math puzzle's advantage is review sentiment (90% vs 75%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SOINSU math puzzle sells 2 one-off in-app purchases. zero numbers. brain/math games asks for nothing beyond the download.

zero numbers. brain/math games ships an update every 2 days, SOINSU math puzzle weekly. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | zero numbers. brain/math games | SOINSU math puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zero-numbers-brainmath-games/id1662339712/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 75.0% of reviews | **90.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 63 MB | 105 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MINERVA K.K.](https://appshunter.io/developer/1597905460) | [GAIBAKO co., Ltd.](https://appshunter.io/developer/1548482925) |

## What reviewers say

### zero numbers. brain/math games

[App page](https://appshunter.io/ios/app/zero-numbers-brainmath-games/id1662339712)

This challenging puzzle game enhances math skills and cognitive abilities through unique number-combining mechanics. It features 19 levels designed to improve memory, focus, and logical thinking for adults who enjoy complex problems.

**Highlights:** Improves brain function, Educational puzzle, Trains concentration, Boosts IQ, Develops mathematical thinking, Offline play available

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

**In-app purchases:** none


### SOINSU math puzzle

[App page](https://appshunter.io/ios/app/soinsu-math-puzzle/id6444055103)

Engage in a brain-training puzzle game focused on prime factorization. Anyone can learn the fun of numbers through this simple, time-killing activity. Enjoy the challenge of dividing numbers into prime factors with a high-tempo soundtrack.

**Highlights:** Prime factorization gameplay, Brain training puzzles, Mental arithmetic practice, Cyber visuals, Trance music soundtrack, Multiple game modes, Prime number collection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add no time limit mode | $0.99 | one-time |
| Hidden Ads | $2.99 | one-time |


## Frequently asked questions

### Is zero numbers. brain/math games free?

zero numbers. brain/math games is free to download, with no in-app purchases.

### Is SOINSU math puzzle free?

SOINSU math puzzle is free to download, with in-app purchases available.

### Do zero numbers. brain/math games or SOINSU math puzzle have ads?

Both zero numbers. brain/math games and SOINSU math puzzle show ads.

### Which is updated more often, zero numbers. brain/math games or SOINSU math puzzle?

zero numbers. brain/math games ships an update every 2 days, and SOINSU math puzzle weekly. Most recently, zero numbers. brain/math games was updated on September 21, 2026 and SOINSU math puzzle on September 9, 2026.

---

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