# 2357! vs SOINSU math puzzle

The clearest difference is in-app purchases: 2357! at none against SOINSU math puzzle's 2. 2357! also leads on ads (none vs shown) and iOS requirement (7.0 vs 12.0). SOINSU math puzzle's advantage is update cadence (weekly vs every 2 weeks). On price, review sentiment and device support there is nothing between them.

Both are free to download. SOINSU math puzzle sells 2 one-off in-app purchases. 2357! asks for nothing beyond the download.

2357! ships an update every 2 weeks, SOINSU math puzzle weekly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 2357! | SOINSU math puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/2357/id1079318619/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 89.5% of reviews | **90.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 156 MB | 105 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [GAIBAKO co., Ltd.](https://appshunter.io/developer/1548482925) |

## What reviewers say

### 2357!

[App page](https://appshunter.io/ios/app/2357/id1079318619)

Engage in a fast-paced division battle game where you destroy target numbers using prime factor combinations within a 60-second time limit. Improve your calculating skills and compete globally in this brain-training puzzle.

**Highlights:** 60-second division battles, Destroy target numbers with prime factors, Score multipliers for simultaneous throws, Global ranking competition, Brain training and calculation skill improvement, Intuitive and easy one-hand play

**Features:** macOS Compatibility

**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 2357! free?

2357! 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 2357! or SOINSU math puzzle have ads?

SOINSU math puzzle shows ads; 2357! does not.

### Which is updated more often, 2357! or SOINSU math puzzle?

2357! ships an update every 2 weeks, and SOINSU math puzzle weekly. Most recently, 2357! was updated on October 24, 2026 and SOINSU math puzzle on October 27, 2026.

---

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