# SOINSU math puzzle vs 1or3

The clearest difference is review sentiment: SOINSU math puzzle at 90% against 1or3's 0%. SOINSU math puzzle also leads on update cadence (weekly vs fortnightly). 1or3's advantage is in-app purchases (none vs 2). 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. 1or3 asks for nothing beyond the download.

SOINSU math puzzle ships an update weekly, 1or3 fortnightly. The most recent releases landed on September 9, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | SOINSU math puzzle | 1or3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **90.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 105 MB | 22 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GAIBAKO co., Ltd.](https://appshunter.io/developer/1548482925) | [Koji Sato](https://appshunter.io/developer/724048840) |

## What reviewers say

### 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 |


### 1or3

[App page](https://appshunter.io/ios/app/1or3/id6447280307)

Connect numbers to reach a target of 1 or 3 in this engaging puzzle game. It offers simple yet strategic gameplay that can be highly addictive. Enjoy a deep and satisfying challenge.

**Highlights:** Number connection gameplay, Strategic depth, Addictive challenge, Simple to learn, Deep gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SOINSU math puzzle free?

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

### Is 1or3 free?

1or3 is free to download, with no in-app purchases.

### Do SOINSU math puzzle or 1or3 have ads?

Both SOINSU math puzzle and 1or3 show ads.

### Which is updated more often, SOINSU math puzzle or 1or3?

SOINSU math puzzle ships an update weekly, and 1or3 fortnightly. Most recently, SOINSU math puzzle was updated on September 9, 2026 and 1or3 on June 4, 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.*