# Plusris vs SOINSU math puzzle

The clearest difference is in-app purchases: Plusris at none against SOINSU math puzzle's 2. SOINSU math puzzle's advantage is update cadence (weekly vs every 6 weeks) and review sentiment (90% vs 67%). On price, ads and device support there is nothing between them.

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

Plusris ships an update every 6 weeks, SOINSU math puzzle weekly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Plusris | SOINSU math puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | **90.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 160 MB | 105 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [MASAYOSHI TADA](https://appshunter.io/developer/1474403161) | [GAIBAKO co., Ltd.](https://appshunter.io/developer/1548482925) |

## What reviewers say

### Plusris

[App page](https://appshunter.io/ios/app/plusris/id1474403162)

A free brain training puzzle game where you trace numbers with one finger, add them to make 10, and clear the board. It offers thousands of problems, including daily and weekly challenges, to enhance cognitive skills.

**Highlights:** One-finger gameplay, Brain training puzzles, Addition and number tracing, Thousands of problems, Daily and weekly challenges, Hint system

**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 Plusris free?

Plusris 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 Plusris or SOINSU math puzzle have ads?

Both Plusris and SOINSU math puzzle show ads.

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

Plusris ships an update every 6 weeks, and SOINSU math puzzle weekly. Most recently, Plusris was updated on October 10, 2026 and SOINSU math puzzle on October 13, 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.*