# Coin Line vs SOINSU math puzzle

The clearest difference is update cadence: SOINSU math puzzle at weekly against Coin Line's every 10 months. Coin Line's advantage is iOS requirement (10.0 vs 12.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Coin Line sells 1 one-off in-app purchase and SOINSU math puzzle sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Coin Line ships an update every 10 months, SOINSU math puzzle weekly. The most recent releases landed on October 31, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Coin Line | SOINSU math puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (8 ratings)](https://appshunter.io/ios/app/coin-line/id1034146675/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 88.5% of reviews | **90.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 105 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keaton.com](https://appshunter.io/developer/464191934) | [GAIBAKO co., Ltd.](https://appshunter.io/developer/1548482925) |

## What reviewers say

### Coin Line

[App page](https://appshunter.io/ios/app/coin-line/id1034146675)

A brain-training puzzle game where you merge coins of the same value to create higher denominations. Strategically switch and pile coins to clear them and achieve high scores, with five different currencies and special coins to aid your progress.

**Highlights:** Coin merging mechanics, Five different currencies, Special coins with bonus effects, Upgrade system for gameplay enhancements, World ranking leaderboards, Brain training puzzle gameplay

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $2.99 | one-time |


### 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 Coin Line free?

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

### Is SOINSU math puzzle free?

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

### Do Coin Line or SOINSU math puzzle have ads?

Both Coin Line and SOINSU math puzzle show ads.

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

Coin Line ships an update every 10 months, and SOINSU math puzzle weekly. Most recently, Coin Line was updated on October 31, 2026 and SOINSU math puzzle on October 27, 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.*