# Sugoku vs ゆるSPI

The clearest difference is ads: ゆるSPI at none against Sugoku's shown. ゆるSPI also leads on update cadence (daily vs every 5 days) and iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Sugoku sells 3 in-app purchases, starting at $2.99 per month and ゆるSPI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sugoku ships an update every 5 days, ゆるSPI daily. Both last shipped on November 10, 2026.

## The numbers

| Metric | Sugoku | ゆるSPI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Daily** |
| Size | 480 MB | 199 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ryo otsuka](https://appshunter.io/developer/6788628020) | [KAORI YAMAWAKI](https://appshunter.io/developer/1827654606) |

## What reviewers say

### Sugoku

[App page](https://appshunter.io/ios/app/sugoku-math-practice-drills/id6788627418)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $22.99 | per year |
| プレミアムプラン | $1.99 | one-time |


### ゆるSPI

[App page](https://appshunter.io/ios/app/spi/id6800965787)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $1.99 | one-time |


## Frequently asked questions

### Is Sugoku free?

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

### Is ゆるSPI free?

ゆるSPI is free to download, with in-app purchases available.

### Do Sugoku or ゆるSPI have ads?

Sugoku shows ads; ゆるSPI does not.

### Which is updated more often, Sugoku or ゆるSPI?

Sugoku ships an update every 5 days, and ゆるSPI daily. Most recently, Sugoku was updated on November 10, 2026 and ゆるSPI on November 10, 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.*