# Sugoku vs 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル

The clearest difference is in-app purchases: 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル at none against Sugoku's 1. 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル also leads on ads (none vs shown). Sugoku's advantage is update cadence (every 3 days vs every 10 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sugoku sells 1 one-off in-app purchase. 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル asks for nothing beyond the download.

Sugoku ships an update every 3 days, 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル every 10 days. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sugoku | 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 485 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ryo otsuka](https://appshunter.io/developer/6788628020) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## 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 (1)**

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


### 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル

[App page](https://appshunter.io/ios/app/123/id6801984949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sugoku free?

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

### Is 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル free?

中学数学 中1中2中3の苦手をさかのぼって解き直すドリル is free to download, with no in-app purchases.

### Do Sugoku or 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル have ads?

Sugoku shows ads; 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル does not.

### Which is updated more often, Sugoku or 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル?

Sugoku ships an update every 3 days, and 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル every 10 days. Most recently, Sugoku was updated on October 16, 2026 and 中学数学 中1中2中3の苦手をさかのぼって解き直すドリル on October 17, 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.*