# Irregular Verb Drill vs 日本の地理を覚える都道府県クイズ

The clearest difference is in-app purchases: Irregular Verb Drill at none against 日本の地理を覚える都道府県クイズ's 1. Irregular Verb Drill also leads on review sentiment (79% vs 71%) and iOS requirement (15.6 vs 17.6). 日本の地理を覚える都道府県クイズ's advantage is update cadence (every 2 months vs every 34 months). On price, ads and device support there is nothing between them.

Both are free to download. 日本の地理を覚える都道府県クイズ sells 1 one-off in-app purchase. Irregular Verb Drill asks for nothing beyond the download.

Irregular Verb Drill ships an update every 34 months, 日本の地理を覚える都道府県クイズ every 2 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Irregular Verb Drill | 日本の地理を覚える都道府県クイズ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (8 ratings)](https://appshunter.io/ios/app/irregular-verb-drill/id889667727/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **78.9% of reviews** | 70.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 34 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 60 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazunari Hiyoshi](https://appshunter.io/developer/517438375) | [kenji kiuchi](https://appshunter.io/developer/553473005) |

## What reviewers say

### Irregular Verb Drill

[App page](https://appshunter.io/ios/app/irregular-verb-drill/id889667727)

Practice English irregular verbs with this interactive test app. Input correct answers by touching key buttons. Utilize brush-up mode to focus on questions you frequently get wrong.

**Highlights:** Irregular verb testing, Interactive input, Brush-up mode for weaknesses, Focus on incorrect answers

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

**In-app purchases:** none


### 日本の地理を覚える都道府県クイズ

[App page](https://appshunter.io/ios/app/id1261358718)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の削除 | $9.99 | one-time |


## Frequently asked questions

### Is Irregular Verb Drill free?

Irregular Verb Drill is free to download, with no in-app purchases.

### Is 日本の地理を覚える都道府県クイズ free?

日本の地理を覚える都道府県クイズ is free to download, with in-app purchases available.

### Do Irregular Verb Drill or 日本の地理を覚える都道府県クイズ have ads?

Both Irregular Verb Drill and 日本の地理を覚える都道府県クイズ show ads.

### Which is updated more often, Irregular Verb Drill or 日本の地理を覚える都道府県クイズ?

Irregular Verb Drill ships an update every 34 months, and 日本の地理を覚える都道府県クイズ every 2 months. Most recently, Irregular Verb Drill was updated on October 26, 2026 and 日本の地理を覚える都道府県クイズ on October 28, 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.*