# Practable vs 世界史 難関年号トレーニング

The clearest difference is iOS requirement: 世界史 難関年号トレーニング at 16.4 against Practable's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Practable sells 3 in-app purchases, starting at $0.99 per month and 世界史 難関年号トレーニング sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Practable ships an update every 8 days, 世界史 難関年号トレーニング fortnightly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Practable | 世界史 難関年号トレーニング |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 45 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Colorful Wallet Inc.](https://appshunter.io/developer/1709012017) | [Soma Nishihara](https://appshunter.io/developer/6776702628) |

## What reviewers say

### Practable

[App page](https://appshunter.io/ios/app/practable-for-musicians/id6755648968)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto-save Plan | $0.99 | per month |
| Bookmark Plan | $0.99 | per month |
| Gold Plan | $1.99 | per month |


### 世界史 難関年号トレーニング

[App page](https://appshunter.io/ios/app/id6776702626)

Master historical dates for university entrance exams with this comprehensive quiz app. It offers multiple study modes, including flashcards and timed challenges, with over 2400 questions to improve your world history knowledge.

**Highlights:** Over 2400 date-based questions, Four-choice quizzes (date to event, event to date), Direct year input mode, Flashcard system with swipe gestures, Timed attack mode with rankings, Review system with progress tracking, Filter by region, era, and importance

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AIライト（1か月） | $4.99 | per month |
| AIライト（3か月） | $6.99 | per 3 months |
| AIプラス（1か月） | $7.99 | per month |
| AIプラス（3か月） | $9.99 | per 3 months |
| AIライト（6か月） | $24.99 | per 6 months |
| AIプラス（6か月） | $39.99 | per 6 months |
| マスターへアップグレード | $2.99 | one-time |
| 年号一覧PDF（解説あり・なし） | $5.99 | one-time |
| マスターへアップグレード | $6.99 | one-time |
| マスターへアップグレード | $9.99 | one-time |


## Frequently asked questions

### Is Practable free?

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

### Is 世界史 難関年号トレーニング free?

世界史 難関年号トレーニング is free to download, with in-app purchases available.

### Do Practable or 世界史 難関年号トレーニング have ads?

Both Practable and 世界史 難関年号トレーニング show ads.

### Which is updated more often, Practable or 世界史 難関年号トレーニング?

Practable ships an update every 8 days, and 世界史 難関年号トレーニング fortnightly. Most recently, Practable was updated on October 28, 2026 and 世界史 難関年号トレーニング on October 31, 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.*