# 難関年号 世界史トレーニング vs continue_

The clearest difference is review sentiment: continue_ at 95% against 難関年号 世界史トレーニング's 50%. continue_ also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

難関年号 世界史トレーニング ships an update every 3 weeks, continue_ every 2 days. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 難関年号 世界史トレーニング | continue_ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **95.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 20 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Soma Nishihara](https://appshunter.io/developer/6776702628) | [Koshi Morikawa](https://appshunter.io/developer/6788950129) |

## What reviewers say

### 難関年号 世界史トレーニング

[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:** none


### continue_

[App page](https://appshunter.io/ios/app/continue/id6788950127)

Build your English vocabulary daily through stacked learning. Master words with multiple-choice quizzes and spaced repetition, covering basic to advanced levels. Track your progress and streaks to stay motivated.

**Highlights:** Daily vocabulary building, Multiple-choice quizzes, Spaced repetition system (SRS), Advanced vocabulary for university levels, Pronunciation playback, Wordbook, Study progress and streak visualization

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

**In-app purchases:** none


## Frequently asked questions

### Is 難関年号 世界史トレーニング free?

難関年号 世界史トレーニング is free to download, with no in-app purchases.

### Is continue_ free?

continue_ is free to download, with no in-app purchases.

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

難関年号 世界史トレーニング shows ads; continue_ does not.

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

難関年号 世界史トレーニング ships an update every 3 weeks, and continue_ every 2 days. Most recently, 難関年号 世界史トレーニング was updated on October 10, 2026 and continue_ on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*