# Look@古文単語337 / 増補版 vs 世界史年号問題

The clearest difference is in-app purchases: Look@古文単語337 / 増補版 at none against 世界史年号問題's 1. Look@古文単語337 / 増補版 also leads on ads (none vs shown) and iOS requirement (10.0 vs 16.6). 世界史年号問題's advantage is update cadence (every 3 weeks vs every 3 months) and review sentiment (82% vs 65%). On price and device support there is nothing between them.

Both are free to download. 世界史年号問題 sells 1 one-off in-app purchase. Look@古文単語337 / 増補版 asks for nothing beyond the download.

Look@古文単語337 / 増補版 ships an update every 3 months, 世界史年号問題 every 3 weeks. The most recent releases landed on June 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Look@古文単語337 / 増補版 | 世界史年号問題 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 65.0% of reviews | **82.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 13 MB | 15 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社 啓隆社](https://appshunter.io/developer/1720895267) | [Akira Fujisawa](https://appshunter.io/developer/1533514621) |

## What reviewers say

### Look@古文単語337 / 増補版

[App page](https://appshunter.io/ios/app/look337/id1328242016)

This app helps you efficiently learn classical Japanese vocabulary. It offers flashcards with illustrations and quizzes to test your knowledge, allowing you to review missed words later. You can also specify word ranges based on a physical textbook.

**Highlights:** Vocabulary flashcards with illustrations, Multiple-choice quizzes, Personalized "My Wordbook" for review, Specify word range by textbook page, Track progress by part of speech

**Features:** macOS Compatibility

**In-app purchases:** none


### 世界史年号問題

[App page](https://appshunter.io/ios/app/id1591797286)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $4.99 | one-time |


## Frequently asked questions

### Is Look@古文単語337 / 増補版 free?

Look@古文単語337 / 増補版 is free to download, with no in-app purchases.

### Is 世界史年号問題 free?

世界史年号問題 is free to download, with in-app purchases available.

### Do Look@古文単語337 / 増補版 or 世界史年号問題 have ads?

世界史年号問題 shows ads; Look@古文単語337 / 増補版 does not.

### Which is updated more often, Look@古文単語337 / 増補版 or 世界史年号問題?

Look@古文単語337 / 増補版 ships an update every 3 months, and 世界史年号問題 every 3 weeks. Most recently, Look@古文単語337 / 増補版 was updated on June 6, 2026 and 世界史年号問題 on September 26, 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.*