# 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 vs Slango

The clearest difference is update cadence: 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 at every 5 days against Slango's every 9 days. Slango's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 sells 3 one-off in-app purchases and Slango sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

世界史 年号 語呂合わせ｜暗記アプリ 受験対策 ships an update every 5 days, Slango every 9 days. The most recent releases landed on October 10, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 | Slango |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Hajime App Lab](https://appshunter.io/developer/1704838092) | [Yuito Ukita](https://appshunter.io/developer/6779112243) |

## What reviewers say

### 世界史 年号 語呂合わせ｜暗記アプリ 受験対策

[App page](https://appshunter.io/ios/app/id6760818433)

Master 300 key historical dates with mnemonics and spaced repetition. This app helps students and lifelong learners retain historical events for exams and general knowledge. Progress is tracked visually with motivational elements.

**Highlights:** 300 historical dates with mnemonics, Spaced repetition learning (SM-2 algorithm), Customizable mnemonics and notes, Progress tracking and streaks, Bookmark and random review modes, Visually appealing design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $3.99 | one-time |
| 全問題パック | $3.99 | one-time |
| 広告削除+全問題パック | $5.99 | one-time |


### Slango

[App page](https://appshunter.io/ios/app/slango/id6789338636)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slangoプレミアム | $1.99 | one-time |


## Frequently asked questions

### Is 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 free?

世界史 年号 語呂合わせ｜暗記アプリ 受験対策 is free to download, with in-app purchases available.

### Is Slango free?

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

### Do 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 or Slango have ads?

Both 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 and Slango show ads.

### Which is updated more often, 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 or Slango?

世界史 年号 語呂合わせ｜暗記アプリ 受験対策 ships an update every 5 days, and Slango every 9 days. Most recently, 世界史 年号 語呂合わせ｜暗記アプリ 受験対策 was updated on October 10, 2026 and Slango on October 21, 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.*