# 英検1級 語源で覚える英単語帳アプリ 語彙問題編 vs 記憶KEEPER

The clearest difference is price: 記憶KEEPER at Free against 英検1級 語源で覚える英単語帳アプリ 語彙問題編's $4.99. 記憶KEEPER also leads on update cadence (every 3 days vs every 2 months). 英検1級 語源で覚える英単語帳アプリ 語彙問題編's advantage is iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

記憶KEEPER is free to download; 英検1級 語源で覚える英単語帳アプリ 語彙問題編 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

英検1級 語源で覚える英単語帳アプリ 語彙問題編 ships an update every 2 months, 記憶KEEPER every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 英検1級 語源で覚える英単語帳アプリ 語彙問題編 | 記憶KEEPER |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 23 MB | 4 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kotobaz](https://appshunter.io/developer/1634727152) | [nao watanabe](https://appshunter.io/developer/1896686911) |

## What reviewers say

### 英検1級 語源で覚える英単語帳アプリ 語彙問題編

[App page](https://appshunter.io/ios/app/1/id6766280068)

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

**In-app purchases:** none


### 記憶KEEPER

[App page](https://appshunter.io/ios/app/keeper/id6769772312)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 英検1級 語源で覚える英単語帳アプリ 語彙問題編 free?

英検1級 語源で覚える英単語帳アプリ 語彙問題編 costs $4.99, with no in-app purchases.

### Is 記憶KEEPER free?

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

### Do 英検1級 語源で覚える英単語帳アプリ 語彙問題編 or 記憶KEEPER have ads?

Neither 英検1級 語源で覚える英単語帳アプリ 語彙問題編 nor 記憶KEEPER shows ads.

### Which is updated more often, 英検1級 語源で覚える英単語帳アプリ 語彙問題編 or 記憶KEEPER?

英検1級 語源で覚える英単語帳アプリ 語彙問題編 ships an update every 2 months, and 記憶KEEPER every 3 days. Most recently, 英検1級 語源で覚える英単語帳アプリ 語彙問題編 was updated on October 31, 2026 and 記憶KEEPER 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.*