# ぜったい覚える！英検１級単語帳 vs 上級英語五秒鍛錬

The clearest difference is update cadence: 上級英語五秒鍛錬 at every 2 weeks against ぜったい覚える！英検１級単語帳's every 21 months. ぜったい覚える！英検１級単語帳's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

ぜったい覚える！英検１級単語帳 ships an update every 21 months, 上級英語五秒鍛錬 every 2 weeks. The most recent releases landed on July 18, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | ぜったい覚える！英検１級単語帳 | 上級英語五秒鍛錬 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Size | 70 MB | 39 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ben Walker](https://appshunter.io/developer/385443776) | [Taiki Saito](https://appshunter.io/developer/995768398) |

## What reviewers say

### ぜったい覚える！英検１級単語帳

[App page](https://appshunter.io/ios/app/id1295749587)

**Features:** macOS Compatibility

**In-app purchases:** none


### 上級英語五秒鍛錬

[App page](https://appshunter.io/ios/app/toeic/id6766261076)

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

**In-app purchases:** none


## Frequently asked questions

### Is ぜったい覚える！英検１級単語帳 free?

ぜったい覚える！英検１級単語帳 is free to download, with no in-app purchases.

### Is 上級英語五秒鍛錬 free?

上級英語五秒鍛錬 is free to download, with no in-app purchases.

### Do ぜったい覚える！英検１級単語帳 or 上級英語五秒鍛錬 have ads?

Both ぜったい覚える！英検１級単語帳 and 上級英語五秒鍛錬 show ads.

### Which is updated more often, ぜったい覚える！英検１級単語帳 or 上級英語五秒鍛錬?

ぜったい覚える！英検１級単語帳 ships an update every 21 months, and 上級英語五秒鍛錬 every 2 weeks. Most recently, ぜったい覚える！英検１級単語帳 was updated on July 18, 2026 and 上級英語五秒鍛錬 on September 18, 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.*