# A単 vs 英単語の語源大全

The clearest difference is ads: A単 at none against 英単語の語源大全's shown. A単 also leads on iOS requirement (11.0 vs 13.0). 英単語の語源大全's advantage is update cadence (every 5 days vs every 12 months). On price, in-app purchases and device support there is nothing between them.

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

A単 ships an update every 12 months, 英単語の語源大全 every 5 days. The most recent releases landed on September 20, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | A単 | 英単語の語源大全 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 5 days** |
| Size | 18 MB | 50 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jazz Soft, Inc.](https://appshunter.io/developer/1439040352) | [Kazuhiro.Yamada](https://appshunter.io/developer/412842594) |

## What reviewers say

### A単

[App page](https://appshunter.io/ios/app/a/id1493717408)

**Features:** macOS Compatibility

**In-app purchases:** none


### 英単語の語源大全

[App page](https://appshunter.io/ios/app/id1645815600)

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

**In-app purchases:** none


## Frequently asked questions

### Is A単 free?

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

### Is 英単語の語源大全 free?

英単語の語源大全 is free to download, with no in-app purchases.

### Do A単 or 英単語の語源大全 have ads?

英単語の語源大全 shows ads; A単 does not.

### Which is updated more often, A単 or 英単語の語源大全?

A単 ships an update every 12 months, and 英単語の語源大全 every 5 days. Most recently, A単 was updated on September 20, 2026 and 英単語の語源大全 on August 17, 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.*