# 正規表現(Regular Expression) vs ITエンジニアのための英単語

The clearest difference is ads: ITエンジニアのための英単語 at none against 正規表現(Regular Expression)'s shown. ITエンジニアのための英単語 also leads on update cadence (every 2 weeks vs every 8 months). 正規表現(Regular Expression)'s advantage is iOS requirement (14.0 vs 16.4). 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.

正規表現(Regular Expression) ships an update every 8 months, ITエンジニアのための英単語 every 2 weeks. The most recent releases landed on September 26, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 正規表現(Regular Expression) | ITエンジニアのための英単語 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Size | 14 MB | 11 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Sato](https://appshunter.io/developer/1514602166) | [Hiroaki Toya](https://appshunter.io/developer/1515661642) |

## What reviewers say

### 正規表現(Regular Expression)

[App page](https://appshunter.io/ios/app/regular-expression/id1529795657)

**Features:** macOS Compatibility

**In-app purchases:** none


### ITエンジニアのための英単語

[App page](https://appshunter.io/ios/app/it/id6475651804)

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

**In-app purchases:** none


## Frequently asked questions

### Is 正規表現(Regular Expression) free?

正規表現(Regular Expression) is free to download, with no in-app purchases.

### Is ITエンジニアのための英単語 free?

ITエンジニアのための英単語 is free to download, with no in-app purchases.

### Do 正規表現(Regular Expression) or ITエンジニアのための英単語 have ads?

正規表現(Regular Expression) shows ads; ITエンジニアのための英単語 does not.

### Which is updated more often, 正規表現(Regular Expression) or ITエンジニアのための英単語?

正規表現(Regular Expression) ships an update every 8 months, and ITエンジニアのための英単語 every 2 weeks. Most recently, 正規表現(Regular Expression) was updated on September 26, 2026 and ITエンジニアのための英単語 on September 28, 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.*