# 正規表現(Regular Expression) vs 篩って！正規表現（コース対応版）

The clearest difference is ads: 篩って！正規表現（コース対応版） at none against 正規表現(Regular Expression)'s shown. 正規表現(Regular Expression)'s advantage is update cadence (every 8 months vs every 27 months). On price, in-app purchases, device support and iOS requirement 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, 篩って！正規表現（コース対応版） every 27 months. Both last shipped on September 26, 2026.

## The numbers

| Metric | 正規表現(Regular Expression) | 篩って！正規表現（コース対応版） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 8 months** | Every 27 months |
| Size | 14 MB | 23 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Sato](https://appshunter.io/developer/1514602166) | [KATSUNARI NEMOTO](https://appshunter.io/developer/1569116706) |

## 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


### 篩って！正規表現（コース対応版）

[App page](https://appshunter.io/ios/app/id1582184646)

**Features:** macOS Compatibility

**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 篩って！正規表現（コース対応版） free?

篩って！正規表現（コース対応版） is free to download, with no in-app purchases.

### Do 正規表現(Regular Expression) or 篩って！正規表現（コース対応版） have ads?

正規表現(Regular Expression) shows ads; 篩って！正規表現（コース対応版） does not.

### Which is updated more often, 正規表現(Regular Expression) or 篩って！正規表現（コース対応版）?

正規表現(Regular Expression) ships an update every 8 months, and 篩って！正規表現（コース対応版） every 27 months. Most recently, 正規表現(Regular Expression) was updated on September 26, 2026 and 篩って！正規表現（コース対応版） on September 26, 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.*