# 正規表現(Regular Expression) vs HTML Quiz

The clearest difference is in-app purchases: 正規表現(Regular Expression) at none against HTML Quiz's 3. HTML Quiz's advantage is update cadence (every 2 weeks vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HTML Quiz sells 3 in-app purchases, starting at $0.99 per 7 days. 正規表現(Regular Expression) asks for nothing beyond the download.

正規表現(Regular Expression) ships an update every 8 months, HTML Quiz every 2 weeks. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | 正規表現(Regular Expression) | HTML Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 82 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Sato](https://appshunter.io/developer/1514602166) | [Creatopia Inc.](https://appshunter.io/developer/1523447963) |

## 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


### HTML Quiz

[App page](https://appshunter.io/ios/app/html-quiz-learn-with-ai/id6738896756)

Learn HTML quickly through engaging, game-like quizzes. An AI personalizes your learning path and offers instant help when you're stuck. Master programming skills in just 5 minutes a day, from beginner to advanced levels.

**Highlights:** Learn HTML in 5 minutes daily, AI-suggested optimal questions, Interactive AI Teacher for explanations, Questions for all skill levels, Gamified learning experience, Progress tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $29.99 | per year |


## 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 HTML Quiz free?

HTML Quiz is free to download, with in-app purchases available.

### Do 正規表現(Regular Expression) or HTML Quiz have ads?

Both 正規表現(Regular Expression) and HTML Quiz show ads.

### Which is updated more often, 正規表現(Regular Expression) or HTML Quiz?

正規表現(Regular Expression) ships an update every 8 months, and HTML Quiz every 2 weeks. Most recently, 正規表現(Regular Expression) was updated on September 26, 2026 and HTML Quiz on September 25, 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.*