# コード学習 vs dev HTML Playground

The clearest difference is update cadence: dev HTML Playground at weekly against コード学習's every 9 months. コード学習's advantage is iOS requirement (15.2 vs 17.0). On price, ads, 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.

コード学習 ships an update every 9 months, dev HTML Playground weekly. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | コード学習 | dev HTML Playground |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Size | 2 MB | 3 MB |
| Requires iOS | **15.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Kuniaki Fujimoto](https://appshunter.io/developer/1585749122) | [KOICHIRO YAMAMOTO](https://appshunter.io/developer/1191754397) |

## What reviewers say

### コード学習

[App page](https://appshunter.io/ios/app/id6755072920)

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

**In-app purchases:** none


### dev HTML Playground

[App page](https://appshunter.io/ios/app/dev-html-playground-web-ide/id6788730344)

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

**In-app purchases:** none


## Frequently asked questions

### Is コード学習 free?

コード学習 is free to download, with no in-app purchases.

### Is dev HTML Playground free?

dev HTML Playground is free to download, with no in-app purchases.

### Do コード学習 or dev HTML Playground have ads?

Neither コード学習 nor dev HTML Playground shows ads.

### Which is updated more often, コード学習 or dev HTML Playground?

コード学習 ships an update every 9 months, and dev HTML Playground weekly. Most recently, コード学習 was updated on September 17, 2026 and dev HTML Playground on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*