# HTML CSS問題集 vs Docker道場 − 図で学ぶコンテナ入門

The clearest difference is in-app purchases: HTML CSS問題集 at none against Docker道場 − 図で学ぶコンテナ入門's 2. HTML CSS問題集 also leads on update cadence (daily vs every 2 weeks) and iOS requirement (14.0 vs 17.0). Docker道場 − 図で学ぶコンテナ入門's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Docker道場 − 図で学ぶコンテナ入門 sells 2 one-off in-app purchases. HTML CSS問題集 asks for nothing beyond the download.

HTML CSS問題集 ships an update daily, Docker道場 − 図で学ぶコンテナ入門 every 2 weeks. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | HTML CSS問題集 | Docker道場 − 図で学ぶコンテナ入門 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 92 MB | 6 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ayumu tonosaki](https://appshunter.io/developer/1669963115) | [MASAKI TAKEMOTO](https://appshunter.io/developer/6792427282) |

## What reviewers say

### HTML CSS問題集

[App page](https://appshunter.io/ios/app/html-css/id6746333551)

**Features:** macOS Compatibility

**In-app purchases:** none


### Docker道場 − 図で学ぶコンテナ入門

[App page](https://appshunter.io/ios/app/docker/id6792427280)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| レベル5 実務シナリオ編 | $1.99 | one-time |
| 広告非表示 | $2.99 | one-time |


## Frequently asked questions

### Is HTML CSS問題集 free?

HTML CSS問題集 is free to download, with no in-app purchases.

### Is Docker道場 − 図で学ぶコンテナ入門 free?

Docker道場 − 図で学ぶコンテナ入門 is free to download, with in-app purchases available.

### Do HTML CSS問題集 or Docker道場 − 図で学ぶコンテナ入門 have ads?

HTML CSS問題集 shows ads; Docker道場 − 図で学ぶコンテナ入門 does not.

### Which is updated more often, HTML CSS問題集 or Docker道場 − 図で学ぶコンテナ入門?

HTML CSS問題集 ships an update daily, and Docker道場 − 図で学ぶコンテナ入門 every 2 weeks. Most recently, HTML CSS問題集 was updated on October 3, 2026 and Docker道場 − 図で学ぶコンテナ入門 on September 29, 2026.

---

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