# CodeMaster vs RDB情報

The clearest difference is in-app purchases: RDB情報 at none against CodeMaster's 3. CodeMaster's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. CodeMaster sells 3 in-app purchases, starting at $1.99 per 7 days. RDB情報 asks for nothing beyond the download.

CodeMaster ships an update monthly, RDB情報 every 2 months. The most recent releases landed on September 28, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CodeMaster | RDB情報 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (140 ratings)](https://appshunter.io/ios/app/codemaster-mobile-coding-ide/id1514942957/reviews)** | — |
| Number of ratings | **140** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Subscription | — |
| Size | 1.5 GB | 10 MB |
| Requires iOS | **16** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Dazhuo Information Technology Co., Ltd.](https://appshunter.io/developer/1470341377) | [KAZUTOSHI KINOSHITA](https://appshunter.io/developer/1148380017) |

## What reviewers say

### CodeMaster

[App page](https://appshunter.io/ios/app/codemaster-mobile-coding-ide/id1514942957)

A professional mobile code editor and development tool for iOS. It offers comprehensive code browsing, editing, and management features, along with integrated tools for remote connections, database design, and GitHub integration.

**Highlights:** File management and browser, VS Code core Monaco editor, GitHub integration, Code snippet management, Database design tool, SSH client and SFTP

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Membership | $1.99 | per 7 days |
| Monthly subscription | $3.99 | per month |
| Annual Subscription | $20.99 | per year |


### RDB情報

[App page](https://appshunter.io/ios/app/rdb/id1618715949)

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

**In-app purchases:** none


## Frequently asked questions

### Is CodeMaster free?

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

### Is RDB情報 free?

RDB情報 is free to download, with no in-app purchases.

### Do CodeMaster or RDB情報 have ads?

RDB情報 shows ads; CodeMaster does not.

### Which is updated more often, CodeMaster or RDB情報?

CodeMaster ships an update monthly, and RDB情報 every 2 months. Most recently, CodeMaster was updated on September 28, 2026 and RDB情報 on September 21, 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.*