# RDM写码器 vs RHStarLink

The clearest difference is update cadence: RHStarLink at weekly against RDM写码器's every 6 weeks. RDM写码器's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RDM写码器 ships an update every 6 weeks, RHStarLink weekly. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | RDM写码器 | RHStarLink |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 23 MB | 7 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [少昌 黄](https://appshunter.io/developer/1482588766) | [Beijing Ruiheng Sida Technology Co., Ltd.](https://appshunter.io/developer/1578660262) |

## What reviewers say

### RDM写码器

[App page](https://appshunter.io/ios/app/rdm/id1487361715)

This utility app simplifies the process of writing DMX512 addresses for lighting fixtures that support the RDM protocol. It offers automatic addressing, address list saving, and sorting functionalities. Users can identify, write, modify channels, and view device information.

**Highlights:** RDM protocol DMX512 address writing, Automatic address writing, Save address lists, Sorting functionality, Identify and modify channels, View device information

**Features:** macOS Compatibility

**In-app purchases:** none


### RHStarLink

[App page](https://appshunter.io/ios/app/rhstarlink/id6736733520)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RDM写码器 free?

RDM写码器 is free to download, with no in-app purchases.

### Is RHStarLink free?

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

### Do RDM写码器 or RHStarLink have ads?

Neither RDM写码器 nor RHStarLink shows ads.

### Which is updated more often, RDM写码器 or RHStarLink?

RDM写码器 ships an update every 6 weeks, and RHStarLink weekly. Most recently, RDM写码器 was updated on June 1, 2026 and RHStarLink on September 10, 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.*