# RDM写码器 vs ZOLAR

The clearest difference is iOS requirement: RDM写码器 at 8.0 against ZOLAR's 13.1. On price, update cadence, 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, ZOLAR every 2 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RDM写码器 | ZOLAR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 23 MB | 24 MB |
| Requires iOS | **8.0** | 13.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [少昌 黄](https://appshunter.io/developer/1482588766) | [ImagineVision Tech Co., Ltd](https://appshunter.io/developer/714626279) |

## 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


### ZOLAR

[App page](https://appshunter.io/ios/app/zolar/id1617385822)

**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 ZOLAR free?

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

### Do RDM写码器 or ZOLAR have ads?

Neither RDM写码器 nor ZOLAR shows ads.

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

RDM写码器 ships an update every 6 weeks, and ZOLAR every 2 months. Most recently, RDM写码器 was updated on October 1, 2026 and ZOLAR on October 7, 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.*