# DSP 1.8 RC vs DSP MASTER

The clearest difference is update cadence: DSP MASTER at every 4 months against DSP 1.8 RC's every 39 months. 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.

DSP 1.8 RC ships an update every 39 months, DSP MASTER every 4 months. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | DSP 1.8 RC | DSP MASTER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dsp-18-rc/id1284821199/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 27 MB | 6 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rainbow Audio GmbH](https://appshunter.io/developer/1284821198) | [Audio Design](https://appshunter.io/developer/1579008816) |

## What reviewers say

### DSP 1.8 RC

[App page](https://appshunter.io/ios/app/dsp-18-rc/id1284821199)

Control your audio system remotely via WiFi. Stream audio directly to your device. Requires a specific WiFi module accessory.

**Highlights:** Remote control via WiFi, Audio streaming over WiFi, Basic function control, Requires WiFi module accessory

**Features:** macOS Compatibility

**In-app purchases:** none


### DSP MASTER

[App page](https://appshunter.io/ios/app/dsp-master/id6502436875)

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

**In-app purchases:** none


## Frequently asked questions

### Is DSP 1.8 RC free?

DSP 1.8 RC is free to download, with no in-app purchases.

### Is DSP MASTER free?

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

### Do DSP 1.8 RC or DSP MASTER have ads?

Neither DSP 1.8 RC nor DSP MASTER shows ads.

### Which is updated more often, DSP 1.8 RC or DSP MASTER?

DSP 1.8 RC ships an update every 39 months, and DSP MASTER every 4 months. Most recently, DSP 1.8 RC was updated on September 18, 2026 and DSP MASTER on September 17, 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.*