# DSP 1.8 vs Captis

The clearest difference is device support: Captis at 3 against DSP 1.8's 1. DSP 1.8's advantage is iOS requirement (12.0 vs 15.0). 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.

DSP 1.8 ships an update every 39 months, Captis every 20 months. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DSP 1.8 | Captis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dsp-18/id1289173178/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 20 months** |
| Monetization | Free | — |
| Size | 47 MB | 177 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rainbow Audio GmbH](https://appshunter.io/developer/1284821198) | [ONEIL](https://appshunter.io/developer/1649786402) |

## What reviewers say

### DSP 1.8

[App page](https://appshunter.io/ios/app/dsp-18/id1289173178)

Configure and control a specific audio DSP device wirelessly. Stream audio directly over WiFi. Requires a dedicated hardware module for operation.

**Highlights:** Wireless configuration, WiFi audio streaming, DSP device control, Requires WiFi module

**Features:** macOS Compatibility

**In-app purchases:** none


### Captis

[App page](https://appshunter.io/ios/app/captis/id1658335877)

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

**In-app purchases:** none


## Frequently asked questions

### Is DSP 1.8 free?

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

### Is Captis free?

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

### Do DSP 1.8 or Captis have ads?

Neither DSP 1.8 nor Captis shows ads.

### Which is updated more often, DSP 1.8 or Captis?

DSP 1.8 ships an update every 39 months, and Captis every 20 months. Most recently, DSP 1.8 was updated on October 3, 2026 and Captis on September 29, 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.*