# CA DSP vs DS18 iDSP

The clearest difference is update cadence: CA DSP at every 6 weeks against DS18 iDSP's every 6 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.

CA DSP ships an update every 6 weeks, DS18 iDSP every 6 months. The most recent releases landed on July 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | CA DSP | DS18 iDSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ca-dsp/id1563340670/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 18 MB | 59 MB |
| Requires iOS | **11.0** | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [文栋 顾](https://appshunter.io/developer/1460789214) | [SPIRIT LLC](https://appshunter.io/developer/1327651109) |

## What reviewers say

### CA DSP

[App page](https://appshunter.io/ios/app/ca-dsp/id1563340670)

This utility app provides comprehensive control over audio settings, including EQ, crossovers, and time alignment. Configure all adjustments and DSP functionality remotely via smartphone, tablet, or PC.

**Highlights:** EQ adjustments, Controllable crossover settings, Digital time alignment, Grouping functionality, Preset and custom memory

**Features:** macOS Compatibility

**In-app purchases:** none


### DS18 iDSP

[App page](https://appshunter.io/ios/app/ds18-idsp/id6755451912)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CA DSP free?

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

### Is DS18 iDSP free?

DS18 iDSP is free to download, with no in-app purchases.

### Do CA DSP or DS18 iDSP have ads?

Neither CA DSP nor DS18 iDSP shows ads.

### Which is updated more often, CA DSP or DS18 iDSP?

CA DSP ships an update every 6 weeks, and DS18 iDSP every 6 months. Most recently, CA DSP was updated on July 7, 2026 and DS18 iDSP on September 12, 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.*