# CA AMP vs DS18 DSP

CA AMP and DS18 DSP both sit at 4.0 stars, but that hides the real split: 100% of DS18 DSP's written reviews are positive against 33% of CA AMP's. DS18 DSP also leads on update cadence (every 2 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.0 for CA AMP against 4.0 for DS18 DSP. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews are what separate them: 33% of CA AMP's written reviews are positive against 100% of DS18 DSP's.

CA AMP ships an update every 2 months, DS18 DSP every 2 days. The most recent releases landed on June 3, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | CA AMP | DS18 DSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (6 ratings)](https://appshunter.io/ios/app/ca-amp/id1554205982/reviews) | [4.0 (4 ratings)](https://appshunter.io/ios/app/ds18-dsp/id1625944939/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 20 MB | 76 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文栋 顾](https://appshunter.io/developer/1460789214) | [Spirit  LLC](https://appshunter.io/developer/1327651109) |

## What reviewers say

### CA AMP

[App page](https://appshunter.io/ios/app/ca-amp/id1554205982)

This application provides comprehensive control and adjustments for amplifiers, including EQ, crossover settings, and digital time alignment. Manage all audio signal processing functions directly from your smartphone or tablet.

**Highlights:** Interactive audio signal processor, EQ adjustments, Controllable crossover (6/12/24/48 dB), Digital time alignment, Grouping functionality, Preset and custom settings memory

**Features:** macOS Compatibility

**In-app purchases:** none


### DS18 DSP

[App page](https://appshunter.io/ios/app/ds18-dsp/id1625944939)

Control specific digital sound processor models with a smartphone or tablet. Adjust channels, gain, crossovers, limiters, and equalization in real-time. Features a demo mode for learning and battery/limiter monitoring.

**Highlights:** Channels Routing, General and Channels Gain, Crossover Settings, Limiter Control, Input/Output Equalizer, Time Alignment, Configurable Memories

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CA AMP free?

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

### Is DS18 DSP free?

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

### Which has better reviews, CA AMP or DS18 DSP?

CA AMP and DS18 DSP are both rated 4.0 out of 5 on the App Store, from 6 and 4 ratings respectively.

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

Neither CA AMP nor DS18 DSP shows ads.

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

CA AMP ships an update every 2 months, and DS18 DSP every 2 days. Most recently, CA AMP was updated on June 3, 2026 and DS18 DSP on July 9, 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.*