# DSI vs EZY

The clearest difference is rating: EZY at 4.3 against DSI's 3.0. EZY also leads on ratings volume (9 vs 2). DSI's advantage is iOS requirement (9.0 vs 11.0). 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.

EZY holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 2 and 9 respectively.

DSI ships an update every 2 months, EZY every 4 months. The most recent releases landed on September 9, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | DSI | EZY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/dsi-3/id1544985377/reviews) | **[4.3 (9 ratings)](https://appshunter.io/ios/app/ezy-dsp/id6502801326/reviews)** |
| Number of ratings | 2 | **9** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 12 MB | 11 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DD Audio](https://appshunter.io/developer/599474306) | [EZY AUDIOPARTS LLC](https://appshunter.io/developer/1746846485) |

## What reviewers say

### DSI

[App page](https://appshunter.io/ios/app/dsi-3/id1544985377)

This application allows users to fine-tune their car audio systems using a digital signal processor. It offers comprehensive controls for equalization, crossovers, time alignment, and more, suitable for both professionals and enthusiasts.

**Highlights:** Bluetooth 5.0 connectivity, 6 customizable presets, 31-band parametric EQ per channel, Phase correction, Crossover adjustments, Input/output level controls, Time alignment

**Features:** macOS Compatibility

**In-app purchases:** none


### EZY

[App page](https://appshunter.io/ios/app/ezy-dsp/id6502801326)

Refine your car audio system with advanced DSP technology for unparalleled clarity and depth. This app offers sophisticated tools to meticulously adjust every aspect of your sound, compensating for vehicle interior distortions to achieve audio perfection.

**Highlights:** Ezy DSP technology, Sophisticated audio refinement tools, Compensates for vehicle interior distortions, Achieve audio perfection, Unparalleled clarity and depth

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSI free?

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

### Is EZY free?

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

### Which has better reviews, DSI or EZY?

EZY is rated higher. DSI averages 3.0 out of 5 from 2 ratings, while EZY averages 4.3 from 9 ratings.

### Do DSI or EZY have ads?

Neither DSI nor EZY shows ads.

### Which is updated more often, DSI or EZY?

DSI ships an update every 2 months, and EZY every 4 months. Most recently, DSI was updated on September 9, 2026 and EZY on August 4, 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.*