# AX vs EZY

The clearest difference is rating: EZY at 4.3 against AX's 2.2. On price, ratings volume, update cadence 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.

EZY holds the better App Store score, 4.3 against 2.2. Both are backed by a comparable volume of ratings — 5 and 9 respectively.

AX ships an update every 2 months, EZY every 4 months. The most recent releases landed on September 7, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | AX | EZY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (5 ratings)](https://appshunter.io/ios/app/ax-dsp-xl/id1495854432/reviews) | **[4.3 (9 ratings)](https://appshunter.io/ios/app/ezy-dsp/id6502801326/reviews)** |
| Number of ratings | 5 | **9** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 10 MB | 11 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Metra Electronics Corp.](https://appshunter.io/developer/1133973919) | [EZY AUDIOPARTS LLC](https://appshunter.io/developer/1746846485) |

## What reviewers say

### AX

[App page](https://appshunter.io/ios/app/ax-dsp-xl/id1495854432)

Enhance your car's audio system with this digital signal processor. It offers an all-in-one solution for various audio setups, allowing for improved sound quality and subwoofer integration while preserving factory features. Control settings easily via a smartphone app.

**Highlights:** Digital Signal Processor, Subwoofer integration, Preserves OE features, Bluetooth smartphone control, Vehicle-specific T-Harnesses (sold separately), All-in-one solution

**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 AX free?

AX 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, AX or EZY?

EZY is rated higher. AX averages 2.2 out of 5 from 5 ratings, while EZY averages 4.3 from 9 ratings.

### Do AX or EZY have ads?

Neither AX nor EZY shows ads.

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

AX ships an update every 2 months, and EZY every 4 months. Most recently, AX was updated on September 7, 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.*