# EZY vs Marts Digital

The clearest difference is rating: EZY at 4.3 against Marts Digital's 2.2. EZY also leads on update cadence (every 4 months vs every 17 months). On price, ratings volume, 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 2.2. Both are backed by a comparable volume of ratings — 9 and 11 respectively.

EZY ships an update every 4 months, Marts Digital every 17 months. The most recent releases landed on August 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | EZY | Marts Digital |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/ezy-dsp/id6502801326/reviews)** | [2.2 (11 ratings)](https://appshunter.io/ios/app/marts-digital/id6738837858/reviews) |
| Number of ratings | 9 | **11** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 17 months |
| Monetization | Free | Free |
| Size | 11 MB | 59 MB |
| Requires iOS | **11.0** | 12.2 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EZY AUDIOPARTS LLC](https://appshunter.io/developer/1746846485) | [Guang Dong Sound Power](https://appshunter.io/developer/1760446092) |

## What reviewers say

### 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


### Marts Digital

[App page](https://appshunter.io/ios/app/marts-digital/id6738837858)

This application allows users to debug car audio devices by adjusting various parameters via a Bluetooth connection. It provides a digital interface for fine-tuning audio settings directly from a smartphone.

**Highlights:** Car audio device debugging, Bluetooth parameter adjustment, Digital interface for audio settings, Smartphone control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EZY free?

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

### Is Marts Digital free?

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

### Which has better reviews, EZY or Marts Digital?

EZY is rated higher. EZY averages 4.3 out of 5 from 9 ratings, while Marts Digital averages 2.2 from 11 ratings.

### Do EZY or Marts Digital have ads?

Neither EZY nor Marts Digital shows ads.

### Which is updated more often, EZY or Marts Digital?

EZY ships an update every 4 months, and Marts Digital every 17 months. Most recently, EZY was updated on August 4, 2026 and Marts Digital on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*