# EZY vs Polarity pulses

The clearest difference is rating: EZY at 3.5 against Polarity pulses's 3.0. EZY also leads on in-app purchases (none vs 1) and ratings volume (14 vs 2). Polarity pulses's advantage is update cadence (every 2 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Polarity pulses sells 1 one-off in-app purchase. EZY asks for nothing beyond the download.

EZY holds the better App Store score, 3.5 against 3.0. That said, the two scores are not equally well evidenced: EZY has 14 ratings behind it against 2, so its average is the more settled of the two.

EZY ships an update every 4 months, Polarity pulses every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EZY | Polarity pulses |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (14 ratings)](https://appshunter.io/ios/app/ezy-dsp/id6502801326/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/polarity-pulses/id6770177079/reviews) |
| Number of ratings | **14** | 2 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 18 MB |
| Requires iOS | **11.0** | 12 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EZY AUDIOPARTS LLC](https://appshunter.io/developer/1746846485) | [小慧 罗](https://appshunter.io/developer/1806960019) |

## 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


### Polarity pulses

[App page](https://appshunter.io/ios/app/polarity-pulses/id6770177079)

This utility app helps audio professionals and enthusiasts quickly test speaker polarity and phase alignment using a phone's microphone. It provides offline analysis for various audio setups, from car stereos to studio monitors, eliminating wiring mistakes and troubleshooting time.

**Highlights:** Audio capture via phone microphone, Offline local analysis, Adjustable parameters for different drivers, Supports car audio, home theater, stage PA, studio monitors, Eliminates wiring mistakes, Reduces troubleshooting time

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Access | $1.99 | one-time |


## Frequently asked questions

### Is EZY free?

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

### Is Polarity pulses free?

Polarity pulses is free to download, with in-app purchases available.

### Which has better reviews, EZY or Polarity pulses?

EZY is rated higher. EZY averages 3.5 out of 5 from 14 ratings, while Polarity pulses averages 3.0 from 2 ratings.

### Do EZY or Polarity pulses have ads?

Neither EZY nor Polarity pulses shows ads.

### Which is updated more often, EZY or Polarity pulses?

EZY ships an update every 4 months, and Polarity pulses every 2 days. Most recently, EZY was updated on October 24, 2026 and Polarity pulses on October 25, 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.*