# Woofer Box Calculator PRO vs EZY

The clearest difference is price: EZY at Free against Woofer Box Calculator PRO's $4.99. EZY also leads on rating (4.3 vs 3.2) and update cadence (every 4 months vs every 18 months). Woofer Box Calculator PRO's advantage is iOS requirement (7.0 vs 11.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

EZY is free to download; Woofer Box Calculator PRO costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

EZY holds the better App Store score, 4.3 against 3.2. Both are backed by a comparable volume of ratings — 5 and 9 respectively.

Woofer Box Calculator PRO ships an update every 18 months, EZY every 4 months. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Woofer Box Calculator PRO | EZY |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.2 (5 ratings)](https://appshunter.io/ios/app/woofer-box-calculator-pro/id887935204/reviews) | **[4.3 (9 ratings)](https://appshunter.io/ios/app/ezy-dsp/id6502801326/reviews)** |
| Number of ratings | 5 | **9** |
| Positive reviews | 41.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 4 MB | 11 MB |
| Requires iOS | **7.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matjaz Marolt](https://appshunter.io/developer/874326830) | [EZY AUDIOPARTS LLC](https://appshunter.io/developer/1746846485) |

## What reviewers say

### Woofer Box Calculator PRO

[App page](https://appshunter.io/ios/app/woofer-box-calculator-pro/id887935204)

Design custom enclosures for car subwoofers with advanced calculations. This tool considers cabin gain, power compression, and port compression to predict final SPL. Save and load projects, drivers, and vehicles for easy management.

**Highlights:** Subwoofer enclosure design, Cabin gain consideration, Power and port compression, Predict final SPL, Gross volume handling, Vented enclosure calculation, Save and load projects

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

**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 Woofer Box Calculator PRO free?

Woofer Box Calculator PRO costs $4.99, with no in-app purchases.

### Is EZY free?

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

### Which has better reviews, Woofer Box Calculator PRO or EZY?

EZY is rated higher. Woofer Box Calculator PRO averages 3.2 out of 5 from 5 ratings, while EZY averages 4.3 from 9 ratings.

### Do Woofer Box Calculator PRO or EZY have ads?

Neither Woofer Box Calculator PRO nor EZY shows ads.

### Which is updated more often, Woofer Box Calculator PRO or EZY?

Woofer Box Calculator PRO ships an update every 18 months, and EZY every 4 months. Most recently, Woofer Box Calculator PRO was updated on October 12, 2026 and EZY on October 16, 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.*