# PAcalculate vs DSP Pro v2

The clearest difference is rating: PAcalculate at 5.0 against DSP Pro v2's 1.0. PAcalculate also leads on ratings volume (7 vs 1). DSP Pro v2's advantage is update cadence (every 5 weeks vs every 4 months) and iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PAcalculate holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: PAcalculate has 7 ratings behind it against 1, so its average is the more settled of the two.

PAcalculate ships an update every 4 months, DSP Pro v2 every 5 weeks. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PAcalculate | DSP Pro v2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pacalculate/id793460437/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/dsp-pro-v2/id1509287028/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 54 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jose Brusi](https://appshunter.io/developer/793460440) | [星忠 宁](https://appshunter.io/developer/1446136891) |

## What reviewers say

### PAcalculate

[App page](https://appshunter.io/ios/app/pacalculate/id793460437)

This app provides 28 calculators and reference information for professional audio sound reinforcement and lighting. It covers acoustics, audio electronics, cabling, and lighting calculations, making it a valuable tool for audio and lighting professionals.

**Highlights:** 28 calculators for pro-audio and lighting, Acoustics calculations (SPL, air absorption), Audio electronics calculations (dBu/dBV, Q/B/W), Cabling calculations (speaker cable loss), Lighting calculations (DMX, RGB/CMY), Reference info (pinouts, graphs)

**Features:** macOS Compatibility

**In-app purchases:** none


### DSP Pro v2

[App page](https://appshunter.io/ios/app/dsp-pro-v2/id1509287028)

This utility app allows users to create custom control interfaces for devices via a PC. It offers a drag-and-drop system for modules like text, images, and buttons, with support for custom colors and positioning. Edited configurations can be synchronized across Windows and iOS for real-time parameter control and status feedback.

**Highlights:** Drag-and-drop module placement, Customizable module colors, Support for text, image, and button modules, Real-time parameter control, Status feedback, Cross-platform synchronization (Windows/iOS)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PAcalculate free?

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

### Is DSP Pro v2 free?

DSP Pro v2 is free to download, with no in-app purchases.

### Which has better reviews, PAcalculate or DSP Pro v2?

PAcalculate is rated higher. PAcalculate averages 5.0 out of 5 from 7 ratings, while DSP Pro v2 averages 1.0 from 1 ratings.

### Do PAcalculate or DSP Pro v2 have ads?

Neither PAcalculate nor DSP Pro v2 shows ads.

### Which is updated more often, PAcalculate or DSP Pro v2?

PAcalculate ships an update every 4 months, and DSP Pro v2 every 5 weeks. Most recently, PAcalculate was updated on October 1, 2026 and DSP Pro v2 on October 2, 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.*