# PAcalculate vs FFTWave

The clearest difference is rating: PAcalculate at 5.0 against FFTWave's 4.3. PAcalculate also leads on review sentiment (100% vs 77%) and update cadence (every 4 months vs every 15 months). FFTWave's advantage is iOS requirement (11.0 vs 13.0). 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.

PAcalculate holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 7 and 15 respectively. Written reviews point the same way: 100% of PAcalculate's written reviews are positive against 77% of FFTWave's.

PAcalculate ships an update every 4 months, FFTWave every 15 months. The most recent releases landed on June 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PAcalculate | FFTWave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pacalculate/id793460437/reviews)** | [4.3 (15 ratings)](https://appshunter.io/ios/app/fftwave/id1080227446/reviews) |
| Number of ratings | 7 | **15** |
| Positive reviews | **100.0% of reviews** | 76.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 15 months |
| Monetization | Free | Free |
| Size | 3 MB | 8 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jose Brusi](https://appshunter.io/developer/793460440) | [Eisaku Nozu](https://appshunter.io/developer/1080227445) |

## 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


### FFTWave

[App page](https://appshunter.io/ios/app/fftwave/id1080227446)

Visualize sound from your microphone as a waveform and spectrum analysis. Identify frequency characteristics, detect peaks, and analyze howling with pinch-to-zoom gestures. Ideal for sound adjustment and analysis.

**Highlights:** Microphone waveform display, Spectrum analysis via Fourier transform, Frequency characteristic checking, Peak detection and hold, Pinch zoom gestures, Howling analysis

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PAcalculate free?

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

### Is FFTWave free?

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

### Which has better reviews, PAcalculate or FFTWave?

PAcalculate is rated higher. PAcalculate averages 5.0 out of 5 from 7 ratings, while FFTWave averages 4.3 from 15 ratings.

### Do PAcalculate or FFTWave have ads?

Neither PAcalculate nor FFTWave shows ads.

### Which is updated more often, PAcalculate or FFTWave?

PAcalculate ships an update every 4 months, and FFTWave every 15 months. Most recently, PAcalculate was updated on June 8, 2026 and FFTWave on September 17, 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.*