# FFT AUv3 Visualizer vs pOus

The clearest difference is price: FFT AUv3 Visualizer at $0.99 against pOus's $2.99. pOus's advantage is iOS requirement (12.0 vs 15.0). On rating, ratings volume, update cadence and ads there is nothing between them.

FFT AUv3 Visualizer costs $0.99 and pOus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for FFT AUv3 Visualizer against 5.0 for pOus. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

FFT AUv3 Visualizer ships an update every 8 months, pOus every 4 months. The most recent releases landed on October 1, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | FFT AUv3 Visualizer | pOus |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fft-auv3-visualizer/id6746331702/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pous/id6748279554/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 12 MB | 15 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) | [Satoshi Kajii](https://appshunter.io/developer/1777441634) |

## What reviewers say

### FFT AUv3 Visualizer

[App page](https://appshunter.io/ios/app/fft-auv3-visualizer/id6746331702)

This real-time spectral analyzer visualizes audio into spectrograms with high precision. It offers advanced features like mel-scale mapping and intelligent color coding to help musicians and audio engineers analyze sound frequencies for mixing, mastering, and sound design.

**Highlights:** Real-time spectral analysis, High-resolution 4096-sample FFT, Mel-scale frequency mapping, 90dB dynamic range with intelligent color mapping, Resizable interface, 60Hz display with 75% overlap

**Features:** macOS Compatibility

**In-app purchases:** none


### pOus

[App page](https://appshunter.io/ios/app/pous/id6748279554)

This app emulates analog drum machine bass drums with adjustable tuning and decay. It offers MIDI OUT functionality for envelope follower data and a scale mode for playing musical scales. Designed for musicians using AUv3 hosts.

**Highlights:** BassDrum emulation, Adjustable tune and decay, MIDI OUT envelope follower, Scale mode for musical notes, AUv3 instrument, MIDI CC routing

**In-app purchases:** none


## Frequently asked questions

### Is FFT AUv3 Visualizer free?

FFT AUv3 Visualizer costs $0.99, with no in-app purchases.

### Is pOus free?

pOus costs $2.99, with no in-app purchases.

### Which has better reviews, FFT AUv3 Visualizer or pOus?

FFT AUv3 Visualizer and pOus are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do FFT AUv3 Visualizer or pOus have ads?

Neither FFT AUv3 Visualizer nor pOus shows ads.

### Which is updated more often, FFT AUv3 Visualizer or pOus?

FFT AUv3 Visualizer ships an update every 8 months, and pOus every 4 months. Most recently, FFT AUv3 Visualizer was updated on October 1, 2026 and pOus on September 21, 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.*