# FFT AUv3 Visualizer vs SessionDock

The clearest difference is price: SessionDock at Free against FFT AUv3 Visualizer's $0.99. SessionDock also leads on update cadence (every 11 days vs every 8 months). FFT AUv3 Visualizer's advantage is in-app purchases (none vs 5) and iOS requirement (15.0 vs 18.6). On rating, ratings volume, ads and device support there is nothing between them.

SessionDock is free to download; FFT AUv3 Visualizer costs $0.99 up front. SessionDock sells 5 in-app purchases, starting at $4.99 per month. FFT AUv3 Visualizer asks for nothing beyond the download.

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

FFT AUv3 Visualizer ships an update every 8 months, SessionDock every 11 days. Both last shipped on September 20, 2026.

## The numbers

| Metric | FFT AUv3 Visualizer | SessionDock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fft-auv3-visualizer/id6746331702/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sessiondock/id6753728022/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 11 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 11 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, Mac, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) | [WARNER WEB DEVELOPMENT LLC](https://appshunter.io/developer/1777235834) |

## 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

**In-app purchases:** none


### SessionDock

[App page](https://appshunter.io/ios/app/sessiondock/id6753728022)

Browse and preview your music projects, notes, and metadata from your Mac on your iPhone. This read-only companion app keeps your desktop library intact while offering waveform note viewing and CarPlay support for on-the-go reference.

**Highlights:** View all saved sessions, Preview session audio/mixdown, Read project notes and metadata, Waveform notes viewer, CarPlay support, Read-only interface

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SessionDock Share Monthly | $4.99 | per month |
| SessionDock Pro | $5.99 | per month |
| SessionDock Share Yearly | $39.99 | per year |
| SessionDock Pro | $49.99 | per year |
| SessionDock Pro (Lifetime) | $39.99 | one-time |


## Frequently asked questions

### Is FFT AUv3 Visualizer free?

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

### Is SessionDock free?

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

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

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

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

Neither FFT AUv3 Visualizer nor SessionDock shows ads.

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

FFT AUv3 Visualizer ships an update every 8 months, and SessionDock every 11 days. Most recently, FFT AUv3 Visualizer was updated on September 20, 2026 and SessionDock on September 20, 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.*