# Deep Synth vs FFT AUv3 Visualizer

The clearest difference is rating: FFT AUv3 Visualizer at 5.0 against Deep Synth's 4.0. FFT AUv3 Visualizer also leads on price ($0.99 vs $4.99). Deep Synth's advantage is update cadence (monthly vs every 8 months) and iOS requirement (10.0 vs 15.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Deep Synth costs $4.99 and FFT AUv3 Visualizer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FFT AUv3 Visualizer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Deep Synth ships an update monthly, FFT AUv3 Visualizer every 8 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Deep Synth | FFT AUv3 Visualizer |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/deep-synth-fm-synthesizer/id1203273984/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fft-auv3-visualizer/id6746331702/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | Paid | Paid |
| Size | 9 MB | 12 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) |

## What reviewers say

### Deep Synth

[App page](https://appshunter.io/ios/app/deep-synth-fm-synthesizer/id1203273984)

Create unique sounds with this FM synthesizer app. It features real-time wave manipulation, multiple sound effects, and MIDI keyboard support. Explore dynamic sound design with its intuitive interface.

**Highlights:** Real-time wave form editing, Simple envelope filter, Reverb and tremolo effects, Polyphonic keyboard with 5 octaves, MIDI keyboard support, AUV3 Audio Unit instrument

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Deep Synth free?

Deep Synth costs $4.99, with no in-app purchases.

### Is FFT AUv3 Visualizer free?

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

### Which has better reviews, Deep Synth or FFT AUv3 Visualizer?

FFT AUv3 Visualizer is rated higher. Deep Synth averages 4.0 out of 5 from 2 ratings, while FFT AUv3 Visualizer averages 5.0 from 1 ratings.

### Do Deep Synth or FFT AUv3 Visualizer have ads?

Neither Deep Synth nor FFT AUv3 Visualizer shows ads.

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

Deep Synth ships an update monthly, and FFT AUv3 Visualizer every 8 months. Most recently, Deep Synth was updated on October 21, 2026 and FFT AUv3 Visualizer on October 18, 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.*