# FFT AUv3 Visualizer vs CAVES

The clearest difference is update cadence: CAVES at every 3 weeks against FFT AUv3 Visualizer's every 8 months. CAVES also leads on chart position (#191 vs unranked) and ratings volume (3 vs 1). FFT AUv3 Visualizer's advantage is price ($0.99 vs $4.99) and iOS requirement (15.0 vs 17). On rating, ads, in-app purchases and monetization model there is nothing between them.

FFT AUv3 Visualizer costs $0.99 and CAVES $4.99 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 CAVES. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

FFT AUv3 Visualizer ships an update every 8 months, CAVES every 3 weeks. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FFT AUv3 Visualizer | CAVES |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fft-auv3-visualizer/id6746331702/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/caves-drone-synthesizer/id6748933661/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#191** |
| Size | 12 MB | 7 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) | [Carl Albert Groner](https://appshunter.io/developer/1828121220) |

## 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


### CAVES

[App page](https://appshunter.io/ios/app/caves-drone-synthesizer/id6748933661)

**Currently charting:** #191 Top Paid · Music (US App Store)

Create evolving ambient textures and experimental tones with a dual-oscillator drone synthesizer. Shape your sound with flexible routing, modulation, and built-in effects like distortion, delay, and reverb.

**Highlights:** Dual-oscillator sound engine, PWM and FM synthesis, Dual resonant filters, Flexible oscillator routing, Dual LFOs for modulation, ADSR envelopes, Built-in distortion, delay, and reverb

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FFT AUv3 Visualizer free?

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

### Is CAVES free?

CAVES costs $4.99, with no in-app purchases.

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

FFT AUv3 Visualizer and CAVES are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

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

Neither FFT AUv3 Visualizer nor CAVES shows ads.

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

FFT AUv3 Visualizer ships an update every 8 months, and CAVES every 3 weeks. Most recently, FFT AUv3 Visualizer was updated on October 18, 2026 and CAVES on October 25, 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.*