FFT AUv3 Visualizer vs CAVES
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FFT AUv3 Visualizer
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.
- 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
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FFT is a real-time spectral analyzer designed specifically for musicians, producers, and audio engineers who demand precision in their frequency domain analysis. This plugin transforms your audio into visual spectrogram, featuring a high-resolution 4096-sample FFT engine that captures every nuance of your sound. With its advanced Blackman-Harris windowing and mel-scale frequency mapping, FFT provides perceptually accurate frequency representation that mirrors how your ears actually hear music. The plugin offers 90dB dynamic range with intelligent color mapping that highlights different frequency bands—from deep blues for sub-bass through vibrant greens for midrange to warm reds for sparkling highs. Whether you're mixing, mastering, sound designing, or analyzing acoustic spaces, FFT's real-time 60Hz display with 75% overlap ensures smooth, responsive visualization that helps you make critical EQ decisions, identify problematic frequencies, monitor stereo imaging, and understand the spectral content of your tracks with scientific precision. The resizable interface adapts to your workflow, making it an indispensable tool for any serious audio professional seeking to visualize and understand their sound in the frequency domain.
CAVES
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.
- 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
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CAVES is a dual-oscillator standalone drone synthesizer app for crafting evolving ambient textures, deep soundscapes, and experimental tones directly on your iOS device. SOUND ENGINE • PWM Oscillator - Classic pulse-width modulation for warm, analog-style tones • FM Oscillator - Frequency modulation for complex, evolving timbres • Dual Filters - Dual filters with resonance control for tonal shaping • Flexible Routing - Route each oscillator to either or both filters MODULATION & DYNAMICS • 2 LFOs - Modulate frequency, filters, effects, and more for movement and evolution • 2 ADSR Envelopes - Shape filter cutoff and amplitude over time • Clock-Sync Option - Lock modulation to tempo for rhythmic textures EFFECTS • Distortion - Add warmth and saturation • Stereo Delay - Spacious echoes with feedback control • Reverb - Lush ambience and depth STANDALONE APP CAVES is currently a standalone synthesizer. AUv3 plugin support is planned for a future update. Perfect for ambient / drone compositions, sound design, and sonic experimentation.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | FFT AUv3 Visualizer | CAVES |
|---|---|---|
| Price | $0.99 — better | $4.99 |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | — | 80.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #191 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17 |
| Further details — not scored | ||
| Size | 12 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | DiscoDSP LLC | Carl Albert Groner |
Customer experience
FFT AUv3 Visualizer
CAVES
In-app purchases
FFT AUv3 Visualizer
No in-app purchases
CAVES
No in-app purchases








