SimplyChorus vs Spectrum AUv3 FFT Visualizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimplyChorus
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A simple but straightforward chorus audio effect to give you that nice 80s feel. The filter exists in an AUv3 app extension so it is available for use in any host app that supports AudioUnit components such as AUM or Cubasis or GarageBand.
Spectrum AUv3 FFT Visualizer
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Turn sound into stunning visuals with Spectrum, an AUv3-compatible real-time spectrum analyzer for audio signals. Effortlessly monitor 29 specific frequencies from 10 Hz to 20 kHz with precision, powered by Fast Fourier Transform (FFT) data. Spectrum’s sleek graphics feature vertical markers, filled paths, and a smooth gradient background for an immersive visual experience. Enjoy accurate frequency placement with logarithmic scaling, and interact seamlessly using touch to highlight specific frequencies. Designed for performance, it dynamically adjusts to real-time data, transforms decibels, and ensures smooth, optimized rendering for flawless updates.
Screenshots
Verdict
The clearest difference is update cadence: SimplyChorus at every 2 months against Spectrum AUv3 FFT Visualizer's every 12 months. On price, ads, in-app purchases and device support 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
SimplyChorus costs $0.99 and Spectrum AUv3 FFT Visualizer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SimplyChorus ships an update every 2 months, Spectrum AUv3 FFT Visualizer every 12 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.
| Parameter | SimplyChorus | Spectrum AUv3 FFT Visualizer |
|---|---|---|
| Price | $0.99 | $0.99 |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Brad Howes | DiscoDSP LLC |
In-app purchases
SimplyChorus
No in-app purchases
Spectrum AUv3 FFT Visualizer
No in-app purchases
Questions
Is SimplyChorus free?
Is Spectrum AUv3 FFT Visualizer free?
Do SimplyChorus or Spectrum AUv3 FFT Visualizer have ads?
Which is updated more often, SimplyChorus or Spectrum AUv3 FFT Visualizer?
Other comparisons
