Comparison

MultiMetronome vs Spectrum AUv3 FFT Visualizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Spectrum AUv3 FFT Visualizer

Real-time FFT Analyzer

$0.99

🎵 Music

No ratingsView app →

About

MultiMetronome

Features

Read full description

MultiMetronome is free. No ads, no charges. It is a musician's friend. It lets musicians store and retrieve tempos and sets of tempos, so that they can quickly change the tempo. It is simple and easy to use, and very straightforward.

About

Spectrum AUv3 FFT Visualizer

Features

Read full description

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

MultiMetronome2 screens

Spectrum AUv3 FFT Visualizer2 screens

Verdict

The call

The clearest difference is update cadence: Spectrum AUv3 FFT Visualizer at every 12 months against MultiMetronome's every 25 months. Spectrum AUv3 FFT Visualizer also leads on iOS requirement (15.0 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

MultiMetronome 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.

UpkeepUpdate frequency

MultiMetronome ships an update every 25 months, Spectrum AUv3 FFT Visualizer every 12 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 4 level

MultiMetronome versus Spectrum AUv3 FFT Visualizer: the parameters behind the verdict, then further details
Parameter	MultiMetronome	Spectrum AUv3 FFT Visualizer
Price	$0.99	$0.99
Update frequency	Every 25 months	Every 12 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	26.0	15.0 — better
Further details — not scored
Size	1 MB	10 MB
Age rating	4+	4+
Developer	Hal Rushton	DiscoDSP LLC

In-app purchases

None

MultiMetronome

No in-app purchases

None

Spectrum AUv3 FFT Visualizer

No in-app purchases

Questions

Is MultiMetronome free?

MultiMetronome costs $0.99, with no in-app purchases.

Is Spectrum AUv3 FFT Visualizer free?

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

Do MultiMetronome or Spectrum AUv3 FFT Visualizer have ads?

Neither MultiMetronome nor Spectrum AUv3 FFT Visualizer shows ads.

Which is updated more often, MultiMetronome or Spectrum AUv3 FFT Visualizer?

MultiMetronome ships an update every 25 months, and Spectrum AUv3 FFT Visualizer every 12 months. Most recently, MultiMetronome was updated on October 30, 2026 and Spectrum AUv3 FFT Visualizer on October 27, 2026.