Comparison

Mutronome 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

Mutronome

Like metronome but better

Free

🎵 Music

No ratingsView app →

Spectrum AUv3 FFT Visualizer

Real-time FFT Analyzer

$0.99

🎵 Music

No ratingsView app →

About

Mutronome

Discover songs matching your desired tempo and genre. This app integrates with Apple Music to create custom playlists based on BPM. A free trial of Apple Music is offered on first launch.

Highlights

Find songs by BPM
Filter by genre
Create custom playlists
Integrates with Apple Music
Offers Apple Music trial

Features

Read full description

Find songs by their BPM and play them with Apple Music Mutronome — is an app for those who tired of classical metronomes. Just set BPM, add some genre filters and Mutronome will build a playlist of songs with desired tempo. Attention! You will need an Apple Music subscription to use this app. If you don't have it - Mutronome will offer you free 3 month trial on first launch.

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

Mutronome3 screens

Spectrum AUv3 FFT Visualizer2 screens

Verdict

The call

The clearest difference is price: Mutronome at Free against Spectrum AUv3 FFT Visualizer's $0.99. Mutronome also leads on update cadence (every 3 weeks vs every 12 months) and iOS requirement (12.2 vs 15.0). On 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

Mutronome is free to download; Spectrum AUv3 FFT Visualizer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mutronome ships an update every 3 weeks, Spectrum AUv3 FFT Visualizer every 12 months. The most recent releases landed on October 15, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 5 level

Mutronome versus Spectrum AUv3 FFT Visualizer: the parameters behind the verdict, then further details
Parameter	Mutronome	Spectrum AUv3 FFT Visualizer
Price	Free — better	$0.99
Positive reviews	100.0% of reviews	—
Update frequency	Every 3 weeks — better	Every 12 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.2 — better	15.0
Further details — not scored
Size	8 MB	10 MB
Age rating	4+	4+
Developer	Alexey Landyrev	DiscoDSP LLC

In-app purchases

None

Mutronome

No in-app purchases

None

Spectrum AUv3 FFT Visualizer

No in-app purchases

Questions

Is Mutronome free?

Mutronome is free to download, with no in-app purchases.

Is Spectrum AUv3 FFT Visualizer free?

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

Do Mutronome or Spectrum AUv3 FFT Visualizer have ads?

Neither Mutronome nor Spectrum AUv3 FFT Visualizer shows ads.

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

Mutronome ships an update every 3 weeks, and Spectrum AUv3 FFT Visualizer every 12 months. Most recently, Mutronome was updated on October 15, 2026 and Spectrum AUv3 FFT Visualizer on October 27, 2026.