Comparison

Spectrum AUv3 FFT Visualizer vs CentiGrade Visual Tuner

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

Head to head
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.

About

CentiGrade Visual Tuner

This app provides instant, ad-free tuning with a unique rolling trace feature for pitch practice. Its interface dynamically zooms as you approach the target note, offering multiple visual modes and presets for various instruments.

Highlights
  • Instant tuning on launch
  • Rolling trace for pitch history
  • Dynamic zoom interface
  • Fluid wave visualizer
  • Chromatic, Guitar, Bass presets
Features
Read full description

No Ads: Instant tuning as soon as you open the app. Rolling Trace: See a historical line of your pitch for perfect intonation practice. Dynamic Zoom: The interface adapts as you get closer to your target note. Multiple Modes: Toggle between a fluid wave visualizer and the rolling history roll. Presets: Support for Chromatic, Guitar, and Bass tuning.

Screenshots

Spectrum AUv3 FFT Visualizer2 screens
CentiGrade Visual Tuner4 screens

Verdict

The call

The clearest difference is update cadence: CentiGrade Visual Tuner at every 4 days against Spectrum AUv3 FFT Visualizer's every 12 months. CentiGrade Visual Tuner also leads on iOS requirement (13.0 vs 15.0). 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

Spectrum AUv3 FFT Visualizer costs $0.99 and CentiGrade Visual Tuner $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Spectrum AUv3 FFT Visualizer ships an update every 12 months, CentiGrade Visual Tuner every 4 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Spectrum AUv3 FFT Visualizer versus CentiGrade Visual Tuner: the parameters behind the verdict, then further details
ParameterSpectrum AUv3 FFT VisualizerCentiGrade Visual Tuner
Price$0.99$0.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 12 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size10 MB18 MB
Age rating4+4+
DeveloperDiscoDSP LLCPHILIP BRADLEY KING

In-app purchases

None

Spectrum AUv3 FFT Visualizer

No in-app purchases

None

CentiGrade Visual Tuner

No in-app purchases

Questions

Is Spectrum AUv3 FFT Visualizer free?
Spectrum AUv3 FFT Visualizer costs $0.99, with no in-app purchases.
Is CentiGrade Visual Tuner free?
CentiGrade Visual Tuner costs $0.99, with no in-app purchases.
Do Spectrum AUv3 FFT Visualizer or CentiGrade Visual Tuner have ads?
Neither Spectrum AUv3 FFT Visualizer nor CentiGrade Visual Tuner shows ads.
Which is updated more often, Spectrum AUv3 FFT Visualizer or CentiGrade Visual Tuner?
Spectrum AUv3 FFT Visualizer ships an update every 12 months, and CentiGrade Visual Tuner every 4 days. Most recently, Spectrum AUv3 FFT Visualizer was updated on October 27, 2026 and CentiGrade Visual Tuner on October 25, 2026.

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