Comparison

CentiGrade Visual Tuner vs Tone Gen Studio

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

Head to head
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.

About

Tone Gen Studio

Generate precise audio frequencies, conduct sweep tests, and analyze sound with a built-in microphone tuner and RTA analyzer. This toolkit is designed for musicians and audio engineers needing accurate tone and measurement tools.

Highlights
  • Pure tone generator with custom frequency
  • Preset tone pads
  • Sweep generator
  • Noise profiles (white, pink, brown)
  • Binaural beats
  • Mic tuner with real-time display
  • RTA analyzer
Features
Read full description

Test speakers, find frequencies, tune instruments, and keep time during practice with Tone Gen Studio. Generate tones, sweeps, and noise, explore your microphone input with the tuner and spectrum analyzer, or practice with the built-in metronome. Tone generation and speaker testing - Set a custom frequency or choose a preset tone pad. - Select sine, square, sawtooth, or triangle waveforms. - Run linear, exponential, or stepped frequency sweeps. - Generate white, pink, and brown noise. - Set burst on and off durations for pulsed tones. - Adjust binaural carrier and beat frequencies for headphone playback. Tuning and audio analysis - View the detected note, frequency, and cents with the microphone tuner. - Explore input levels with a real-time spectrum analyzer and 1/3-octave RTA bands. Metronome and practice - Set a tempo from 20 to 300 BPM or use tap tempo. - Choose time signatures, subdivisions, accents, and five click sounds. - Practice with swing, polyrhythms, gradual tempo ramps, and random mute. - Use a count-in and practice timer. Start at a low volume and adjust gradually. Binaural playback requires headphones. Speaker response and microphone measurements depend on your device and connected audio equipment. For musicians, audio engineers, educators, and anyone working with sound on iPhone and iPad.

Screenshots

CentiGrade Visual Tuner4 screens
Tone Gen Studio4 screens

Verdict

The call

The clearest difference is update cadence: CentiGrade Visual Tuner at every 4 days against Tone Gen Studio's every 6 weeks. CentiGrade Visual Tuner also leads on iOS requirement (13.0 vs 18.6). On price, rating, ratings volume and ads 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

CentiGrade Visual Tuner costs $0.99 and Tone Gen Studio $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for CentiGrade Visual Tuner against 5.0 for Tone Gen Studio. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

CentiGrade Visual Tuner ships an update every 4 days, Tone Gen Studio every 6 weeks. Both last shipped on October 24, 2026.

Scorecard2 real differences · 7 level
CentiGrade Visual Tuner versus Tone Gen Studio: the parameters behind the verdict, then further details
ParameterCentiGrade Visual TunerTone Gen Studio
Price$0.99$0.99
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 4 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size18 MB5 MB
Age rating4+4+
DeveloperPHILIP BRADLEY KINGScott Manley

Customer experience

CentiGrade Visual Tuner

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Tone Gen Studio

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CentiGrade Visual Tuner

No in-app purchases

None

Tone Gen Studio

No in-app purchases

Questions

Is CentiGrade Visual Tuner free?
CentiGrade Visual Tuner costs $0.99, with no in-app purchases.
Is Tone Gen Studio free?
Tone Gen Studio costs $0.99, with no in-app purchases.
Which has better reviews, CentiGrade Visual Tuner or Tone Gen Studio?
CentiGrade Visual Tuner and Tone Gen Studio are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do CentiGrade Visual Tuner or Tone Gen Studio have ads?
Neither CentiGrade Visual Tuner nor Tone Gen Studio shows ads.
Which is updated more often, CentiGrade Visual Tuner or Tone Gen Studio?
CentiGrade Visual Tuner ships an update every 4 days, and Tone Gen Studio every 6 weeks. Most recently, CentiGrade Visual Tuner was updated on October 24, 2026 and Tone Gen Studio on October 24, 2026.

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