UniTuner Pro vs CentiGrade Visual Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UniTuner Pro
This advanced chromatic tuner offers 1/10th cent accuracy with visual feedback and a tone generator. It supports over 200 string instrument tunings, custom tunings, and various tuning systems. Visualize pitch, harmonics, and overtones for precise instrument tuning.
- 1/10th cent accuracy
- Tone generator with multiple waveforms
- Over 200 instrument tunings
- Custom tuning creation
- Audio visualization (spectrogram)
- Intonation diagram (tuning map)
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Features: - Customizable User Interface: Pick your favorite readout method in landscape or portrait mode. - App supports dark and light mode. - Recognized note shown in classical notation - Accurate Cent Readout with Direct Feedback: No more guessing! Get precise 1/10th cent accuracy from bass to the highest note. - Tone Generator: Tune your drums or instrument by ear using the tone generator, which includes Sine-Wave, Triangle, and Square-Wave options. - Timeline: Visualize the pitch in cents of the detected note. - Audio Visualization (Spectrogram): View your instrument's harmonic spectrum for better understanding the overtones. Intonation Diagram (Tuning Map): Display of the note with all overtones! This unique feature visualizes a note’s pitch over time—from the initial attack to the final decay. Perfect for instruments with short sustain, such as percussion instruments. - Customizable Concert Pitch: Set your concert pitch from 220 Hz to 880 Hz. - Over 200 Tunings for String Instruments, including: Ahenk, Armonico, Arpeggione, Bağlama / Saz - long neck, Baglamas, Bajo Quinto, Bajo Sexto, Balalaika, Bandurria - Spanish, Banjo, Banjo - Bass, Banjo - Cello, Banjo - Contrabass, Banjo - Tenor, Banjolete, Bass (Doublebass), Bouzouki (trichordo), Bouzouki (tetrachordo), Cello, Cuban Laúd, Dotara, Dulcimer - 3 course, Dulcimer - 4 course, Fiddle, Gekkin, Guitalete, Guitar, Guitar - 12-String, Guitar - Baritone, Guitarrón, Halszither, Hurdy Gurdy, Irish Bouzouki, Jarana Huasteca, Kamancheh, Kithara Sarda, Kora, Koto, Laúd - Spanish, Laúd - Cuban, Laúd - Philippine, Mandobass - 4 String, Mandobass - 8 String, Mandocello, Mandola, Mandolin, Nevoud, Oud, Pedal Steel Guitar, Pipa, Portuguese Guitar, Qinqin, Requinto, Russian Guitar, Setar, Ukulele, Ukulele - Baritone, Ukulele - Bass, Ukulele - Soprano, Vihuela, Viol (Baritone, Bass, Contrabass, Soprano, Tenor, Treble), Viola, Violin, Violin - Tenor, Xiaoruan, Yueqin, Zheng - You can also create and store your own custom tunings and instruments. - "Perfect 5th" tuning for: Violin, Viola, Cello, Double bass. - Transpose: The output can be shifted by a specified number of semitones - Note names: English, German, Japanese, Korean, Chinese, Russian, Greek, Bengali, Hindustani, Fixed & Movable Solfège - Choose from Various Tuning Systems for Open Tunings or Historical Instruments: Just Intonation, Pythagorean, Meantone, and many more. - You can also create and store your own custom temperaments. - Enhance your open tunings with Just Intonation: Experience the unique sound quality of pure tuning by setting the UniTuner to Just Intonation and the root note of your tuning
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.
- Instant tuning on launch
- Rolling trace for pitch history
- Dynamic zoom interface
- Fluid wave visualizer
- Chromatic, Guitar, Bass presets
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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
Verdict
The clearest difference is price: CentiGrade Visual Tuner at $0.99 against UniTuner Pro's $7.99. CentiGrade Visual Tuner also leads on update cadence (every 4 days vs fortnightly) and iOS requirement (13.0 vs 15.6). UniTuner Pro's advantage is chart position (#161 vs unranked). On rating, ratings volume, ads and in-app purchases 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
UniTuner Pro costs $7.99 and CentiGrade Visual Tuner $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for UniTuner Pro against 5.0 for CentiGrade Visual Tuner. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
UniTuner Pro ships an update fortnightly, CentiGrade Visual Tuner every 4 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | UniTuner Pro | CentiGrade Visual Tuner |
|---|---|---|
| Price | $7.99 | $0.99 — better |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Fortnightly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #161 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Klaus Fecker | PHILIP BRADLEY KING |
Customer experience
UniTuner Pro
CentiGrade Visual Tuner
In-app purchases
UniTuner Pro
No in-app purchases
CentiGrade Visual Tuner
No in-app purchases
Questions
Is UniTuner Pro free?
Is CentiGrade Visual Tuner free?
Which has better reviews, UniTuner Pro or CentiGrade Visual Tuner?
Do UniTuner Pro or CentiGrade Visual Tuner have ads?
Which is updated more often, UniTuner Pro or CentiGrade Visual Tuner?
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