iTuner vs UniTuner Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iTuner
This professional chromatic tuner offers high accuracy for instruments like guitar, piano, and violin. It includes a tone generator with various tuning systems, waveforms, and a frequency meter for precise tuning and voice training.
- High accuracy chromatic tuning
- Tone generator with tuning forks
- Frequency meter and spectrum FFT
- Multiple tuning systems
- Adjustable tuning frequency
- Various waveform generation
Read full descriptionHide full description
Professional Chromatic tuner with Tone generator. Tune Guitar, Piano, Violin with a iTuner app. - High Accuracy ( > 0.01 semitone) - Tuning forks (20 - 20 000 Hz) - Frequency meter - Spectrum FFT - Use for Voice training Tuning systems: - Equal temperament (1, 2¹⁄¹², 2²⁄¹², 2³⁄¹², 2⁴⁄¹², 2⁵⁄¹², 2⁶⁄¹², 2⁷⁄¹², 2⁸⁄¹², 2⁹⁄¹², 2¹⁰⁄¹², 2¹¹⁄¹², 2) - Pythagorean (1, ²⁵⁶⁄₂₄₃, ⁹⁄₈, ³²⁄₂₇, ⁸¹⁄₆₄, ⁴⁄₃, ¹⁰²⁴⁄₇₂₉, ³⁄₂, ¹²⁸⁄₈₁, ²⁷⁄₁₆, ¹⁶⁄₉, ²⁴³⁄₁₂₈, 2) - 12 equal parts (1, ¹³⁄₁₂, ⁷⁄₆, ⁵⁄₄, ⁴⁄₃, ¹⁷⁄₁₂, ³⁄₂, ¹⁹⁄₁₂, ⁵⁄₃, ²¹⁄₁₂, ¹¹⁄₆, ²³⁄₁₂, 2) Tuning frequency: - Adjustable. Default 440 hz Waveforms: - Sine - Triangle - Sawtooth - Square Guitar Tuning - recommended press all next strings Piano Tuning - for octaves 0,1,2 need use external mic. Unlock octaves: Your subscription will renew automatically each year and payment will be charged to your iTunes Account within 24-hours prior to the end of the current period. You can turn off auto-renewal by going to your Account Settings after purchase. Terms of Use: http://gv-apps.com/appsTermsOfUse.html Privacy Policy: http://gv-apps.com/appsPrivacyPolicy.html
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)
Read full descriptionHide full description
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
Screenshots
Verdict
The clearest difference is review sentiment: UniTuner Pro at 100% against iTuner's 11%. UniTuner Pro also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 3). iTuner's advantage is price (Free vs $7.99) and ratings volume (116 vs 1). On ads 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
iTuner is free to download; UniTuner Pro costs $7.99 up front. iTuner sells 3 in-app purchases, starting at $0.99 per year. UniTuner Pro asks for nothing beyond the download.
UniTuner Pro holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: iTuner has 116 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 11% of iTuner's written reviews are positive against 100% of UniTuner Pro's.
iTuner ships an update every 4 months, UniTuner Pro fortnightly. The most recent releases landed on October 29, 2026 and October 13, 2026 respectively.
| Parameter | iTuner | UniTuner Pro |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 4.4 (116 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 10.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 116 — better | 1 |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Paid — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 10 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Vitalii Gryniuk | Klaus Fecker |
Customer experience
iTuner
UniTuner Pro
In-app purchases
iTuner
- Premium Version$0.991 Year
- Unlock octaves$0.99
- Remove Ads$0.99
UniTuner Pro
No in-app purchases









