UniTuner - Chromatic Tuner

Klaus Fecker · Music

4.6 135 ratings Free

Independent analytics for this App Store listing. AppTracker is not affiliated with Klaus Fecker.

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 5, 2026
Rating ★ 4.58 → 4.59
Sep 4, 2026
Rating ★ 4.59 → 4.58
Aug 28, 2026
Rating ★ 4.58 → 4.59
Aug 26, 2026
Rating ★ 4.6 → 4.58
Aug 26, 2026
New version 4.2.1 → 4.3

Adjustable Window Size for the iPad

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.

Average rating history over the observed period. 4.50 4.55 4.60 4.65 Aug 23 Sep 5 Sep 19 Oct 2 Oct 15

Average rating · ★ 4.59 now · 4 changes on record

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 79% 106
4★ 10% 13
3★ 7% 10
2★ 1% 2
1★ 3% 4

In-app purchases · US

What this app sells inside itself, grouped by kind and priced for this storefront.

One-time purchases
Silver Supporter $1.99
Gold Supporter $3.99
Purple Supporter $5.99
Emerald Supporter $7.99
Sapphire Supporter $24.99

Screenshots

About

Features: - Capo Simulation: Simulate a capo on your instrument while maintaining familiar results. - 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 Sinewave, Triangle, and Square-Wave options. - Audio Visualization (Spectrum): View your instrument's harmonic spectrum for better understanding. - Tuning Map: The Tuning Map is a tool for tuning notes of instruments that only sound briefly. So, if the tuner doesn't show anything yet, you can already read out the pitch in the Tuning Map. - Timeline: Visualize the pitch in cents of the detected note. - 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 - "Perfect 5th" tuning for: Violin, Viola, Cello, Double bass. - Tone Names: English, German, Japanese, 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

What's new · 4.3

Adjustable Window Size for the iPad

Details

DeveloperKlaus Fecker
ReleasedFeb 2021
UpdatedJun 2026
Version4.3
Size4.1 MB
RequiresiOS 15.6 or later
Age rating4+
LanguagesEnglish, French, German, Spanish
PriceFree
Categories MusicProductivity
Bundle IDde.naiv.Tuner