Vocal Pitch Monitor · Music Note Identifier
Vocal pitch monitor that shows the exact note
Tonarly is a vocal pitch monitor and music note identifier for iPhone. Sing, hum, or play piano, guitar, violin, or ukulele and see the note, octave, Hz, and cents the moment you make a sound.
- Designed for iPhone
- Privacy first
- On-device processing
Vocal Pitch Monitor
See your voice move in real time.
Music Note Identifier
Exact note, octave & cents instantly.
Pitch Trace
Visualize your pitch stability and range.
Chord Detection (Pro)
See the full chord you're playing.
Privacy First
Audio never leaves your iPhone.
Features
Vocal pitch monitor features for singers and players
Every readout comes from your microphone: a live vocal pitch monitor, a music note identifier, and chord detection on Pro.
Real-Time Vocal Pitch Monitor
A precision cents needle follows your voice so you can see exactly how sharp or flat you are, note by note.
Music Note Identifier
Get the precise note name, octave, frequency in Hz, and cents deviation from any sound, in under a second.
Scrolling Pitch Trace
Watch your pitch move over time on a piano-roll style graph and train yourself to hold notes rock-steady.
Chord Detection
Strum once and Tonarly names the chord — major, minor, 7th, sus, and dim — with the notes inside it and a guitar voicing.
Multiple Notations
View notes as letters (A B C), solfège (Do Re Mi), or ドレミ — whichever notation you think in.
Adjustable A4 Reference
Calibrate the A4 reference pitch anywhere from 435 to 445 Hz to match any instrument or ensemble.
Voice & Any Instrument
Sing, hum, strum, or play — voice, guitar, piano, violin, ukulele, and more. A C is a C, whatever makes the sound.
On-Device Processing
100% of the analysis happens on your iPhone. Tonarly never records, uploads, or stores your audio. Ever.
Also: light & dark mode, and available in English, German, Spanish, French, Italian, Japanese, Korean, Portuguese, and Chinese.
Vocal Pitch Monitor
Watch your voice on a live vocal pitch monitor.
The Monitor tab is Tonarly's vocal pitch monitor: a continuous live readout of your voice. A precision cents needle follows every note you sing, while a scrolling piano-roll pitch trace shows wobbles, scoops, and drift so you can hold notes steady.
- Live note, octave, Hz, and cents — updated as you sing
- Scrolling pitch trace across a five-octave range (C2–C7)
- See exactly how sharp or flat you are against the target note
- End a session to freeze the trace and review it
Chord Detection · Pro
Chord identifier: strum once, know the chord.
Tonarly Pro identifies the full chord in real time as you sing or play — major, minor, 7th, sus, and diminished. You get the chord name, every note inside it, and a guitar fretboard voicing.
- Works on any instrument — guitar, piano, ukulele, and more
- Shows the notes in the chord with the root highlighted
- Fretboard diagram with a playable voicing
On-Device Processing
Zero uploads. Ever.
Every sound is analyzed on your iPhone. Tonarly never records audio, never uploads anything to a server, and never shares your data. Microphone access is the only permission it needs.
How it works
How this music note identifier works
Open Tonarly, allow the mic, and sing or play. The vocal pitch monitor updates as you go.
Open the app
Launch Tonarly on your iPhone and allow microphone access — the only permission it needs.
Sing or play
Use your voice or any instrument. Tonarly analyzes the pitch live with studio-grade DSP.
See the exact note
The note, octave, Hz, and cents appear in under a second — and update as you keep playing.
For musicians
Vocal pitch monitor for every musician
Singers
Use the vocal pitch monitor to warm up, check pitch, and train intonation.
Guitarists
Identify notes and chords by ear, then check your tuning.
Pianists
Use the music note identifier to check tuning and transcribe.
Music Students
Learn notes, intervals, and solfège by ear.
Songwriters
Find the note or key of the melody in your head.
Producers
Identify samples and reference tracks by pitch and note.
Pricing
Try Tonarly for free
Get started with the free tier. It includes daily music note identification and vocal pitch monitoring time, every notation, and A4 calibration. Upgrade to Pro for unlimited access.
Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings. Terms · Privacy
Tonarly Pro
PRO- Unlimited note identification
- Unlimited pitch monitoring
- Real-time chord detection
Weekly
$4.99
per week
Yearly
$24.99
per year
7-day free trial
Lifetime
$49.99
one-time
Pay once
FAQ
Vocal pitch monitor & music note identifier FAQ
What is a vocal pitch monitor?
A vocal pitch monitor shows the note you are singing as you sing it: letter, octave, frequency in Hz, and how many cents sharp or flat you are. Tonarly is a vocal pitch monitor for iPhone with a live cents needle and a scrolling pitch trace.
How does a music note identifier work?
A music note identifier listens through the microphone and names the pitch it hears. Open Tonarly, sing, hum, or play any instrument, and the exact note, octave, and cents appear in under a second. All analysis stays on your iPhone.
Is Tonarly a vocal pitch monitor for singers?
Yes. Singers use Tonarly to warm up, check pitch accuracy, and train intonation. The Monitor tab follows your voice in real time so you can see wobbles, scoops, and drift, then hold notes steady.
Is Tonarly free?
Yes. The free tier includes daily music note identification and vocal pitch monitoring time, plus every notation and A4 calibration. Tonarly Pro removes the limits and adds real-time chord detection.
Does Tonarly record or upload my audio?
No. All audio is processed entirely on your device. Tonarly never records audio, never uploads anything to a server, and never shares your data. Microphone access is the only permission it needs.
What instruments does this music note identifier work with?
Any sound source: voice, piano, guitar, violin, ukulele, brass, woodwinds, and more. A detected C is a C regardless of what makes the sound.
What's included in Tonarly Pro?
Unlimited music note identification, unlimited vocal pitch monitoring, and real-time chord detection. Pro is available as a weekly ($4.99) or yearly ($24.99, with a 7-day free trial) subscription, or a one-time lifetime purchase ($49.99).
Which notations and languages are supported?
Notes can be shown as letters (A B C), solfège (Do Re Mi), or ドレミ. The app is available in English, German, Spanish, French, Italian, Japanese, Korean, Portuguese, and Chinese, with light and dark mode.