TrueTune - Violin Tuner
TrueTune - Violin Tuner is made and published by Cafo Kajmer. AppBrain is an independent app data site and isn't affiliated with Cafo Kajmer. The app name, icon, screenshots and description belong to Cafo Kajmer and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- September 3, 2026
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Releases
Updates seen on the App Store- Version
- 1.0
- Launched
- September 2026
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 1.55 MB
- Content rating
- Everyone
Technologies used by TrueTune - Violin Tuner
About the app and developer
About TrueTune - Violin Tuner
TrueTune - Violin Tuner is a music app developed by Cafo Kajmer.
What is the rating of TrueTune - Violin Tuner?
TrueTune - Violin Tuner has no ratings yet.
Is TrueTune - Violin Tuner free?
TrueTune - Violin Tuner is free. The app size is 1.55 MB. The latest version available is 1.0. The last update was on September 3, 2026.
What are the requirements for TrueTune - Violin Tuner?
The app has a content rating of Everyone. The app has been available on the App Store since September 2026.
Developer information for Cafo Kajmer
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Store listing
By Cafo Kajmer, from the App StoreDescription by Cafo Kajmer Written by the developer, not by AppBrain. Click to read.
Tune first. Choose Violin Strings and tap G, D, A or E to lock a target, or switch to Chromatic and let TrueTune follow whatever you play. You see the note, the deviation in cents, the target frequency, and one clear instruction: Tune up, Tune down, or In tune. Nothing else to interpret.
Then keep playing. The same listening engine powers short guided lessons and practice drills, so the tuner stays useful after your strings are in tune.
WHAT YOU GET
• Violin tuner with string mode and chromatic mode
• Note name, cents deviation, target frequency, stability and confidence meters
• Adjustable concert pitch from 415 to 466 Hz
• A responsive string line that bends toward your pitch and settles when the note is steady
• Sixteen short lessons across six modules: handling and posture, open strings, pitch control, first finger, a first melody, and a daily five-minute review
• Practice drills: open strings, note trainer, rhythm bow with a count-in, and free play
• Honest results after each exercise: accuracy, how much of the time you held the note steady, your strongest note, and one plain-language tip
• Progress that means something: weekly minutes, recent accuracy, streak and personal bests
BUILT FOR BEGINNERS
Note names sit beside the notation, so you do not need to read music fluently to start. Instructions are short and specific. When the sound is unclear, TrueTune says so instead of guessing a note.
TrueTune never tells you which way to turn a peg, because every instrument is set up differently. It tells you whether the pitch is high or low and lets you decide.
PRIVACY BY DESIGN
Sound is analysed on your iPhone, and only while you are inside a listening screen. Audio is never recorded, stored or uploaded. There is no account, no advertising, no tracking and no network access — TrueTune works completely offline.
ACCESSIBILITY
VoiceOver labels on every control, Dynamic Type support up to the largest accessibility sizes, Reduce Motion and Reduce Transparency support, and touch targets sized for comfortable use.
TrueTune listens to pitch and steadiness. It cannot see your bow arm or your posture, so it is a practice partner rather than a replacement for a teacher.