Viola Tuner Professional
Viola Tuner Professional Summary
Viola Tuner Professional is a with in-app purchases iOS app in Music And Audio by Pedro Daniel Macalupu Cumpen. Released in Mar 2014 (11 years ago). It has 15 ratings with a 4.07★ (good) average. Based on AppGoblin estimates, it reaches roughly 61 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Oct 24, 2025.
Store info: Last updated on App Store on Oct 24, 2025 .
4.07★
Ratings: 15
Screenshots
App Description
Tune your viola instantly with precision and ease!
Optimal for beginners, intermediate and advanced musicians!
· The most accurate - displays the exact sound frequency in Hz.
· Calibration for A: 392Hz, 415Hz, 432Hz, 440Hz, 441Hz, 442Hz, 443Hz, 444Hz, 466Hz.
· Instant load and fastest tuning! - Optimized for latest devices.
· Highest responsiveness and sensitivity.
· Intuitive user interface with LED tuning indicator.
· Visual indicators - tuned string lights up.
· Universal app - works with iPhone, iPad and iPod touch.
· Advanced settings (A4 calibration, Mic sensitivity, Sound notifications) and Tuning fork! (as in-app purchases)
What our users say:
"Does what it promises - Very useful app."
"This app makes tuning so easy!"
"By far the greatest and most accurate viola tuning app. Play the string, read its chart and you know whether you're in tune."
"Amazing! Outstanding, well spent money!
"All violists should have this app!"
"It's very useful for me! Thank you!"
"Excellent app"
"Very convenient software. Suitable for any skill!"
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Please make sure to allow microphone access to this app when prompted.
Check it under Settings>Privacy>Microphone. Thank you.
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