AppYonder

Flat or Sharp

Euphorophonics, LLC

No ratings yetMusicAges 4+

Get it free on the App StoreOpens Apple's App Store

Screenshots

About this app

Learn how to hear whether musical intervals are flat or sharp by playing a fun quiz-style game! Flat or Sharp includes all musical intervals from a minor 2nd all the way up to two octaves, in melodic or harmonic varieties. Difficulty levels are fully customizable with a variety of options to accommodate any level of musicianship, from beginner to seasoned pro.  - Progressively hone your ear by setting desired tuning accuracy from +/- 50 cents all the way down to +/- 5 cents.  - Play notes for as long as 4 seconds or as little as 0.2 seconds to work on how quickly you can recognize the intonation. - Play intervals harmonically or melodically; ascending or descending. - Adjust musical register and timbre of tones to suit your personal preferences. - Track your progress with percentage correct and longest streak of correct guesses, viewable by time frame, so you can see how your ear improves with practice! - Packed full of information on practice suggestions and tips for hearing each of the musical intervals!

What's new

Version 2.0 · Dec 15, 2025

This version features a full re-design of the app's appearance, various bug fixes, addition of the "in-tune" option, and a subscription option for the premium features.

In-app purchases

The most popular purchases on the App Store.

  • Flat or Sharp Premium (Annual)Subscription17,99 $US / year
  • Flat or Sharp Premium (Monthly)Subscription · 2 months free trial3,99 $US / month
  • BUNDLE - All Premium OptionsConsumable5,99 $US
  • Both Interval DirectionsConsumable0,99 $US
  • All Duration OptionsConsumable1,99 $US
  • All Accuracy OptionsConsumable3,99 $US