Hear scales, intervals, and tuning clearly. Build a stronger ear, improve intonation, and practice confidently with drones and scale playback.
Train your ears. Strengthen your intonation. Play with greater confidence.
Scale Master helps musicians develop a more reliable sense of pitch by turning intonation into something you can clearly hear, feel, and practice. Whether you sing, play a wind or string instrument, rehearse an ensemble, or teach music, Scale Master provides a steady tonal reference that makes focused listening easier.
Practice with a sustained root and justly tuned interval to hear when two notes truly resonate. As your pitch settles into place, beating is reduced and the sound becomes clearer—helping you learn the sensation of playing in tune, not merely watching a tuner.
Switch to scale practice to build dependable pitch placement across keys. Hear each scale ascend and descend while following its pattern on screen, then work at your own pace with adjustable tempo, note length, repetition, and metronome support.
Scale Master can help you:
• Recognize and correct intonation more quickly
• Hear the resonance of well-tuned intervals
• Develop stronger interval and scale awareness
• Improve ensemble balance and harmonic listening
• Practice confidently with a stable tonal center
• Demonstrate pitch relationships clearly to students
Choose your concert root, octave, transposing instrument, enharmonic spelling, and pitch calibration to create a practice environment that fits your music. Use Scale mode for consistent equal-tempered pitch placement, or Drone mode to explore the resonance of just intonation.
Included scales cover essential material such as major, natural minor, harmonic minor, blues, whole tone, chromatic, and pentatonic scales. An optional Jazz Modes upgrade adds Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, and Locrian modes.
Designed by a professional musician and educator, Scale Master is a practical ear-training companion for students, teachers, ensemble directors, and experienced performers who want to hear more deeply—and play more beautifully in tune.
I’ve been using this app for years to practice intonation using slow scales. I only wish they could go even slower than half notes at 60.
Developer Response
New update coming and will make sore this is in there.
Excellent
keyplayr88
I’m very happy with this program because it does what I need it to do: figure out what key a song is in!
Decent but could be way better
solynd
First, scales freeze at times and needs to shut down before it works again. Should include whole notes and wider metronome range. Two octave scales would be great. Otherwise, helpful for intonation practice.
Included in this release:
- Critical increase in drone volume
- Bug fix for subsequent scale count off
Version 2.3
The developer, Gil Estes, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
