Scales Pro Trainer — Lifetime Pro Access for iOS Scales Pro Trainer is a focused scale reference and practice tool for musicians. Explore essential scale families in all 12 keys with clear visual layouts and accurate audio playback. Practice major, natural minor, harmonic minor, melodic minor, pentatonic, blues, chromatic, and more. Adjust playback speed, direction, and looping to support technique, ear training, scale fluency, and exam preparation. Lifetime Pro Access unlocks additional scale families and extended practice features. Features: • Clean visual layouts for every scale and key • Smooth, precise audio playback • Adjustable speed, direction, and looping • Helpful practice support for beginners and advanced musicians • 29-language interface support • No ads, no tracking, and no account required Redeem this App Store offer code to unlock permanent Lifetime Pro Access.