# 408Jazz — Jazz Piano by Ear > Learn jazz piano by ear with chord exploration, modal guides, and ear training. (iPhone/iPad app by CALVIN LEWIS HANSHAW.) - Source: https://appshunter.io/ios/app/408jazz/id6761672918 (this page in markdown: same URL + `.md`) - Developer: [CALVIN LEWIS HANSHAW](https://appshunter.io/developer/1890784927) - Category: Education - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 16.0 · 9 MB - Languages: American English - Released: 2026-04-16 - Data updated: 2026-07-20 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/408jazz/id6761672918/reviews.md ## What is 408Jazz? 408Jazz — Jazz Piano by Ear Learn jazz piano the way jazz musicians actually learn — by ear, not by reading. 408Jazz is your pocket guide to the sounds, colors, and vocabulary of jazz. Whether you're sitting down at the keys for the first time or looking to deepen your understanding of harmony, 408Jazz gives you the tools to hear what you're playing and understand why it works. Explore Jazz Harmony Dive into the chord library and hear every essential jazz voicing — from major 7ths and dominant 9ths to altered chords and beyond. See how each chord is built, hear how it sounds, and explore where it lives in a progression. Understand Modes & Colors The Modal Colour Guide brings modes to life across all 12 keys. Hear the emotional quality of Dorian, the tension of Lydian Dominant, or the sophistication of Altered — and learn to recognize them by sound, not just by formula. Train Your Ear Put your listening to the test with the Ear Training module. Identify chords and intervals by ear and build the internal musical vocabulary that separates great jazz musicians from good ones. Track Your Practice Log your sessions, track topics, and watch your progress grow over time. Share your practice log or reset and start fresh whenever you're ready. Built for Jazz, Designed for Mobile Dark mode, smooth navigation, and an interface that gets out of your way — so you can focus on the music. 408Jazz. Learn the language. Play the music. ## Key features - Learn jazz piano by ear - Explore jazz chord voicings - Understand modal colors - Train your ear for jazz vocabulary - Track practice sessions and progress - Mobile-friendly interface ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/408jazz/id6761672918/reviews.md ### 5/5 — Great App!! *2026-06-21* I’ve been looking for something like this to help me learn chords and help me with my ear training. Love this ## Frequently asked questions about 408Jazz ### How does 408Jazz teach jazz piano? 408Jazz teaches jazz piano by ear, focusing on listening to sounds and understanding musical vocabulary rather than reading sheet music. It provides tools to hear chords, understand their construction, and recognize them in progressions. ### What kind of musical concepts can I learn with 408Jazz? You can explore essential jazz voicings from the chord library, understand the emotional quality of different modes across all 12 keys, and learn to identify chords and intervals by ear through the Ear Training module. ### Can I track my progress with 408Jazz? Yes, 408Jazz allows you to log your practice sessions, track the topics you've covered, and monitor your growth over time. You can also choose to share your practice log or reset it. ### What devices is 408Jazz available on? Currently, 408Jazz is supported on iPhone devices. The app is designed with a dark mode and smooth navigation for a focused music learning experience. ### Is 408Jazz suitable for beginners? Yes, 408Jazz is designed for both those sitting at the keys for the first time and those looking to deepen their existing understanding of jazz harmony. Its focus on ear training makes it accessible for various skill levels. ### How often is 408Jazz updated? The app was last updated on April 16, 2026, with version 1.0. Future updates will likely focus on expanding content and refining features based on user feedback. ### What is the age rating for 408Jazz? 408Jazz has an age rating of 4+, making it suitable for a wide range of users interested in learning music. ### Does 408Jazz have ads? No, 408Jazz does not contain advertisements. The app is free to download and use without any interruptions from ads. ## Version history (last 2 releases) ### 1.1 — 2026-07-13 What's New in Version 1.1 Voice Training improvements — The solfège reference tone now plays at consistent volume across all 8 scale degrees. Sol, La, Ti, and the upper Do were quieter than the rest in 1.0; that's fixed. Modal Colour Guide — Each mode card now shows a mini piano keyboard with the scale degrees highlighted in the mode's colour, so you can see the pattern at a glance. Dorian's colour has also been updated for better readability. Premium UI refresh — Darker, richer interface throughout with gold accents, glass-style cards, and a consistent dark tab and navigation bar. Bug fixes — Background noise removed from the voice reference tone. Minor layout and colour fixes across Chord Library and Ear Training. ### 1.0 — 2026-04-16 No release notes. ## Related topics [jazz piano by ear](https://appshunter.io/ios/topics/jazz-piano-by-ear) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-20.*