Blog
Development updates, technical deep-dives, and course design insights.
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The Unglamorous Week After Shipping
Launches get the applause, but trust gets built in the audit nobody sees. Right after shipping streaks and notifications, we tore through our own code — here is what we found, what made us wince, and what we fixed.
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A Follow-Up: Practice Streaks and Notifications That Respect You
Right after writing about why FretsNotes took two months, we kept going — and shipped practice streaks plus a notification system designed to nudge, not nag. Here's what's new and how we think about reminders.
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Why FretsNotes Took Almost Two Months to Build
A behind-the-scenes look at what actually went into FretsNotes — one shared engine across three platforms, 110+ courses, real ear training, and playing your actual guitar — and why we chose depth over a quick MVP.
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Practice Hub Rework & Android Update
Server-configurable exercise unlocks, curriculum switching on Android, and a round of bug fixes that make the app feel much more polished.
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Beta Progress: Two Platforms, 110 Courses, and What Comes Next
A recap of where FretsNotes stands — iOS and Android live, 110+ courses across 8 series, and a look at what we are building next.
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16 Exercise Modes: Read It, Find It, Hear It, Play It
A deep dive into the 16 exercise modes in FretsNotes — how they work together to build real fretboard knowledge from multiple angles.
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Designing a Curriculum for Complete Fretboard Mastery
How we structured 110+ courses across 8 series to take you from your first note to reading, hearing, and playing across the entire fretboard.
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The Rust Engine Behind FretsNotes
Why we chose Rust for the core exercise engine, and how UniFFI lets us share it across iOS, Android, and the upcoming web app.
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FretsNotes Comes to Android
We built the full Android app from scratch using Kotlin and Jetpack Compose, powered by the same Rust engine that runs on iOS.
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Introducing FretsNotes: A New Way to Learn Music Theory on Guitar
We are building an app that teaches music theory and applies it immediately on your guitar — with 110+ structured courses, 16 exercise modes, and intelligent practice.