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STUDIO JOURNAL

Engineering deep-dives, product updates & craft essays

A small selection of recent writing — long-form enough to be useful, short enough to read over a coffee.

Engineering
2026 · 05 · 28·9 min read

Procedural Rhythm Engines in Swift: From Euclidean Beats to Adaptive Polyrhythms

We open the lid on the rhythm generator behind our audio archive app — and explain why we chose procedural generation over pre-baked audio files.

Lead · Audio DSP
Programmatic Audio Synthesis
Privacy & Compliance
2026 · 05 · 11·7 min read

DSA & ATT in 2026: The Latest EU Transparency Expectations We Have Shipped Against

A practical checklist of the DSA & ATT updates we have implemented this quarter — including the new ad-repository transparency report cadence and the consent revocation timeline.

Lead · App Store Compliance
Submission · Store Policy · ASO
Design & Craft
2026 · 04 · 22·11 min read

Theatre Between Tap and Response: A Field Guide to Micro-interactions

Why we treat the 200ms after a tap as sacred stage time — and how our motion designers compose those moments to build trust without ever calling attention to themselves.

Lead · Visual Interaction
Immersive Interface & Motion
Release
2026 · 04 · 03·4 min read

Audio Sheet Music Archive v3.0 — Adaptive Practice Sessions & On-device Mistake Heatmaps

Our latest release brings adaptive practice plans, on-device mistake heatmaps and a fully redesigned score browser.

Studio
Release Notes
Engineering
2026 · 03 · 18·8 min read

Why We Migrated our On-device Analytics to a Property-based Test Pipeline

A walkthrough of how property-based testing let us catch three subtle bugs in our analytics layer that no human-written test would have surfaced.

Lead · Local Data Engineering
Core Data · SQLCipher · CloudKit
Privacy & Compliance
2026 · 02 · 27·12 min read

A Pragmatic Tour of the 2026 US State-by-state Privacy Patchwork

CPRA, VCDPA, CPA, CTDPA, UCPA, TIPA — the new wave of state privacy laws, decoded for engineering teams shipping consumer apps in the United States.

Lead · Privacy & Security
Encryption · Consent · Compliance
Design & Craft
2026 · 02 · 09·6 min read

Sensory Polish Without Sensory Pollution: Drawing the Line on Haptic Feedback

A short essay on restraint. Where haptics help, where they annoy, and the one heuristic we use to decide if a tap should vibrate at all.

Lead · Visual Interaction
Immersive Interface & Motion
Release
2026 · 01 · 23·3 min read

Home Cost Engine v2.5 — Multi-currency Scenarios & Local Tax Profiles

Renovation planning just got international. Our latest release brings multi-currency scenarios and locally curated tax profiles across 24 jurisdictions.

Studio
Release Notes
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