// Product Portfolio

Application Matrix

A detailed look at each Jinyuanh application — design intent, technical approach, and user outcomes.

v2.6.0 · iOS / iPadOS / macOS

Multi-Track Audio Editor

Our flagship privacy-first audio workstation. Multi-track recording, mixing, effects, and export — entirely on-device. Built for podcasters, musicians, and field recordists who value their recordings.

→ 32-track timeline with per-track effects
→ Real-time FFT spectral visualization
→ Built-in synthesizer with wavetable + granular
→ Lossless export to WAV / FLAC / ALAC
→ Generative ambient layer engine (v2.6)

Offline Pro Audio Universal

v2.1.0 · iOS / Android

Freshness Tracker

Track ingredient shelf-life with elegant algorithms that calculate exact expiry windows. Reduces household food waste by an average of 23% among active users.

→ Barcode scan + manual entry
→ Storage-location aware expiry calculation
→ Recipe suggestions from soon-to-expire items
→ Apple Watch complication
→ iCloud sync via private container (opt-in)

Kitchen Local-First

v1.4.2 · iOS / watchOS / Android

Route Logger

A trajectory recorder that respects your privacy. Logs GPS routes to local storage with optional heatmap visualization and GPX export.

→ Background location tracking with battery awareness
→ Heatmap overlay with privacy-preserving aggregation
→ GPX / KML / GeoJSON export
→ Apple Watch + Wear OS companion apps
→ Zero cloud sync by default

GPS Travel Privacy

v1.2.0 · iOS

Credential Expiry Alert

A reminder engine for licenses, certifications, and credentials. Vision-framework document scanning extracts dates directly from physical cards and PDFs.

→ On-device OCR for ID and certificate scanning
→ Customisable alert lead times
→ Family Sharing support
→ Local notifications (no push required)
→ Encrypted PDF archival

OCR Archive

v1.8.1 · iOS / Android

Personal Goal Engine

Decomposes ambitious goals into actionable milestones. Uses constraint-based decomposition algorithms to balance ambition with realism.

→ Recursive goal decomposition engine
→ Calendar integration with iCal / Google Calendar
→ Streak tracking with motivational nudges
→ Habit compounding visualizer
→ Privacy-respecting opt-in sharing

Productivity Local

v0.9.0 (Beta) · iOS

Collection Vault

An aesthetic cataloging tool for jewelry, watches, and collectibles. Local-first ledgering with optional encrypted backup.

→ High-resolution photo capture with depth data
→ Insurance-grade appraisal exports (PDF)
→ Provenance tracking
→ Searchable metadata
→ Optional encrypted iCloud backup

Catalog Aesthetic