Duy Chinh (Tony) Dinh

Build the bridge you wished you'd had.

CRM analyst in London and Computer Science graduate. I build small, honest tools for the problems I actually have, starting with my own recovery.

See the problems I've solved

Case study · Recovery dashboard

CHINH

Morning data from my strap becomes a recovery score, clear directions and an hour-by-hour plan, scored against my own 30-day baselines.

  • React
  • Tailwind
  • Apple Health
  • iOS Shortcuts
Open the appSee how it's built

Today · example

High Output Day
HRV
78ms
Resting HR
48bpm
Sleep
7.2h

  1. 01

    Sync

    Helio Strap → Zepp → Apple Health. One Shortcut sends last night's HRV, resting HR and sleep.

  2. 02

    Score

    Sleep 35% · HRV & RHR 35% · Soreness 20% · Energy 10%, against my own rolling baselines.

  3. 03

    Direct

    Every direction says what to do and the number behind it, then the day's plan rewrites itself.

Health data never leaves the phone. No server, no account.