Small iPhone apps for health, focus and better thinking.

13 indie apps I built for myself first, usually starting with a tool I wanted. Most keep your data on your iPhone.

Health & longevity

Ask plain-English questions about your sleep, HRV and recovery. Bring your own AI key; your health data never leaves your iPhone.

Five longevity signals from Apple Health. HRV resilience is free; Pro adds VO₂max, sleep recovery, gait speed and resting heart rate trajectory.

One daily score for health, habits and stress, with anti-stress habits, stress-spend logging and weekly AI reflections.

A readiness score from resting heart rate, HRV and sleep, so you can plan your day around your actual capacity.

Ask plain-English questions about your Apple Health history and get focused answers from the AI model of your choice.

Pick two Apple Health metrics, live for about two weeks, and get an honest plain-English verdict with a confidence level.

Track under-desk walking-pad sessions: steps and distance from belt speed, science-backed calories, Apple Health sync.

A dead-hang tracker for grip strength and shoulder tolerance, with history, trends, streaks, goals and reminders.

Block distracting apps and websites with intentional focus sessions, without a complicated settings menu.

Reminds you on payday until you move money to savings. Monthly goals, local reminders, everything on your iPhone.

A guided ceremonial cacao ritual: intention setting, mindful preparation and quiet reflection.

A playful bedtime routine for kids: check off steps, build streaks and earn small rewards.

A multi-model AI debate arena. Watch AI personas argue both sides with evidence, then form your own view.

Bundle & save

Email me and I’ll send dedicated purchase links for the combination you want, at a discount.