Show HN: I made an app to live longer (free, open source, no tracking)

apps.apple.com

2 pointsbdav244 comments

I made it for me, nothing fancy, but feel free to use it as well.

It's free, no account needed (no server, all data stays on your phone), no tracking, open sourced (https://github.com/bdav24/illll).

It's a tracker for 6 longevity habits backed by research:

1. Sleep — brain clears toxic waste during deep sleep, <7h raises mortality 13%

2. Exercise — 11 min/day of walking cuts premature death risk 23% (Br J Sports Med, 2023)

3. Healthy eating — cuts depression risk 33% (SMILES trial), cardiovascular disease 30% (NEJM, 2018)

4. Structured breathing — 5 min/day, lowers cortisol, raises HRV (Stanford, 2023)

5. Morning sunlight — 10-30 min, sets circadian clock, boosts serotonin (JAMA Psychiatry, 2016)

6. Gratitude — writing 3 things daily, measurable neural changes lasting months

But you can also set custom goals and add your own habits.

Any feedback is welcome!