Privacy
Last updated 21 October 2026
Hillmill collects no data.
No account, no ads, no analytics, no tracking, no third-party SDKs, no server. Workouts, runs and settings are stored only on your iPhone; deleting the app deletes them.
Apple Health
Only if you turn on Save to Apple Health, the app writes your treadmill workout (distance, active energy, flights climbed) and may read your body weight to estimate energy; this data stays in Apple Health on your device and is never sent to us.
Purchases
Purchases are handled by Apple; we never see payment details.
Children
Not directed at children under 13.
Talk to your doctor before starting hard exercise. Stop if you feel dizzy, chest pain or short of breath.
2026 Sang Huynh Xuan
Privacy
Last updated 21 October 2026
Hillmill collects no data.
No account, no ads, no analytics, no tracking, no third-party SDKs, no server. Workouts, runs and settings are stored only on your iPhone; deleting the app deletes them.
Apple Health
Only if you turn on Save to Apple Health, the app writes your treadmill workout (distance, active energy, flights climbed) and may read your body weight to estimate energy; this data stays in Apple Health on your device and is never sent to us.
Purchases
Purchases are handled by Apple; we never see payment details.
Children
Not directed at children under 13.
Talk to your doctor before starting hard exercise. Stop if you feel dizzy, chest pain or short of breath.
2026 Sang Huynh Xuan