About Driftly
Driftly is a sleep-tracking companion for iPhone and Apple Watch that helps you understand and improve how you sleep. It turns the sounds and signals of your night into a clear picture of your rest — no spreadsheets, no jargon, just insight you can use.
Using the microphone on your phone and the health data already captured by Apple HealthKit, Driftly builds a nightly sleep score, detects events like snoring or disturbances, and wakes you gently with a Smart Alarm tuned to your sleep cycle.
We built Driftly around a simple belief: your sleep data is personal. That is why the most sensitive parts of it never leave your device.
Privacy first
Audio is analyzed on-device. Nothing about your night is uploaded to a server.
Calm by design
No noisy dashboards. Driftly shows you what matters and gets out of the way.
Built on HealthKit
Sleep data lives alongside the rest of your health, under your iOS privacy controls.
What Driftly does
HealthKit Integration
Driftly reads and writes sleep sessions and related metrics through Apple HealthKit, so your sleep data lives where your other health data already lives — under your control.
Smart Alarm
Wakes you at the lightest point of your sleep cycle inside a gentle window, so you start the day feeling rested instead of jolted awake.
Sleep Score & Insights
Every morning Driftly translates the night into a clear sleep score with trends, event detection, and plain-language insights you can actually act on.
Goals & Achievements
Set consistency goals, build streaks, and earn milestone badges that keep you motivated to protect your sleep night after night.
Sleep audio is analyzed entirely on your device and is never uploaded to a server. Read how we protect your data in our Privacy Policy.
Read the Privacy PolicyReady to sleep better?
Download Driftly and understand your night by tomorrow.