
Cairn: Intermittent Fasting
Calm fast timer & progress
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Free
In-App Purchases
About
Cairn is a calm intermittent fasting app built to help you stay consistent without noise, pressure, or clutter.
Track your fasting windows with a simple timer, follow a routine that fits your day, and review your progress in a softer, more mindful experience.
Whether you’re starting with 12:12, easing into 14:10, settling into 16:8, or exploring longer fasting windows over time, Cairn helps make intermittent fasting feel clear and approachable.
What you can do with Cairn
- Track intermittent fasting windows
- Start and end fasts with a simple guided flow
- See elapsed and remaining time during an active fast
- Use common fasting schedules like 12:12, 14:10, 16:8, 18:6, 20:4, and 23:1
- Get reminders and fast completion notifications
- Review fasting progress in a calm visual archive
- Reflect after ending early without judgment
- Keep your fasting history stored locally on your device
Designed for a gentler routine
Cairn is for people who want a clean fasting tracker and timer without turning the experience into a loud optimization tool. It’s minimal, supportive, and built around rhythm, consistency, and follow-through.
Instead of overwhelming charts or aggressive coaching, Cairn focuses on clarity, calm, and daily practice.
A note on approach
Cairn is a fasting tracker and timer. It is not a medical device and does not provide medical advice.
Terms of Use: https://cairn.supergiant.software/terms
Privacy Policy: https://cairn.supergiant.software/privacy
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What's New in Cairn
1.0
August 7, 2026
Subscription plans
Bloom Monthly
Unlock longer fasts, premium themes, and richer bonsai.
$5.991 Month
1
In-App Purchases
$49.99
Bloom Lifetime
One-time purchase for lifetime Bloom access





