Uncluttered by design
One clear screen for your fast. No ads, no feed, no upsell noise pulling at your attention.
No ads, ever
Fasting with structure, without the noise.
Ayuno is a calm, uncluttered intermittent fasting app for iPhone. Set a fast, watch it on your Lock Screen, and keep an honest record of how it goes. Nothing to hustle. Nothing to prove.
iPhone · iOS 17 and later · Free to start
What makes Ayuno different
A trusted tool, not a hustle app.
Extended and custom fasts
36h, 48h, 72h, and custom multi-day fasts — not just basic 16:8.
Live Lock Screen timer
Your fast on the Lock Screen and Dynamic Island, updating in real time.
Coaching that adapts
Personalized, rules-based guidance shaped by your own fasting history — not generic tips.
Live Activities
Your fast, on the Lock Screen.
A live timer on your Lock Screen and in the Dynamic Island. Glance down and see exactly where you are — no need to open the app.
- Real-time progress, updated by the system
- Elapsed and remaining, at a glance
- Nothing to check, nothing to refresh
9:41
Friday, July 10
Ayuno · 16:8
The Journal
A record you will actually keep.
Note how a fast felt, log your mood, and look back over time. Honest history, kept in plain language — no scores, no shame.
- Mood plus a short note per entry
- A calm, scrollable timeline
- Yours alone, private by default
Insights
See the trend, not the pressure.
Streaks, achievements, weight trend, and a weekly recap. Quiet signal that helps you notice what is working.
- Streaks and milestone achievements
- Weight trend over time
- A weekly recap worth reading
Works with Apple Health
Sync weight, steps, and mindful minutes with Apple Health, so your fasting sits alongside the rest of your day. You choose what to share.
Start when you are ready
Download Ayuno and set your first fast. No account required to begin, and nothing to figure out.