Fast Together,
Stay Motivated

A simple fasting timer that brings your friends along on the journey.

Friend Fast app showing active fast with friends

Fasting is better with friends

Most fasting apps focus on streaks and guilt. Friend Fast is different. We believe the best motivation comes from doing things together.

Fast Together

See when your friends are fasting in real-time. Their progress becomes your motivation.

Beautifully Minimal

A clean, glanceable interface. Start a fast, see your progress, and get on with your day.

No Guilt, No Pressure

Flexible fasting with no streaks to break. Life happens, and that's okay.

Flexible Scheduling

Start fasts retroactively, edit times, choose from presets or go open-ended.

Track Your Journey Together

Beautiful insights that help you and your friends stay motivated

  • See your streaks and celebrate milestones
  • Compare your weekly patterns
  • Track personal records and growth
Friend Fast stats dashboard showing fasting insights

"The simple act of knowing my friends are fasting too makes all the difference."

Go Further with Friend Fast+

Unlock everything. Deeper insights, more control, and new ways to fast together.

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Know Your Body

  • Real-time fasting zones
  • Fat burning, ketosis & autophagy stages
  • Zone timeline for every fast
  • Track total hours in each zone
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Fast From Anywhere

  • Apple Watch app
  • Watch face complications
  • Home screen widgets
  • Lock screen widgets
  • Siri voice commands
  • Shortcuts automation
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Deep Insights

  • Weekly & monthly trends
  • Compare months and years
  • Personal records with dates
  • "This time last year"
  • Weight trend overlay
  • HealthKit integration
  • Export your data
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Friend Analytics

  • Fasting overlap history
  • Group averages & stats
  • See how friends motivate you
  • Custom fasting presets
  • Milestone achievements
Popular

Yearly

$29.99 /year

Best for most fasters

Family

$49.99 /year

Up to 6 people via Family Sharing

Start fasting with friends today

Download Friend Fast and invite your first friend.