Fernday

Count your sober days.

A private counter for quitting drinking, smoking or any habit. One tap a day, and Moss grows with you.

Download on the App Store
The Fernday Today screen showing a 47 day counter
Moss the tortoise

Plants grow on Moss's shell as your days add up.

Moss with a small tree on its shell
  1. Day 1
  2. Week 1
  3. Month 1
  4. 3 months
  5. 6 months
  6. 1 year
  1. STEP 1

    Set your start date

    Pick the day you stopped, or start today.

    The Fernday check-in screen
  2. STEP 2

    Check in once a day

    One tap adds the day. Note your mood and cravings if you like.

    The Fernday journal calendar
  3. STEP 3

    Ride the urge

    Open Help when it hits. Breathe, and let it pass.

    The Fernday help screen with a breathing timer

What you get

  • Day counter

    For alcohol, cigarettes, vaping, cannabis or anything else.

  • Mood and craving journal

    See your hard days at a glance.

  • Milestones

    From 1 day to 5 years.

  • A slip does not erase your progress

    Total days free and longest streak stay.

  • Money saved

    In your own currency.

  • Calm help in one tap

    Local helplines in 8 countries, and a worldwide directory everywhere else.

Private by design.

No account.No ads.No tracking.

Everything stays on your iPhone. Optional Face ID lock.

Free to use. One-time Plus unlock, no subscription.

Moss cheering

Fernday is not a medical service and does not give medical advice. If your body may depend on alcohol, stopping suddenly can be dangerous. Talk to a doctor first. If you are in danger, call your local emergency number.

FAQ

Is it free?
Fernday is free to use. Plus is a one-time unlock, never a subscription.
Is my data private?
Yes. Everything stays on your iPhone. There is no account, no ads and no tracking.
What happens if I slip?
Your total days free and longest streak stay. Only today's count starts again.
Does it work offline?
Yes. Your data lives on your iPhone, so the counter works without a connection.
Which countries are the helplines for?
Fernday lists official helplines for the US, UK, Canada, Australia, Ireland, New Zealand, Germany and France. Everywhere else, Help opens findahelpline.com, a worldwide directory of free, confidential helplines.