The best atomic habits habit tracker

You've read Atomic Habits by James Clear. Now track your atomic habits and stay accountable with a daily check-in from Harold.

Harold gumroad thumbnail

Get ready for radical self-improvement.

Over 1000 people have signed up for Harold. Here's what a few of them have had to say.

Harold is the first SMS-based and GPT-3 powered personal habit building coach.

Why? Because tracking your behavior is a scientifically proven behavior change technique.

Habit expert James Clear also agrees: tracking your behavior is key to developing new habits. 

The problem: tracking is hard. It's another thing you have to remember to do. And it's easy to fall off.

What do you want to improve on?

Harold is designed to help you making lasting, positive change in your life, however you see fit.

  • Building new habits

    • Meditation habits
    • Exercise habits
    • Sleep habits
  • Being mindful and aware of

    • Alcohol Intake
    • Junk Food
    • Smoking habits
  • Personal Check-ins

    • Practicing gratitude
    • Productivity Check-ins
    • Mood Tracking

How it works

People tracking habits before Harold:

Problem6 skinny@3x

Harold texts you once a day.

No more forgetting to log in your habit tracking app and having gaps in your data. Track in 5 seconds by simplying replying to a text.

Lives in your text messages@3x

Harold is fun to talk to.

Harold uses advanced AI to reply with a fun, light-hearted message. Specifically, Harold is using GPT-3, a language model made available with OpenAI’s API.

Fun to talk to@3x

Harold gives you stats and insights.

Once a week, Harold gives you an update on how you are doing. No need to open an app or login to see how you are doing. It’s all in your messages.

Stats and insights@3x

How to get started

  • Frame 1@3x
    Create account and set up your habits
  • Frame 2@3x
    Harold texts you everyday and asks if you did your habit or not
  • Frame 3@3x
    Simply text him back "Yes" or "No". Harold records your responses and sends weekly recaps.

Choose your platform to get started

How do you want Harold to reach you? 

Sms logo


Available in US πŸ‡ΊπŸ‡Έ only. 

Whatsapp logo


Available everywhere.

A message from the founder

Harold users stick with it

Harold makes tracking so easy, 50% of users are still tracking 6 weeks later

Retention curve@3x

Choose a Daily Habit

Choose from our pre-set list of habits or create your own.

  • πŸ“š Read for 5 minutes

  • πŸŒ₯ Get outside for a walk

  • πŸ’ͺ Be active for at least 30 minutes

  • πŸ™† Stretch for 10 minutes

  • ✍️ Journal for 5 minutes before opening your computer

  • 🐣 Wake up before 7am

  • 🧘 Meditate for 5 minutes

  • πŸ§‘β€πŸ’» Write for 10 minutes

  • 🎨 Do something creative

  • πŸ€“ Work on your side project for 30 minutes

  • πŸ’§ Drink at least 8 cups of water

  • Create Custom Habit

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