Atoms review

Atoms is the official app for James Clear's Atomic Habits, and it is built around the book's four laws: make it obvious, attractive, easy and satisfying. Rather than starting with a blank list, it guides you to start small, tie each habit to an identity such as becoming a runner, and commit to a time and place. Reminders can fire at an exact time or several times a day, and daily lessons from James Clear keep the method in front of you. An Apple Watch app handles quick logging. The app holds an Apple Editors' Choice badge and a 4.8 rating from 11K reviews on the US App Store. Atoms Pro costs $4.99 a month or $39.99 a year there. The weak spots: the vendor does not spell out what the free version includes, and it lacks the health integrations of Streaks or Habitify.

Who it is for

readers of Atomic Habits who want a guided start

Price

Free to download; Atoms Pro $4.99 a month or $39.99 a year on the US App Store.

Atoms Pro Monthly $4.99 Atoms Pro Annual $39.99
Quoted from the vendor pricing page on November 12, 2026.

Key features

• Guided habit creation that starts small and ties each habit to the person you want to become
• Commit to a time and place for each habit
• Reminders at an exact time or several times a day
• Daily lessons from James Clear
• Apple Watch app for logging on the move

Strengths and weaknesses

• Strength: Official app based on the Atomic Habits book by James Clear
• Strength: Pro costs $39.99 a year on the US App Store
• Strength: Apple Editors' Choice, rated 4.8 from 11K ratings
• Weakness: The vendor does not publish what the free version includes
• Weakness: Pro is subscription only, with no one-time option listed on the US App Store
• Weakness: Fewer charts and integrations than Habitify or Streaks

Key facts

• Paid plan: Atoms Pro, $4.99/mo or $39.99/yr
• Platforms: iPhone, Apple Watch
• Based on: Atomic Habits by James Clear
• Requires: iOS 16.0 or later
• App Store rating: 4.8 from 11K ratings

Where it ranks

Atoms is No. 5 in our Best Habit Tracker Apps verdict.