Comparison

One Habit vs Atomic Habits Timer

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

One Habit

Features
Read full description

One Habit β€” The power of focus. Transform your life by mastering one habit at a time. One Habit: Routine Tracker is designed for those who value simplicity, consistency, and real results. NEW: CLOUD SYNC & ACCOUNTS No more lost data! With our new cloud integration, your routines and streaks are securely backed up and synced across all your devices. Sign in once, stay on track everywhere. WHY CHOOSE ONE HABIT? Focus First: We believe in the philosophy of "The One Thing." Master one routine before adding more. Seamless Tracking: A clean, distraction-free interface to log your progress in seconds. Visual Streaks: See your growth and stay motivated with intuitive progress charts. Privacy First: Your habits are your business. We prioritize your data security. Build a better version of yourself, one habit at a time.

About

Atomic Habits Timer

Features
Read full description

Track habits in 15-minute sessions, each about 1% of a day. See completed sessions on a daily grid. No streak is required. HOW IT WORKS β€’ Pick routines β€” exercise, reading, meditation, study, a walk, anything. Each gets its own color or emoji. β€’ Tap one to start a live 15-minute timer. β€’ Finish it and it counts as one rep β€” a filled tile on your time-of-day heatmap. β€’ Stack a few reps and watch today's % climb: 1%, 2%, 5%… WIDGETS & APPLE WATCH β€’ Home Screen and Lock Screen widgets show today's % and your heatmap at a glance. β€’ Start a routine right from your wrist with the Apple Watch app β€” reps you do on the watch sync back to your iPhone. DATA Your routines and completed sessions are stored on your device. No account is required. Usage events are sent to Pentarab’s own analytics service. 1% PRO Unlimited routines, full history and the Apple Watch app β€” as a monthly or yearly subscription, or as a one-time purchase that keeps them for good. Without Pro, you can keep up to three active routines and view the two most recent days of history. See in-app pricing. β€” Subscription Details β€” β€’ 1% Habit Monthly Β· 1% Habit Yearly β€’ Length: 1 month or 1 year, automatically renewed each period β€’ Price: see in-app pricing for your region β€’ Payment is charged to your Apple Account at confirmation of purchase β€’ Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period β€’ Subscriptions may be managed and auto-renewal turned off in your Account Settings on the App Store Terms of Use (EULA): https://www.pentarab.com/onepercent/terms Privacy Policy: https://www.pentarab.com/onepercent/privacy

Screenshots

One Habit4 screens
Atomic Habits Timer4 screens

Verdict

The call

The clearest difference is iOS requirement: One Habit at 13.3 against Atomic Habits Timer's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. One Habit sells 3 in-app purchases, starting at $2.99 per month and Atomic Habits Timer sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

One Habit ships an update every 6 days, Atomic Habits Timer weekly. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

Scorecard1 real difference Β· 5 level
One Habit versus Atomic Habits Timer: the parameters behind the verdict, then further details
ParameterOne HabitAtomic Habits Timer
PriceFreeFree
Update frequencyEvery 6 days β€” betterWeekly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, Apple Watch
Requires iOS13.3 β€” better26.0
Further details β€” not scored
Size56 MB4 MB
Age rating12+4+
Developer伟基 ι™ΆPentarab

In-app purchases

3 purchases

One Habit

Subscriptions2
  • Monthly Premium$2.991 Month
  • Yearly Premium7 Days trial$14.991 Year
One-time1
  • Lifetime Premium$29.99
3 purchases

Atomic Habits Timer

Subscriptions2
  • 1% Habit Monthly$2.991 Month
  • 1% Habit Yearly$14.991 Year
One-time1
  • 1% Habit Pro$19.99

Questions

Is One Habit free?
One Habit is free to download, with in-app purchases available.
Is Atomic Habits Timer free?
Atomic Habits Timer is free to download, with in-app purchases available.
Do One Habit or Atomic Habits Timer have ads?
Neither One Habit nor Atomic Habits Timer shows ads.
Which is updated more often, One Habit or Atomic Habits Timer?
One Habit ships an update every 6 days, and Atomic Habits Timer weekly. Most recently, One Habit was updated on October 31, 2026 and Atomic Habits Timer on October 29, 2026.

Other comparisons