Atomic Habits Timer vs CalenCanvs
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Atomic Habits Timer
Read full descriptionHide 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%β¦ 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 Pentarabβs 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
CalenCanvs
Read full descriptionHide full description
Free on this device only Group sharing and device sync require a subscription CalenCanvs brings selected calendar events from your iPhone or iPad into a monthly board. Write directly on the calendar with a compatible stylus or your finger, and add stamps to make plans easy to recognize. β’ Free personal board β no sign-in required Calendar display, handwriting, stamps, and the normal personal-board experience work without a subscription. β’ Read your selected device calendars Choose which calendars to display. CalenCanvs does not add, change, or delete source events. β’ Handwriting and stamps Write directly on dates and plans with a compatible stylus or your finger. β’ Optional Group Sharing Group sharing and device sync require a subscription. One owner subscription covers one shared board for up to six people, and invited members pay nothing extra. Your App Store shows the local price. If the subscription ends, shared viewing, editing, and sync pause. Personal boards remain free, and retained shared data becomes available again after renewal. Display selected calendar events and write directly over them. Group Sharing syncs plans and handwriting in real time across iPhone and iPad. A Mac app is also available. When Group Sharing is enabled, shared event details and handwriting are stored in the cloud and sync in real time to approved members on iPhone and iPad. Personal boards remain available on your device. A Mac app is also available. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 14-day free trial for eligible first-time Group Sharing subscribers. After the trial, the selected monthly or yearly plan renews automatically at the App Store's displayed local price. Cancel during the trial to avoid charges. Personal boards remain free.
Screenshots
Verdict
The clearest difference is update cadence: CalenCanvs at every 2 days against Atomic Habits Timer's weekly. CalenCanvs also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support 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
Both are free to download. Atomic Habits Timer sells 3 in-app purchases, starting at $2.99 per month and CalenCanvs sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Atomic Habits Timer ships an update weekly, CalenCanvs every 2 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.
| Parameter | Atomic Habits Timer | CalenCanvs |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 2 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, Apple Watch | iPhone, iPad, Mac β better |
| Requires iOS | 26.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Pentarab | Naoki Miura |
In-app purchases
Atomic Habits Timer
- 1% Habit Monthly$2.991 Month
- 1% Habit Yearly$14.991 Year
- 1% Habit Pro$19.99
CalenCanvs
- Group Sharing Monthly14 Days trial$2.991 Month
- Group Sharing Annual14 Days trial$29.991 Year
Questions
Is Atomic Habits Timer free?
Is CalenCanvs free?
Do Atomic Habits Timer or CalenCanvs have ads?
Which is updated more often, Atomic Habits Timer or CalenCanvs?
Other comparisons















