Duo - Habit Tracker
What is Duo?
A habit tracker for repeating routines and important dates.
Duo lets you create daily, weekly, monthly, or yearly routines and see what is due today. It tracks check-ins and streaks, and can also be used to track important dates.
Pricing. Duo is free, with no in-app purchases on the App Store.
Good for
- Keeping track of repeating daily or weekly routines
- Checking in on routines due today
- Tracking important dates and past check-ins
Screenshots
Why this app is in D tier
D tier follows from that score within this list. The full explanation, as data.
Duo scores 55 out of 100: rating 100, rating count 40, App Store search rank 0, update recency 81. The four parts are averaged and D tier follows from that score within this list.
Description
Duo is a calm habit tracker for the small routines you want to keep.
Create daily, weekly, monthly, or yearly loops. See only what is due today, check in with a quiet hold gesture, and watch your rhythm build over time.
It can also used as important date tracker.
duo is designed to feel light, private, and easy to return to. No account is required. No server sync is used. Your routines, check-ins, reminders, and notes stay on your device.
What you can do with duo:
Read more
- Create repeating routines for daily, weekly, monthly, or yearly rhythms
- See a focused Today view with only the loops that matter now
- Check in with a simple hold interaction
- Track current streaks, longest streaks, and total check-ins
- View a 365-day heatmap of your progress
- Add private notes to past check-ins
- Set local reminders at the time you choose
- Switch between light and dark appearance
duo is built for people who want consistency without pressure. It helps you keep small promises, one check-in at a time.
Compare
Duo
Habit Tracker - Daily Routine
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Recently Updated
Questions about Duo
Do I need an account?
No account is required.
Does the app sync data to a server?
No server sync is used. Routines, check-ins, reminders, and notes stay on your device.
What repeating schedules can I use?
You can create daily, weekly, monthly, or yearly routines.
Is Duo free?
Yes. Duo is free on the App Store, with no in-app purchases.
Is Duo right for me?
Duo is built for keeping track of repeating daily or weekly routines, checking in on routines due today, tracking important dates and past check-ins. It sits in the routine tracking list on AppTierList.
Is Duo worth it?
Duo is D tier, ranked #24 of 29 routine tracking apps with a score of 55 out of 100, from a 5.0 App Store rating across 1 ratings. 23 apps rank above it in the same list.
How does Duo compare to Habit Tracker - Daily Routine?
Duo is D tier at 55; Habit Tracker - Daily Routine is D tier at 56. Habit Tracker - Daily Routine ranks higher. Duo is free, with no in-app purchases, Habit Tracker - Daily Routine is free, with no in-app purchases.
How often is Duo updated?
Duo was last updated on 2026-05-21, 177 days ago.
Alternatives
Top rated in Routine Tracking
Categories
All the facts
Ranking
- Lists
- Routine Tracking (D tier, #24) · Habit Tracking (#126, beyond the tiered top)
- Tier
- D (Weak)
- Score
- 55 / 100
- Rank in list
- #24 of 30
- Ranking certainty
- early: few ratings or search ranks so far
Ratings
- App Store rating
- 5.0 out of 5, every App Store country
- Ratings
- 1
App
- Price
- Free download
- App Store category
- Utilities
- Current version
- (177 days ago)
- Size
- 30 MB
- Requires
- iOS 15.1 or later
- Age rating
- 4+
- Languages
- 1
- Runs on
- iPhone
Links
- Developer pages
- Support · Privacy policy
- Maker
- not verified
- As data
- JSON · why it ranks here
App Store data read · ranking