# Duo - Habit Tracker

> Duo - Habit Tracker (iPhone/iPad app by Kaiqi Zhang.)

- Source: https://appshunter.io/ios/app/duo-habit-tracker/id6770047137 (this page in markdown: same URL + `.md`)
- Developer: [Kaiqi Zhang](https://appshunter.io/developer/1802432879)
- Category: Utilities, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 29 MB
- Languages: American English
- Released: 2026-05-19
- Data updated: 2026-11-06

## What is Duo?

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:

- 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.

## Is Duo safe?

Not enough ratings yet to assess Duo.

## Is Duo legit?

Duo - Habit Tracker has limited verification signals. The AppsHunter Legitimacy Score for Duo is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1 — 2026-05-21

- added one time reminder

### 1.0 — 2026-05-19

No release notes.

## More apps by Kaiqi Zhang

- [apilmm](https://appshunter.io/ios/app/apilmm/id6743657058)
- [Flowsi - Mindful Money Tracker](https://appshunter.io/ios/app/flowsi-mindful-money-tracker/id6783835557)

All apps by Kaiqi Zhang: https://appshunter.io/developer/1802432879

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-06.*