21 Days Challenge - Habit App Android

21 Days Challenge - Habit App

Changing habits is a battle, and picking up the right tool is a battle half won.

Features & Capabilities

21 Days Challenge - Habit App

Transform your lifestyle by building new positive habits and breaking old bad ones with the 21 Days Challenge app. Based on scientific research and psychology, it takes about 21 days to form or replace a habit. This app helps you stay motivated and on track by allowing you to set goals, schedule reminders, and visually monitor your progress on a calendar. Whether you want to quit smoking, eat clean, exercise daily, or start journaling, this tool supports your journey to lasting change.

Key Features:

  • Add and track new habits with ease.
  • Replace unwanted habits by adopting healthier alternatives.
  • Set powerful, flexible reminders to stay consistent.
  • Visual calendar to see your streak and progress.
  • Customize your avatar as a symbol of your lifestyle transformation.
  • Animations to motivate and engage you along the way.

Start your 21-day transformation and make positive habits stick with this easy-to-use habit-building app.

User Growth & Download Statistics

App
By:
DeviationApps
Downloads:
112,555 18
Rating:
3.89
(242)
Version:
1.3.1 Last updated: 2023-10-29
Version code:
5000
Creation date:
2019-08-12
Publisher country:
IN IN
Permissions:
  • com.google.android.gms.permission.AD_ID Moderate risk
  • android.permission.INTERNET Low risk
  • android.permission.POST_NOTIFICATIONS Low risk
  • android.permission.RECEIVE_BOOT_COMPLETED Low risk
  • android.permission.WAKE_LOCK Low risk
  • com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE Low risk
  • android.permission.ACCESS_NETWORK_STATE Safe
  • android.permission.VIBRATE Safe
Size:
21.31MB
Email:
dp*****@gmail.com
URLs:
Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-06-05
Compare stats and ranking:

Ranking

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
DeviationApps
Google Play Store
https://play.google.com/store/apps/details?id=com.deviation.twenty_one_days
Email:
dp*****@gmail.com

User Reviews

Users appreciate the app's simple, minimalist design, lack of ads, and ease of adding goals which makes habit tracking straightforward and distraction-free. However, multiple reviews highlight limitations such as inability to edit habit names or undo completion errors, issues with reminder notifications not working properly or arriving late, and mandatory reminder settings that may not suit all goals. Some users reported bugs causing progress resets, indicating room for stability improvements.
Pros
  • Simple and minimalist design that is easy to use
  • No ads, providing a distraction-free experience
  • Effective for habit tracking and goal achievement
  • Quick and straightforward to add goals
  • Helpful reminder feature (though with some issues)
Cons
  • Cannot edit habit names after creation
  • Inability to modify or undo previous days' completion status
  • Reminder notifications sometimes fail or arrive at wrong times
  • Mandatory reminder setting when adding goals is inconvenient for some users
  • App occasionally restarts progress or has bugs leading to data loss
Recent reviews
Good but pls add more feature,even i cant edit the name of habit 🥲
by Me*****, 2024-11-13

The easiest and best application for habit tracking, no ads to annoy your experience with the app. It does it's job and it does it well.
by Ne*****, 2023-06-28
View all user reviews ›

Best 21 Days Challenge - Habit App Alternatives

Here are some Android apps that are similar to 21 Days Challenge - Habit App: