# 21 Days Challenge: Habit build

> 21 days challenge is a Habit building platform, Also helps in journal writing.

Canonical page: [https://chrome-stats.com/d/com.tbtechnology.a21days](https://chrome-stats.com/d/com.tbtechnology.a21days)

## Overview

- **ID:** `com.tbtechnology.a21days`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** TB Technology
- **Category:** PRODUCTIVITY
- **Downloads:** 9,004
- **Version:** 2.6
- **Last updated:** 2025-08-21
- **First published:** 2022-02-10
- **Publisher country:** IN
- **Size:** 5.02 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tbtechnology.a21days)
- **Website:** [https://tbtechnology1.blogspot.com/](https://tbtechnology1.blogspot.com/)
- **Privacy policy:** [https://pages.flycricket.io/21-days/privacy.html](https://pages.flycricket.io/21-days/privacy.html)

## Description

"21 Days Challenge: Habit build" is a habit-building app designed to help users create and sustain new habits over 21 days. By participating in various challenges, users can track their mood and memories in a secure and convenient manner. The app supports multiple journaling types, making it ideal for personal reflection, travel documentation, and habit tracking. With a focus on habit development and mood improvement, it caters to anyone looking to enhance their lifestyle.

## Rankings

- #584,022 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.WAKE_LOCK`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.tbtechnology.a21days.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.tbtechnology.a21days)