21 days

Helps track habits or create new goals to achieve results

appdevelopers.ru · ru.appdevelopers.a21day

Not rated yet 50K+ downloads v1.0 6.5 MB Android 4.0+ PEGI 3 · Everyone

Download APK 6.5 MB All versions

At a glance

Latest version: v1.0 (29)
Updated: Jun 9, 2023 (3 years ago)
APK size: 6.5 MB
Requires: Android 4.0+ (API 14)
CPU support: Any (no native code)
Category: Health & Fitness (app)
Permissions: 10 (1 sensitive)
Website: appdevelopers.ru
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

21 days is an app by appdevelopers.ru in the Health & Fitness category. It has no native code, so it runs on any Android processor.

It asks for 10 permissions, 1 of them sensitive: read shared storage. The app offers in-app purchases through Google Play.

Description

From the listing uploaded by “appupdater”.

App 21 days is tracker habits. Helps keep track of your desired habits or to create new goals and to celebrate their fulfillment. You can specify any deadline goals. The app will notify you at the right time. Intuitive design will help you easily work with the application. Each time you run you can leave any comment which is then displayed in the statistics of goals or habits. App 21 days can show detailed stats on the created goal or habit. In the Appendix there are several themes for a more enjoyable experience.

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “Appdevelopers” The developer's name — though anyone can put any name in a certificate.

Store checks and file details

Developer signature verified Jun 9, 2023
Signed byCN=Alex Kab, OU=CEO, O=Appdevelopers, L=Yekaterinburg, ST=Sverdlovsk region, C=RU
Signing certificate (SHA-1)76:86:27:2A:5A:D1:B8:4B:8F:06:88:BC:56:4E:BC:EB:1A:47:7C:AD
File MD54d54cf1a88d533831011138c1bbeadb4
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (10)

21 days requests 10 permissions, 1 of them sensitive.

Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Prevent the device from sleeping android.permission.WAKE_LOCK
Push messaging (app-defined) ru.appdevelopers.a21day.permission.C2D_MESSAGE
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch

21 days APK: questions and answers

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is 21 days free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the 21 days APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 4d54cf1a88d533831011138c1bbeadb4.