4Sync

Store and share your files on the go.

4sync Inc. · com.forsync

4.9 out of 5 (8 ratings) 1M+ downloads v4.41.0 14.2 MB Android 5.0+ PEGI 3 · Everyone

Download APK 14.2 MB All versions

Same certificate as v4.05.0, which matches Google Play Details

At a glance

Latest version: v4.41.0 (30015275)
Updated: May 20, 2022 (4 years ago)
APK size: 14.2 MB
Requires: Android 5.0+ (API 21)
CPU support: Any (no native code)
Category: Productivity (app)
Listed since: Mar 6, 2021 (at least)
Permissions: 26 (5 sensitive)
Website: 4sync.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

4Sync is an app by 4sync Inc. in the Productivity category, listed since at least March 2021. It has no native code, so it runs on any Android processor.

Since version 4.05.0, the APK grew from 12.4 MB to 14.2 MB and the minimum Android version rose from 4.1 to 5.0. It asks for 26 permissions, 5 of them sensitive, including read contacts, read phone status and identity and find accounts on the device. Compared with version 4.05.0, it adds 3 new permissions (“Request installing other apps”, “Advertising ID” and “Use full screen intent”) and drops 1 (“Modify shared storage”). The app can read the advertising ID that ad and analytics services use.

Ratings

4.9out of 58 ratings

5 ★88%
4 ★13%
3 ★0%
2 ★0%
1 ★0%

Ratings from users of the source store — not collected or verified by AAPKs.

Description

From the listing uploaded by “jvr2022”.

4Sync for Android is a simple and user-friendly application, which enables you to sync, access, upload, download and manage all data, stored at your 4Sync account, e.g. pics and photos, documents, music or video files, etc. on your Android smartphone and tablet wherever you are at the moment. With 4Sync for Android it only takes a few clicks to upload, sync and download any files from your account at 4sync.com on your smartphone or tablet and further share them with your family, friends and colleagues. 4Sync for Android: • Keeps all your files at hand at one place. • Enables you to manage your data and download it right to your Android device. • Allows you to sync the files from your smartphone or tablet with all your computers. • Provides instant sharing of your files with anyone, you wish to.

Version history

2 versions are listed, going back to v4.05.0. Since v4.41.0 it requires Android 5.0+.

v4.41.0 LATEST May 20, 2022 14.2 MB TRUSTED v4.05.0 Dec 16, 2025 12.4 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Certificate issued to “Russian Internet Solutions” This is the certificate of the Google Play version.
Same certificate as v4.05.0, which matches Google Play v4.05.0

Store checks and file details

Developer signature under review Mar 7, 2025
Signed byCN=Dmitry Komarov, O=Russian Internet Solutions, L=Moscow, C=RU
Signing certificate (SHA-1)79:5A:0C:D7:C5:55:67:BE:C1:28:6B:70:CA:14:12:93:74:33:DA:99
File MD5efa84d39129c7ec73f7d647466cfc429
Uploaded by “jvr2022” Bronze tier · 1,823 followers · uploading since 2021

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (26)

4Sync requests 26 permissions, 5 of them sensitive.

Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Read contacts Sensitive android.permission.READ_CONTACTS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Request installing other apps Sensitive android.permission.REQUEST_INSTALL_PACKAGES
Access all downloads android.permission.ACCESS_ALL_DOWNLOADS
Access download manager android.permission.ACCESS_DOWNLOAD_MANAGER
Advertising ID com.google.android.gms.permission.AD_ID
Authenticate accounts android.permission.AUTHENTICATE_ACCOUNTS
Broadcast sticky android.permission.BROADCAST_STICKY
Change wifi multicast state android.permission.CHANGE_WIFI_MULTICAST_STATE
Download without notification android.permission.DOWNLOAD_WITHOUT_NOTIFICATION
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Manage accounts android.permission.MANAGE_ACCOUNTS
Prevent the device from sleeping android.permission.WAKE_LOCK
Read sync settings android.permission.READ_SYNC_SETTINGS
Read sync stats android.permission.READ_SYNC_STATS
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Use credentials android.permission.USE_CREDENTIALS
Use full screen intent android.permission.USE_FULL_SCREEN_INTENT
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE
Write sync settings android.permission.WRITE_SYNC_SETTINGS

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

4Sync APK: questions and answers

Is there a version of 4Sync for older Android phones?

The current version needs Android 5.0 or later. Version 4.05.0 is the newest listed build that installs on Android 4.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 4.05.0 · All versions

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

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the 4Sync APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as version 4.05.0, whose signature matches the Google Play version. After downloading, check that the file's MD5 is efa84d39129c7ec73f7d647466cfc429.