Threema Work. For Companies
The Secure Business Messenger. Trusted by millions. Rock-solid security.
Threema GmbH · ch.threema.app.work
- Signature matches the Google Play version Details
At a glance
- Latest version
- v6.5.3k (9001216)
- Updated
- Sep 30, 2026 (9 days ago)
- APK size
- 43.9 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- x86 64-bit
- Category
- Communication (app)
- Listed since
- Jan 18, 2021 (at least)
- Permissions
- 41 (14 sensitive)
- Website
- work.threema.ch
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Threema Work. For Companies is an app by Threema GmbH in the Communication category, listed since at least January 2021. It includes native code only for x86 64-bit, so it won't install on ordinary ARM phones (only on x86 devices such as emulators and some Chromebooks).
It asks for 41 permissions, 14 of them sensitive, including precise location, camera and record audio. It asks for the same permissions as version 6.5.2k.
Ratings
Ratings from users of the source store — not collected or verified by AAPKs.
What's new in v6.5.3k
Description
From the listing uploaded by “appupdater”.
Version history
5 versions are listed, going back to v6.3.1k. Since v6.5.1k it requires Android 7.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Sep 30, 2026.
- Certificate issued to “Unknown” This is the certificate of the Google Play version.
- Same certificate as the 4 other versions checked
Store checks and file details
- Developer signature verified Sep 30, 2026
- Validated against Google Play Sep 30, 2026
- Signed byCN=Unknown, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
- Signing certificate (SHA-1)02:13:58:51:EA:78:C7:5A:FD:65:25:4A:42:9B:AC:DD:39:B9:49:52
- File MD51e3b3767c08c7bc238c72163c4e20aba
- 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 (4 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (41)
Threema Work. For Companies requests 41 permissions, 14 of them sensitive.
- Answer phone calls Sensitive android.permission.ANSWER_PHONE_CALLS
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
- Call phone Sensitive android.permission.CALL_PHONE
- Camera Sensitive android.permission.CAMERA
- Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Read contacts Sensitive android.permission.READ_CONTACTS
- Read media images Sensitive android.permission.READ_MEDIA_IMAGES
- Read media video Sensitive android.permission.READ_MEDIA_VIDEO
- Read media visual user selected Sensitive android.permission.READ_MEDIA_VISUAL_USER_SELECTED
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
- Write contacts Sensitive android.permission.WRITE_CONTACTS
- Add home-screen shortcuts com.android.launcher.permission.INSTALL_SHORTCUT
- Authenticate accounts android.permission.AUTHENTICATE_ACCOUNTS
- Control vibration android.permission.VIBRATE
- Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
- Foreground service media playback android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK
- Foreground service microphone android.permission.FOREGROUND_SERVICE_MICROPHONE
- Foreground service remote messaging android.permission.FOREGROUND_SERVICE_REMOTE_MESSAGING
- Full network access android.permission.INTERNET
- Home provider insert badge (custom) com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
- Internal broadcast protection (app-defined) ch.threema.app.work.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Launcher change badge (custom) com.huawei.android.launcher.permission.CHANGE_BADGE
- Launcher read settings (custom) com.huawei.android.launcher.permission.READ_SETTINGS
- Launcher write settings (custom) com.huawei.android.launcher.permission.WRITE_SETTINGS
- Manage accounts android.permission.MANAGE_ACCOUNTS
- Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Read sync settings android.permission.READ_SYNC_SETTINGS
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- Use biometric hardware android.permission.USE_BIOMETRIC
- Use fingerprint hardware android.permission.USE_FINGERPRINT
- 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
Threema Work. For Companies APK: questions and answers
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 Threema Work. For Companies APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 4 other versions checked. After downloading, check that the file's MD5 is 1e3b3767c08c7bc238c72163c4e20aba.
