If you are looking for an official license or a way to use the app without Google services, use these verified methods: Google Play / Apple App Store Standard Users Most straightforward way for Android and iOS users. Threema Shop Anonymous Purchase
If you are using a compromised app, you have zero privacy. You might as well be writing your secrets on a postcard. threema license key extra quality free upd
Threema’s security relies on end-to-end encryption. A modified version of the app could have its encryption protocols weakened or redirected, meaning your "private" chats are being sent to a third-party server. If you are looking for an official license
If you download a cracked APK (on Android) or sideload a modified iOS app claiming to be Threema with a “free key,” here’s what can happen: Threema’s security relies on end-to-end encryption