While Threema offers a free version, some users may want to upgrade to a license key for extra features and benefits. A Threema license key can provide:
: Sites promising "free top quality" keys often trick users into downloading malware or spyware that can compromise your phone or computer.
Yes, but not in the way you think. Threema offers a web-based service for free, but for the full private messenger, the developers rely on the one-time purchase model because they do not sell your data (unlike Meta/Facebook).