Threema vs Pop

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Threema compared with Pop
Detail	Threema	Pop
What it does	Secure instant messenger from Switzerland with GDPR-compliant messaging for privacy and data protection	Screen sharing for remote teams
Stage	Not given	Not given
Founded	Not given	Not given
Based in	CH	Not given
Pricing model	Freemium	Not given
Pricing	Not given	Not given
Key features	End-to-end encrypted text messages Voice and video calls Group chats and distribution lists File and media sharing Desktop and web client Group calls Screen sharing on desktop Polls Contact verification via QR code Availability status for work	Not given
What makes it different	No phone number or email required for anonymous communication Zero-knowledge architecture ensuring only intended recipients access messages Minimal metadata with messages deleted from servers after delivery Swiss company with exclusive development and Swiss data centers Open source code with verifiable security through audits	Not given
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	77 −1 (down) since last check	53 +1 (up) since last check
Trust Flow (Majestic)	45	26
Citation Flow (Majestic)	55	31
Referring domains (Majestic)	5451	670

1 detail filled in for both companies.