Threema

Open source

Swiss messaging app with end-to-end encryption that can be used without linking a phone number or email address.

Pricing: perpetual, seat
Free tier: false
Open source: Yes

Editorial review

Threema has not yet been editorially reviewed. User reviews and published field data below are unaffected — we say so rather than implying an editorial verdict.

Facts & attributes

Every value carries its evidence state. “—” means unknown — never a silent default (P-02).

Identity · Taxonomy

Tags(open-source;cloud-native): secure messaging, end-to-end encryption, privacy, self-hosting, GDPRVerification pending

Platform · Deployment

Delivery model(SaaS;self-hosted;desktop;mobile;embedded;managed-cloud;appliance): mobile, desktop, self-hostedVerified

Pricing · Licensing

Free plan(true/false): falseVerification pending
Pricing model(free;subscription;usage;seat;asset;transaction;revenue-share;perpetual;custom): perpetual, seatVerification pending
Starting price(29): 3Verified

Features · Product · Fit

Core capabilities(authoring;automation;analytics): End-to-end encrypted exchange of messages, calls and files, Anonymous use without a phone number or email via Threema ID, Zero-knowledge architecture with minimal metadata, Central management cockpit for business users (Threema Work), Self-hosted deployment (Threema OnPrem)Verification pending

Api · Integrations · Ecosystem

API available(true/false): trueVerification pending

Security · Privacy · Compliance

Regulatory compliance(HIPAA;PCI DSS;FedRAMP;GDPR support): GDPR, NIS2, DORA, CERVerified

Audience · Use · Case

Best for(Neutral editorial summary): Businesses, authorities and individuals needing Swiss GDPR-compliant messaging with anonymous IDs or self-hostingVerification pending
Company-size fit(individual;SMB;mid-market;enterprise): individual, SMB, mid-market, enterpriseVerification pending
Primary use cases(build;monitor;automate): Business internal communication, Public sector and authority communication, Privacy-focused personal messaging, Regulated industries such as healthcare and financeVerification pending
Skill level(beginner;intermediate;advanced;specialist): beginnerVerification pending

Vendor · Maintainer

Founded year(2012): 2012Verified
Headquarters country(US): SwitzerlandVerified
Vendor type(commercial;foundation;community;government;consortium;individual): commercialVerification pending

User reviews

Review policy

No published reviews yet.