Threema
End-to-end encrypted messenger that works without a phone number, bought once.
- Swiss CompanyThe operating company is headquartered and legally incorporated in Switzerland.
- Swiss DevelopedThe product is primarily developed by a team operating from Switzerland.
- Hosted in SwitzerlandCore customer data and workloads are hosted in Switzerland by default.
threema.com
Overview
Threema is an instant messenger for text, voice and video calls, group chats, file transfer and polls. Users are identified by a random Threema ID; linking a phone number or email address is optional. Messages and calls are end-to-end encrypted. Desktop and web clients are available in addition to the iOS and Android apps.
The app is paid once per platform, with no subscription; licences cannot be transferred between app stores. The client apps have been open source under the AGPL-3.0 since 2020, while the server is proprietary. An F-Droid build without proprietary components (Threema Libre) is available for Android.
Threema operates its own servers in colocation data centres in the Zurich area. Threema AG has been owned by German investment firm Comitis Capital since early 2026, after Afinum held a majority stake from 2020.
Why it may be a Swiss alternative
Threema is operated by Threema AG, which is headquartered in Pfäffikon SZ. Headquartered in Switzerland, but ultimately controlled by a company outside Switzerland.
According to the information we found, core customer data is hosted in Switzerland.
May replace
- WhatsAppWhatsApp LLC · US
- SignalSignal Technology Foundation · USPaid one-time purchase instead of free; the server software is not open source.
- TelegramTelegram FZ-LLC · AENot designed for large public channels or groups; all chats are end-to-end encrypted.
Foreign products with overlapping functionality. An alternative is not necessarily a one-to-one replacement.
Swiss footprint
Five independent questions. A Swiss company is not automatically Swiss-hosted — and vice versa. How the footprint is assessed
Swiss company · foreign parent. Headquartered in Switzerland, but ultimately controlled by a company outside Switzerland.
- HeadquartersIs the operating company headquartered in Switzerland?
- Pfäffikon SZ, Schwyz (SZ), SwitzerlandVerified[4]
- Legal jurisdiction
- OwnershipIs the company ultimately Swiss-owned?
- No — Comitis Capital GmbH · GermanyVendor claim[2]
Frankfurt-based private equity firm Comitis Capital acquired Threema from Afinum Management and the founders; the deal was announced in January 2026. Afinum had held a majority stake since 2020, and the founders left the company in 2024. Threema states that its headquarters, servers and management remain in Switzerland.
- DevelopmentIs the product developed in Switzerland?
- HostingIs customer data hosted in Switzerland?
- Yes — SwitzerlandVendor claim[3]
Threema runs its own servers in two data centres of an ISO 27001-certified colocation partner in the Zurich area. Media routers for some group calls may be located abroad; these streams are end-to-end encrypted.
- InfrastructureIs the hosting infrastructure operated by a Swiss-owned provider?
- No — Threema AG (own servers in colocation) · GermanyVendor claim[3]
Data-centre facility: ISO 27001-certified colocation partner in the Zurich area (not named)
Features & platforms
- Platforms
- Deployment
- Made for
- Interface languages
- Launched
- 2012
Privacy & security
- End-to-end encryption
- Yes
- Encryption in transit
- Yes
- Not verified
- Encryption at rest, Multi-factor authentication, Single sign-on (SAML/OIDC), SCIM provisioning, Public API and Data export
- Certifications
- None listed
Pricing
Paid plans fromCHF 5.99 · one-timeAndroid licence bought directly from the Threema Shop; app store prices vary by store and country
- Pricing model
- One-time purchase
- Free plan
- No
- Free trial
- Unknown / not verified
- Enterprise plan
- Unknown / not verified
- Billing in CHF
- Yes
Prices checked 15 Oct 2026. Always confirm on the vendor’s site. Pricing page ↗
Open source
- Open source
- PartlyVendor claim[4]
The Android, iOS, desktop and web clients are published under the AGPL-3.0; the server software is proprietary.
- Licence
- AGPL-3.0 · OSI-approved licence
- Source code
- github.com/threema-ch
- GitHub
- 23 public repositories
- last commit
Statistics from GitHub, fetched 15 Oct 2026.
Company
Company based in Pfäffikon SZ (municipality of Freienbach) that develops the Threema end-to-end encrypted messenger for private users and organisations. Owned by German investment firm Comitis Capital since early 2026.
More from Threema
- Threema Work — Team Chat
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Sources & verification
Every claim on this page is marked as verified, vendor claim or inferred. Unknown means we could not confirm it — not that the answer is “no”.
- Verified Confirmed by an independent or official source such as the commercial register.
- Vendor claim Stated by the vendor in its own documentation, website or legal terms.
- Inferred Derived by the editors from indirect evidence — see the note.
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Threema AG
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