Threema vs Linphone

Threema9.2Visit Linphone8.9Visit

Higher score Threema #2 in Encrypted Calling Apps 9.2/10 30-day trial ✓ 1 of 5 features Visit Threema

vs

Linphone #5 in Encrypted Calling Apps 8.9/10 Free plan Free plan✓ 1 of 5 features Visit Linphone

• Threema fits best

  Privacy-focused users wanting broad device support

• Linphone fits best

  SIP users needing encrypted calls and PBX support

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Side by side

Feature	Threema 9.2/10 Visit ↗	Linphone 8.9/10 Visit ↗
At a glance
Editor score	9.2	8.9
Ranking	#2 in Encrypted Calling Apps	#5 in Encrypted Calling Apps
Best for	Privacy-focused users wanting broad device support	SIP users needing encrypted calls and PBX support
Pricing model	Paid	Free
Starting price	$7.49/unit one-time	Free plan
Free plan	—	✓ (best)
Free trial	—	—
Deployment	Cloud, Desktop, Mobile	Desktop, Mobile
Platforms	Web, Windows, macOS, Linux, iOS, Android	Windows, macOS, Linux, iOS, Android
Support	Tickets, Docs	Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Threema 1/5 · Linphone 1/5
Video calling	Not checked yet	Not checked yet
Screen sharing	Not checked yet	Not checked yet
Self-hosting	Not checked yet	Not checked yet
Team admin controls	Not checked yet	Not checked yet
Open source	✓	✓
Specs
Group call limit	Not checked yet	Not checked yet
Platform coverage	Not checked yet	Not checked yet
Our review
Pros	End-to-end encrypted voice, video, and group calls Works across web, Windows, macOS, Linux, iOS, and Android Encrypted Threema Safe backups and group chats for up to 256 members	Supports encrypted SIP audio and video calls, group calls and conferencing Connects with third-party SIP systems, IP-PBXs, proxies and SBCs Available on desktop and mobile, with LDAP and CardDAV sync
Cons	There is no free plan Threema Private is sold for Android through the Threema Shop Support channels are tickets and documentation	Calling regular phone numbers requires a third-party SIP trunking service Free SIP service is for individuals and has no guaranteed support No browser calling or SMS/MMS support
Our verdict	Threema is an encrypted messaging and calling app for individuals, organizations, and security-sensitive teams. It supports end-to-end encrypted text and voice messages, voice and video calls, group chats, file sharing, polls, and emoji… Read the review →	Linphone is an open-source softphone from Belledonne Communications for internet-based voice and video calls, messaging and conferences. Its SIP support makes it a fit for individuals and organizations working with third-party SIP accounts… Read the review →

Strengths and trade-offs

• Threema — where it wins

  • End-to-end encrypted voice, video, and group calls
  • Works across web, Windows, macOS, Linux, iOS, and Android
  • Encrypted Threema Safe backups and group chats for up to 256 members

  Where it doesn't

  • There is no free plan
  • Threema Private is sold for Android through the Threema Shop
  • Support channels are tickets and documentation

• Linphone — where it wins

  • Supports encrypted SIP audio and video calls, group calls and conferencing
  • Connects with third-party SIP systems, IP-PBXs, proxies and SBCs
  • Available on desktop and mobile, with LDAP and CardDAV sync

  Where it doesn't

  • Calling regular phone numbers requires a third-party SIP trunking service
  • Free SIP service is for individuals and has no guaranteed support
  • No browser calling or SMS/MMS support

• Threema9.2/10 · 30-day trial

  A paid, multi-device app for private calls, messaging, and encrypted backups.

  Visit ThreemaFull verdict →
• Linphone8.9/10 · Free plan

  A free, open-source SIP client for encrypted calls and PBX-connected telephony.

  Visit LinphoneFull verdict →