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Head-to-head · Encrypted Messaging Apps

Delta Chat vs Jami

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Delta Chat #6 in Encrypted Messaging Apps 8.6/10 Free plan Free plan✓ 3 of 3 features Visit Delta Chat
Jami #8 in Encrypted Messaging Apps 8.4/10 Free plan Free plan✓ 2 of 3 features Visit Jami

Delta Chat leads on 0 checks, Jami on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDelta Chat · 8.6/10
  • Free planboth
  • Most featuresDelta Chat · 3 of 3

Delta Chat scores higher on our rubric for encrypted messaging apps: 8.6 against 8.4 out of 10; our editors rank them #6 and #8.

Delta Chat is the better fit for open-source messaging with email interoperability. Jami is the better fit for long-established free peer-to-peer calling.

  • Delta Chat fits best

    Open-source messaging with email interoperability

  • Jami fits best

    Long-established free peer-to-peer calling

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Side by side

Feature Delta Chat 8.6/10 Visit ↗ Jami 8.4/10 Visit ↗
At a glance
Editor score 8.6 8.4
Ranking #6 in Encrypted Messaging Apps #8 in Encrypted Messaging Apps
Best for Open-source messaging with email interoperability Long-established free peer-to-peer calling
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Desktop, Mobile
Platforms Windows, macOS, Linux, iOS, Android Web, Windows, macOS, Linux, iOS, Android
Support Community, Docs Email, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Delta Chat 3/3 · Jami 2/3
Desktop app ✓ ✓
Voice and video calls ✓ ✓
Disappearing messages ✓ (best) Not checked yet
Specs
Encryption coverage Default Default
Maximum group size Not checked yet Not checked yet
Linked device limit Not checked yet Not checked yet
Encrypted backups None Not checked yet
Our review
Pros
  • Default end-to-end encryption across messages and attachments
  • Native apps for Android, iOS, Windows, macOS, and Linux
  • Channels, calls, groups, disappearing messages, and Webxdc apps
  • Free and open source across desktop and mobile platforms
  • Supports messaging, group calls, file sharing, and screen sharing
  • Links multiple devices and supports SIP and plugins
Cons
  • Exported backups are not encrypted
  • Groups are practically recommended for no more than 150 members
  • Messaging depends on chatmail relays or compatible email servers
  • Encryption is not explicitly classified for every communication type
  • Integration support is centered on SIP
  • No paid tiers or plan-based feature expansion
Our verdict

Delta Chat is a free, open-source messaging app for private conversations, groups, channels, and one-to-one audio or video calls. It is designed for people who want default end-to-end encryption across mobile and desktop while retaining…

Read the review →

Jami is free/libre communication software for individuals, teams, and organizations that need messaging and calling across desktop and mobile devices. It supports text messaging, group chats, voice and video calls, conference calls,…

Read the review →
  1. Delta ChatEncrypted Messaging Apps 8.6Free plan
  2. JamiEncrypted Messaging Apps 8.4Free plan

Strengths and trade-offs

  • Delta Chat — where it wins

    • Default end-to-end encryption across messages and attachments
    • Native apps for Android, iOS, Windows, macOS, and Linux
    • Channels, calls, groups, disappearing messages, and Webxdc apps

    Where it doesn't

    • Exported backups are not encrypted
    • Groups are practically recommended for no more than 150 members
    • Messaging depends on chatmail relays or compatible email servers

  • Jami — where it wins

    • Free and open source across desktop and mobile platforms
    • Supports messaging, group calls, file sharing, and screen sharing
    • Links multiple devices and supports SIP and plugins

    Where it doesn't

    • Encryption is not explicitly classified for every communication type
    • Integration support is centered on SIP
    • No paid tiers or plan-based feature expansion
  • Delta Chat8.6/10 · Free plan

    A free, open-source messenger that combines default encryption with email interoperability.

    Visit Delta ChatFull verdict →
  • Jami8.4/10 · Free plan

    A mature free communication app with broad calling features and a focused integration set.

    Visit JamiFull verdict →

More comparisons

All encrypted messaging apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update