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Comparison · Comms
Delta Chat vs Shortwave
A side-by-side editorial comparison of Delta Chat and Shortwave — release velocity, themes, recent moves, and the top alternatives to consider.
Delta Chat vs Shortwave: at a glance
What is Delta Chat?
DeltaChat Desktop steadily matures calls, accessibility, and its Chatmail-first shift
DeltaChat Desktop — the email-based, decentralized messenger — is in a consistent build-out phase. Recent releases add multi-message selection and keyboard accessibility, deepen the in-app calling feature, and continue removing legacy classic-email options in favor of Chatmail-style operation.
What is Shortwave?
Shortwave keeps folding autonomy into the inbox, one AI action at a time.
Shortwave has moved decisively from an AI-assisted email client to an inbox that acts on the user's behalf. The assistant reads, drafts, organizes, and — via the Tasklet integration — triggers automated workflows across thousands of apps, with its work surfaced inside Shortwave rather than buried in Gmail. Every release since late 2024 has pushed more of the email workflow out of the user's hands and into the model's.
Delta Chat vs Shortwave: editorial side-by-side
Delta Chat
5.0COMMS
DeltaChat Desktop steadily matures calls, accessibility, and its Chatmail-first shift
◆ Current state
DeltaChat Desktop — the email-based, decentralized messenger — is in a consistent build-out phase. Recent releases add multi-message selection and keyboard accessibility, deepen the in-app calling feature, and continue removing legacy classic-email options in favor of Chatmail-style operation.
◆ Where it's heading
Three threads run through the releases: maturing real-time calls (ringing tones, device selection), improving keyboard and focus accessibility, and simplifying the transport model toward Chatmail by retiring manual email-folder controls. The direction is a more app-like messenger that hides its email plumbing.
◆ Prediction
Expect continued calls refinement, more accessibility work, and further pruning of classic-email configuration as Chatmail becomes the default path. No single release here signals a pivot — it is compounding polish.
Shortwave
0.0COMMS
Shortwave keeps folding autonomy into the inbox, one AI action at a time.
◆ Current state
Shortwave has moved decisively from an AI-assisted email client to an inbox that acts on the user's behalf. The assistant reads, drafts, organizes, and — via the Tasklet integration — triggers automated workflows across thousands of apps, with its work surfaced inside Shortwave rather than buried in Gmail. Every release since late 2024 has pushed more of the email workflow out of the user's hands and into the model's.
◆ Where it's heading
The direction is a steadily widening action surface: MCP connectors to external tools, AI Memories, voice, and now trigger-based automation all frame email as an agent runtime rather than a reading pane. Model choices track the frontier closely — Claude 3.7 to Sonnet 4 to the 4.6 family — keeping capability tied to whatever the best available model can do. The team ships broadly across web, desktop, iOS, and Android each cycle.
◆ Prediction
The next moves most likely deepen autonomous execution — more trigger types and tighter loops where the assistant acts with less confirmation — rather than adding new surface features.
Alternatives to Delta Chat and Shortwave
Other Comms products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Delta Chat or Shortwave.
Matrix
Matrix grinds toward 2.0: sliding sync lands in spec, v1.19 ships long-pending features.
Elastic Email
Elastic Email's public feed is content marketing aimed at AI-app builders and small agencies.
MirrorFly
MirrorFly's radar signal is all SEO listicles — no product releases visible in this window.
Twilio
Twilio grinds through platform-maturity work: RCS error hygiene, WhatsApp usernames, org-level identity APIs
Melp
Melp's feed is programmatic SEO Q&A content, with no product signal to read
See all Delta Chat alternatives → · See all Shortwave alternatives →
Recent activity from Delta Chat and Shortwave
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 20d agoDelta ChatMulti-message select and keyboard-accessibility improvements
- 1mo agoDelta ChatCore library update (v2.52.0), no desktop changes
- 1mo agoDelta ChatDrops legacy email-folder options; adds Mark as Unread
- 2mo agoDelta ChatHotfix: prevent crashes on macOS
- 2mo agoDelta ChatLeave & delete group; Electron 41 upgrade
- 3mo agoDelta ChatChannel descriptions, autostart, and 'Who can call me' setting
- 4mo agoShortwaveUpgraded to Claude Sonnet & Opus 4.6
- 6mo agoShortwaveFully automate your email with Tasklet 🔗 ⚡
- 10mo agoShortwaveEnhanced AI performance & collaboration
- 1y agoShortwaveIntegrate the AI with all your apps 🔌 ⚡
- 1y agoShortwaveTalk to your inbox 🎙️
- 1y agoShortwaveOrganize your inbox with AI ✨
Frequently asked questions
What is the difference between Delta Chat and Shortwave?
They serve adjacent needs but don't currently overlap on shipped themes. Delta Chat is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Delta Chat better than Shortwave?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Delta Chat is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Comms products to evaluate alongside.
What are the best alternatives to Delta Chat?
Top Delta Chat alternatives in Comms are ranked by recent ship velocity. Browse the "Delta Chat alternatives" section above for the current picks, or visit /alternatives/deltachat for the full list with editorial commentary on each.
What are the best alternatives to Shortwave?
Top Shortwave alternatives in Comms are ranked by recent ship velocity. Browse the "Shortwave alternatives" section above for the current picks, or visit /alternatives/shortwave for the full list with editorial commentary on each.