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Comparison · Comms
Session vs Synapse
A side-by-side editorial comparison of Session and Synapse — release velocity, themes, recent moves, and the top alternatives to consider.
Session vs Synapse: at a glance
What is Session?
Session survived its funding scare; now Pro is on hold and Protocol v2 is the bet.
Session's 2026 started with a cofounder's appeal warning the project might not continue, followed in June by news that community support had restored its runway. Since then the feed has tracked Session Pro: release preparation in August, a proposed change to Pro's tokenomics, a beta submitted to app stores in September, then in October a pause on the Pro launch while talks with an allied privacy ecosystem continue. Infrastructure work continued, with lighter Session Node software in mid-October.
What is Synapse?
Synapse 1.164 advertises Matrix v1.16 and v1.17 amid a run of dependency security patches
Synapse keeps its two-to-three-week cycle of candidates and stables. 1.164.0 went stable on 27 October with support for Matrix v1.16 and v1.17 and a dedicated endpoint for scheduling delayed events (MSC4140). The surrounding releases are security dependency bumps: certifi, a rustls-webpki update that distrusts the compromised eMudhra intermediate CAs, Pillow 13.0.0 for critical image-handling flaws, and msgpack against memory exhaustion on the public room list.
Session vs Synapse: editorial side-by-side
Session
5.0COMMS
Session survived its funding scare; now Pro is on hold and Protocol v2 is the bet.
◆ Current state
Session's 2026 started with a cofounder's appeal warning the project might not continue, followed in June by news that community support had restored its runway. Since then the feed has tracked Session Pro: release preparation in August, a proposed change to Pro's tokenomics, a beta submitted to app stores in September, then in October a pause on the Pro launch while talks with an allied privacy ecosystem continue. Infrastructure work continued, with lighter Session Node software in mid-October.
◆ Where it's heading
Protocol v2, adding forward secrecy, post-quantum encryption and better linked-device handling, is now the main technical thread, with an invite-only alpha planned. Pro's monetisation model is in flux, so the revenue side remains unresolved.
◆ Prediction
Unclear whether Pro launches in its current form; the next concrete step is more likely a Protocol v2 alpha announcement.
Synapse
5.0COMMS
Synapse 1.164 advertises Matrix v1.16 and v1.17 amid a run of dependency security patches
◆ Current state
Synapse keeps its two-to-three-week cycle of candidates and stables. 1.164.0 went stable on 27 October with support for Matrix v1.16 and v1.17 and a dedicated endpoint for scheduling delayed events (MSC4140). The surrounding releases are security dependency bumps: certifi, a rustls-webpki update that distrusts the compromised eMudhra intermediate CAs, Pillow 13.0.0 for critical image-handling flaws, and msgpack against memory exhaustion on the public room list.
◆ Where it's heading
The homeserver tracks the spec closely, stabilising MSCs as they land in Matrix releases, while backporting each security bump to the previous stable line. Sticky Events and User Status work suggest continued alignment with newer client features.
◆ Prediction
1.165 release candidates should follow within about two weeks, likely with further MSC stabilisations.
Alternatives to Session and Synapse
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 Session or Synapse.
VerneMQ
VerneMQ follows its year-in-the-making 2.2.0 with a quick round of subscription fixes.
Misskey
Misskey moves to Sentry v11 and keeps shipping security fixes in its monthly releases.
Apprise
Apprise 2 is out: notify() returns a result object, and 2.1 takes the catalog to 170 services.
RSS.com
RSS.com's changelog is back after ten months, with listener voicemail for podcasts.
mailcow
mailcow's monthly releases are mostly upstream security updates with small UI work
See all Session alternatives → · See all Synapse alternatives →
Recent activity from Session and Synapse
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 4d agoSynapseSynapse 1.164.1: msgpack memory-exhaustion fix, status clearing
- 6d agoSynapseSynapse 1.164.0: Matrix v1.16/v1.17 support goes stable
- 9d agoSynapseSynapse 1.164.0rc3: Pillow 13 security bump
- 9d agoSynapseSynapse 1.163.2: Pillow critical security backport
- 10d agoSynapseSynapse 1.164.0rc2: certificate trust updates
- 10d agoSynapseSynapse 1.163.1: eMudhra CA distrust and certifi update
- 14d agoSessionSmaller nodes, stronger encryption: Oxen 11.7, Storage Server 2.12 and Session Router 1.1
- 20d agoSessionSession Protocol v2: An Update on PFS, Post-Quantum and Linked Devices
- 25d agoSessionSession is taking part in Octant's Epoch 13 privacy round
- 27d agoSessionDevelopment Update - Stability Fixes and Network Improvements
- 2mo agoSessionSession Pro beta submitted to app stores
- 2mo agoSessionA proposed change to Session Pro's tokenomics
Frequently asked questions
What is the difference between Session and Synapse?
They serve adjacent needs but don't currently overlap on shipped themes. Session and Synapse are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Session better than Synapse?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Session and Synapse are shipping at a similar cadence (velocity 5.0 vs 5.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Comms products to evaluate alongside.
What are the best alternatives to Session?
Top Session alternatives in Comms are ranked by recent ship velocity. Browse the "Session alternatives" section above for the current picks, or visit /alternatives/session for the full list with editorial commentary on each.
What are the best alternatives to Synapse?
Top Synapse alternatives in Comms are ranked by recent ship velocity. Browse the "Synapse alternatives" section above for the current picks, or visit /alternatives/synapse for the full list with editorial commentary on each.