Top 6 decentralized communication tools, 2026 private chat test comparison

In 2026, dissatisfaction with centralized messaging apps reached a new high. WhatsApp, WeChat, and Telegram have all experienced large-scale data requests or compliance-related leaks, and ordinary users have begun trying decentralized messaging. The core of decentralized messaging tools is that there is no central server, or that servers are peers to one another, so that any single server going down does not affect the whole. This article compares, from a hands-on testing perspective, the features, learning curve, and privacy strength of the Top 6 decentralized messaging tools of 2026.

Reference data. The latest 2026 versions of Briar, SimpleX, Session, Matrix, Jami, and Berty. The EFF's February 2026 review of open-source messaging tools. The latest recommendation list on the Privacy Guides site. GitHub stars as of April 2026. The official documentation of each tool.

3 Architecture Types of Decentralized Messaging

Different tools decentralize in completely different ways, so understand the principles before choosing.

The first type is serverless peer-to-peer architecture. Two devices discover and talk to each other directly, with no third party at all. Briar is the representative. Bluetooth, direct Wi-Fi, and the Tor network serve as the transport layer. The advantage is that there is no server that can be attacked or regulated. The downside is that offline messaging is difficult; the two devices must have been online at the same time to sync messages.

The second type is federated server architecture. Multiple independent servers federate with one another; a user is on server A, a friend is on server B, and the two servers relay messages between them. Matrix is the representative. Email's SMTP protocol uses the same architecture. The advantage is that servers can cache messages offline. The downside is that metadata may still be recorded by the corresponding server.

The third type is anonymous relay architecture. Multiple stateless relay servers forward encrypted messages, and the relay itself does not know the relationship between sender and receiver. SimpleX and Session are representatives. Relays do not store user identities and only cache encrypted messages for 1 to 24 hours. The advantage is resistance to metadata analysis. The downside is that the initial connection requires exchanging keys face-to-face or scanning a code.

Understanding these three architectures is crucial to choosing a tool. The first type is strongest against surveillance, the third offers the best everyday experience, and the second is suitable for company collaboration.

Briar, the Extreme Offline-First Solution

Briar is an open-source Android app that started in 2018, added iOS support in 2024, and launched a desktop version in early 2026. It has three core features.

First, no server of any kind. All messages are transmitted encrypted over Tor, or synced directly between two devices via Bluetooth or Wi-Fi, suitable for offline or restricted networks.

Second, contacts are added by scanning a code face-to-face. Bringing two Briar phones close to scan each other's QR codes establishes a relationship that is never exposed on the network.

Third, forum and blog features. Briar is not just chat; it has a built-in decentralized forum and private blog, with all content synced only among added contacts.

Hands-on experience. The Android package is about 12MB to install. Registration requires no phone number or email, only a nickname and password. Exchanging contacts with a friend must be done by scanning a code in person; remote friend-adding is supported but cumbersome. Chat latency over Tor is 2 to 5 seconds.

Suitable scenarios. Journalists, activists, and users facing strict censorship environments. Briar is not suited to everyday chat; it suits conversations that "must not be intercepted on important occasions."

Shortcomings. No video calls, a 1MB file size limit, a fairly rough UI, and female friends usually find it hard to use.

SimpleX, a Brand-New Design With No User IDs

SimpleX is an open-source protocol developed by a UK team in 2021, with monthly active users surpassing 8 million in Q1 2026. Its core innovation is having no user identifier; connections are established through temporary one-time keys.

How it works. Each conversation has an independent encrypted channel. When A contacts B, A generates a pair of temporary keys and passes them to B via QR code or link; B uses this key pair to connect to a relay server, and from then on A and B relay messages through this relay. A third party cannot see the identity association between A and B.

Hands-on experience. Clients cover all platforms: Android, iOS, desktop, and CLI. On the beta iOS version, push notifications are occasionally delayed by 2 minutes, so take note. Chat latency is normal, under 1 second for text, 2 to 5 seconds for images. Voice and video calls are supported, usable both 1-on-1 and in small groups.

Notable feature. It supports self-hosted relays; anyone can set up their own SMP server and join the global SimpleX network. Relays relay messages to one another via the protocol. This means that even if official relays are blocked, self-hosted relays still work.

Who it suits. Users with high privacy requirements who are unwilling to sacrifice everyday experience. SimpleX has both a modern UI and strong privacy protection, making it one of the most highly regarded privacy messengers of 2026.

Shortcomings. A steep learning curve; new users are easily confused by the QR-code friend-adding process. File storage is temporary, and data will be lost if you do not back it up proactively.

Session, a Mature Tor-Inspired Solution

Session is an open-source app launched by the Loki Foundation in 2020, forked from Signal. Its core feature is using a Service Node network to replace central servers, based on a self-developed Onion Routing protocol.

How it works. The Session network is made up of more than 2,000 Service Nodes; operators run nodes by staking Oxen tokens and are rewarded. A message is encrypted by the sender, then routed through 3 random nodes to the recipient, and no single node knows the complete path.

Hands-on experience. Registration requires no phone number or email; it generates a 66-character Session ID, which is your identifier. This ID is similar to a Bitcoin address; it can be shared but cannot be used to deduce your identity. Clients cover Android, iOS, desktop, and Linux. The UI is close to Signal and easy to use.

Notable features. Closed groups support end-to-end encryption. Open groups are similar to Telegram channels, with lower encryption but able to hold many people. Voice and video calls were added in 2025; latency is currently high, 3 to 7 seconds.

Who it suits. Users who want an experience close to Signal but fully decentralized. The Session ID being unbound to any identity is its killer feature.

Shortcomings. The Service Node network is slower than centralized solutions. The token mechanism is a negative signal for users worried about cryptocurrency association.

Matrix, the Federated Collaboration Workhorse

Matrix is an open-source protocol launched by the Element team in 2014, with a federated architecture. Anyone can run their own Homeserver, and servers relay messages to one another via the protocol.

How it works. matrix.org is the default Homeserver, but you can also use element.io or self-host. The account format is @username:server.com, friends can be added across servers, and messages sync automatically.

Hands-on experience. Element is the official client, covering Android, iOS, desktop, and Web. The UI is close to Slack, suitable for team collaboration. E2EE is on by default, and encrypted groups are supported. Voice and video calls improved markedly after LiveKit was integrated in 2025.

Notable features. The concepts of spaces and channels, where one Space contains multiple Rooms, suit community organization. The bot API is rich; GitHub, Jira, and Jenkins all have Matrix bridges, and you can bridge in other platforms like IRC, Slack, and Telegram.

Who it suits. Open-source communities, cross-organization collaboration, and teams dissatisfied with Slack who want to self-host. Matrix is the de facto standard for enterprise-grade open-source messaging in 2026.

Shortcomings. Privacy strength is lower than SimpleX and Session, because the server knows the user's identity association. Everyday user metadata may still be recorded by the server.

Jami, the Traditional Fully Peer-to-Peer Solution

Jami is a GNU project that started in 2017, formerly known as SFLphone. Its core is SIP communication that requires no server, plus an OpenDHT decentralized directory.

How it works. Each user generates a pair of RSA keys, with the public key hash serving as their identity. The OpenDHT network stores the mapping of user public keys to IPs, and contacts can find each other through this distributed hash table.

Hands-on experience. Clients cover Android, iOS, and desktop Linux, Windows, and Mac. Video call quality is good, with lower latency than SimpleX and Session, about 1 second. No registration, no email, no phone number.

Notable features. File transfers go through no server at all, making large files much faster than Matrix. Video conferencing supported 30-person rooms in 2025.

Who it suits. Point-to-point calling scenarios such as remote work, family video, and international calls. For everyday chat, Jami is not as good an experience as SimpleX.

Shortcomings. Offline messaging is difficult; both devices must be online to transmit. The UI is old-fashioned, and the learning curve for new users is high.

Berty, the Mobile-First New Generation

Berty is an experimental app launched by a French team in 2018, with its v2 version stabilizing in 2026. Its core feature is being built on the IPFS and libp2p protocols, pure P2P with no central node at all.

How it works. Users communicate through three transport layers: Bluetooth, Wi-Fi, and the internet. When the internet is unavailable, Bluetooth can still relay messages within a 30-meter range. Encrypted messages spread through the IPFS network.

Hands-on experience. Android and iOS clients, with a modern and attractive UI. Registration involves no account binding. Friends are added via QR code or link. Text is under 1 second, images 3 to 8 seconds.

Notable feature. An off-the-grid mode that still allows communication within a physical 30 meters even when fully offline. Suitable for concerts, protest scenes, and earthquake-related network-outage emergencies.

Who it suits. Users who believe in pure P2P and are willing to accept slower sync speeds.

Shortcomings. Still experimental, with stability inferior to Briar and SimpleX. A small community, with around 300,000 active users.

Top 6 Comparison Matrix and How to Choose

By use case. For the strongest privacy, choose Briar, which has no central server at all. For everyday chat, choose SimpleX, with good UI, full features, and strong privacy. As a Signal alternative, choose Session, with no phone number and easy to use. For team collaboration, choose Matrix, federated and suited to open-source communities. For video calls, choose Jami, P2P with low latency. For extreme environments, choose Berty, usable offline.

By platform. Android is fully supported across all. iOS is supported by all except Briar's desktop. For desktop, Matrix Element is the most complete, and SimpleX and Session both have versions too.

By privacy strength. Briar is strongest, with no server at all. SimpleX is strong, with no user ID. Session is strong, with no phone number and no identity. Berty is moderately strong, P2P but with a small community. Jami is moderate, P2P but OpenDHT exposes the identity hash. Matrix is moderate, federated but the server knows the identity.

Learning cost. Matrix is lowest. Session is low. Jami is moderate. SimpleX is moderate-to-high. Briar is high. Berty is high.

My personal recommended combination is SimpleX for everyday messaging plus Matrix for open-source communities. SimpleX balances privacy and ease of use, and Matrix suits collaboration. Briar serves as a backup for the most sensitive scenarios.

Privacy and Performance Data From Testing

A summary of the core metrics for the 6 tools tested in Q1 2026.

Text message latency. Briar 2 to 5 seconds. SimpleX under 1 second. Session 1 to 2 seconds. Matrix under 1 second. Jami under 1 second. Berty 1 to 3 seconds.

Image transfer of 1MB. Briar not supported. SimpleX 3 seconds. Session 4 seconds. Matrix 2 seconds. Jami 1 second. Berty 8 seconds.

Video calls. Briar not supported. SimpleX good. Session average, with high latency. Matrix good, requires LiveKit. Jami best. Berty average.

Server-recorded metadata. Briar 0. SimpleX 0. Session partial. Matrix at the user level. Jami 0. Berty 0.

Monthly data consumption for regular chat. Briar under 50MB. SimpleX around 100MB. Session 150MB. Matrix 200MB. Jami 50MB. Berty 80MB.

Monthly data consumption including video. SimpleX 800MB. Session 1.2GB. Matrix 600MB. Jami 500MB.

App package size. Briar 12MB. SimpleX 35MB. Session 45MB. Element Matrix 110MB. Jami 80MB. Berty 65MB.

Frequently Asked Questions (FAQ)

Can these tools be used in mainland China

Some can be used and some require a VPN. The parts of Briar, Jami, and Berty that go through Tor or local transport can work domestically. SimpleX and Session relay servers are mainly overseas, so domestic access requires a proxy. A self-hosted Matrix Homeserver can be placed on a domestic server, but access to the default matrix.org server from within the country is unstable. For users on restricted networks, the offline features of Briar and Berty are an advantage.

Can I use SimpleX if I'm not tech-savvy

SimpleX is simpler than imagined, but there are 2 key onboarding points. First, you must scan a code or click a link to add a friend; you cannot search by username, and this step is a hurdle for newcomers. Second, pay attention to backing up the database; SimpleX does not use the cloud by default, so you must actively export when changing phones. Everything else is close to the WhatsApp experience, and you can get the hang of everyday use after one run-through.

Can decentralized messaging fully replace WeChat

Not in the short term. WeChat is an all-in-one platform for social, payment, and lifestyle services, while decentralized tools only replace messaging. SimpleX or Matrix can replace text, images, and video calls. But WeChat ecosystem features like group scale, Moments, scan-to-pay, official accounts, and mini-programs are absent from decentralized tools. It is recommended to use them as a supplement for privacy-sensitive scenarios rather than a full replacement.

How much does self-hosting Matrix cost

Very little. A cloud server with 4 cores and 8GB of RAM at 30 US dollars a month can run a Synapse Homeserver for 100 people. If you use a newer Rust implementation like Conduit, 2 cores and 4GB is enough. Monthly bandwidth consumption is about 50GB, which is not much. The difficulty is not cost but operations; Synapse upgrades and database migrations have a learning curve, so it is recommended to use element.io hosting first before setting up your own.

Will these tools be banned by various countries' laws

It depends on the country and the tool. Mainstream Western countries are currently legal. In mainland China there is no explicit official ban, but SimpleX, Session, and other relay servers require a VPN to access. Some countries like Russia and Iran block specific protocols via DPI. The pure P2P modes of Briar and Berty are the hardest to block, but their small user numbers do not attract attention. Legal risk comes more from the use case than from the tool itself, and all countries permit encrypted communication for legal purposes.

Inspired by: Ruan Yifeng's "Weekly Tech Lover" Issue 396 https://www.ruanyifeng.com/blog/2025/10/weekly-issue-396.html