SimpleX Chat is a free and open source messaging application built with privacy as its primary goal. Unlike most messaging platforms, it does not require users to register with a phone number, email address, or permanent username. Instead, it uses temporary connection links to establish conversations, reducing the amount of personal information exposed during communication.
Most messaging apps rely on centralized user identities, making it possible to associate conversations with phone numbers or account profiles. SimpleX Chat takes a different approach by eliminating user identifiers altogether. Each conversation is established through unique connection credentials, making it significantly harder to correlate users across the network.
The platform supports secure messaging, voice and video calls, group chats, and file sharing while maintaining a strong focus on privacy and decentralization.
Download SimpleX Chat v7.0.0 - Software Mirrors |
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SimpleX Chat v7.0.0 for Windowssimplex-chat-windows-x86-64 | 133.46 MB simplex-desktop-windows-x86_64.msi | 252.38 MB |
SimpleX Chat v7.0.0 for macOSsimplex-chat-macos-aarch64 | 165.23 MB simplex-chat-macos-x86-64 | 79.21 MB simplex-desktop-macos-aarch64.dmg | 265.27 MB simplex-desktop-macos-x86_64.dmg | 269.59 MB |
SimpleX Chat v7.0.0 for Linuxsimplex-chat-ubuntu-22_04-aarch64 | 97.63 MB simplex-chat-ubuntu-22_04-aarch64.deb | 14.79 MB simplex-chat-ubuntu-22_04-x86_64 | 75.85 MB simplex-chat-ubuntu-22_04-x86_64.deb | 12.22 MB simplex-chat-ubuntu-24_04-aarch64 | 97.71 MB simplex-chat-ubuntu-24_04-aarch64.deb | 14.73 MB simplex-chat-ubuntu-24_04-x86_64 | 75.84 MB simplex-chat-ubuntu-24_04-x86_64.deb | 12.16 MB simplex-desktop-aarch64.AppImage | 341.31 MB simplex-desktop-ubuntu-22_04-aarch64.deb | 300.93 MB simplex-desktop-ubuntu-22_04-x86_64.deb | 305.59 MB simplex-desktop-ubuntu-24_04-aarch64.deb | 299.06 MB simplex-desktop-ubuntu-24_04-x86_64.deb | 303.63 MB simplex-desktop-x86_64.AppImage | 347.03 MB |
SimpleX Chat v7.0.0 for Androidsimplex-aarch64.apk | 81.71 MB simplex-armv7a.apk | 88.41 MB simplex.apk | 81.71 MB |
SimpleX Chat v7.0.0 Release Notes: New in v7.0.
SimpleX public names for channels and businesses (BETA).
Better channels:
- Promote subscribers to contributors.
- Publish your channel on your website.
- Verify security code with contributors.
- Wider messages, easier to read.
- Host your own chat relays.
Add a longer description to your profile.
Simplified app settings.
Read more about SimpleX Names: https://simplex.chat/blog/20260722-simplex-public-names.html
The GitHub release build is independently reproduced by:
| Verifier | Signatures | PGP key to verify |
| ------- | --------- | ----------------- |
| SimpleX Chat team | [_sha256sums.asc][sums]
[_simplex-aarch64.apk.asc][arm64]
[_simplex-armv7a.apk.asc][armv7] | [BBDF 7BDA D154 8B16 836A F5B9 D53B DFD1 53C3 66BA][pgpkey] |
[sums]: https://github.com/simplex-chat/simplex-chat/releases/download/v7.0.0/_sha256sums.asc
[arm64]: https://github.com/simplex-chat/simplex-chat/releases/download/v7.0.0/_simplex-aarch64.apk.asc
[armv7]: https://github.com/simplex-chat/simplex-chat/releases/download/v7.0.0/_simplex-armv7a.apk.asc
[pgpkey]: https://keys.openpgp.org/search?q=build%40simplex.chat
Read more about verifying and reproducing release builds: https://simplex.chat/reproduce/
Commits:
- android, desktop: new settings section design (#6777)
- core: deliver member profiles via relay (#6953)
- ios: add "update" scripts (#7004)
- core: update simplexmq (receiving services) (#6212)
- core, ui: member full delete with messages (#6994)
- flatpak: update metainfo (#7008)
- docs: update security assessment schedule (#7007)
- android, desktop: fix E2E encryption section divider rendered inside card (#7012)
- core: fix races on member removal / delivery of their messages (#7010)
- directory: add rtsopts (#7006)
- core: rename migrations (#7028)
- Revert "cli: fix redraw slowness (#6735)"
- simplex-chat-python: add BotCommand.params field (#7034)
- core: fix delivery cursor not advancing to maximum group member id for posgtgres (#7043)
- ui: settings navigation reorganization (#7005)
- android, desktop: fix chat item long-press menu and ripple shape (#6997)
- desktop: fix drag-and-drop videos attached as files (#7015)
- android, desktop, ios: show chat name in delete / leave / clear confirmation dialogs (#7021)
- core: limit xftp file description (#7060)
- core: validate user chat ownership for chat tag and TTL APIs (#7063)
- core: fix delivery batching (#7065)
- desktop: authenticate call server websocket (#7076)
- core: render web previews for channels (#7029)
- docs: allow sign content messages in channels plan (#7049)
- website: add SimpleX Network News channel preview (#7087)
- cli: remove help entries for removed commands (#7079)
- core: file invitation size check (#7069)
- android, desktop: fix overlapping warning texts after finalizing migration (#7071)
- Fix IndexOutOfBounds crash when sending media with an undecodable preview (#7050)
- android, desktop: fix lag when closing support chat in large groups (#7061)
- Fix close icon hidden by long file name in compose file preview (#7077)
- ui: enable relay management (#7094)
- web: improve channel layout, fix subscriber count (#7092)
- android, desktop, ios: show clear error when saving group profile fails (#7090)
- core: 7.0.0.0 (simplexmq 7.0.0.0)
- ios: update core library 7.0.0.0
- 7.0.0-beta.0: android 356, desktop 147, ios 336
- website: add whitepaper working draft
- website: update whitepaper draft
- docs: add channel webpage setup guide (#7097)
- android, desktop, ios: remove right gap on received messages in channels (#7106)
- core: improve short link decompression (#7110)
- core: 7.0.0.2 (simplexmq 7.0.0.2)
- core: public groups - roster of privileged members (#7017)
- ui: allow to change member role in channel (#7096)
- website: translations (#7033)
- android, desktop: fix crash on opening chat with extremely wide image (#7123)
- 7.0.0-beta.1: android 360, desktop 149, ios 338
- core: don't create member role change chat item in channels (#7124)
- core: support connecting to channels via cli (#7131)
- ui: show subsriber roles in list; contributor list for subscribers (#7126)
- core: XGrpMemNew checks (#7132)
- 7.0.0-beta.2: android 361, desktop 150, ios 339
- desktop: fix remote desktop channel and connection issues (#7137)
- android, desktop, ios: remove left padding on consecutive received messages in channels (#7108)
- ui: fix channel contributor being able to "send message" without relays (#7139)
- desktop, android: improve custom relay and user address text fields design (#7155)
- desktop: hide "Calls on lock screen" setting (#7154)
- desktop, android: fix file chat item meta layout (#7156)
- desktop, android: fix sections layout in Lock view and "connect to remote desktop" views (#7163)
- desktop: fix crash when opening a video full screen (#7167)
- readme: github-banner (#7172)
- readme: github-banner (#7172)
- ios: restore resolved packages
- android, desktop: keep wide images at natural aspect ratio without crashing (#7125)
- core, ui: support SimpleX names (#7045)
- ios: reliably show API alerts (use UIKit) (#7195)
- ios: export localizations
- core: request roster (#7121)
- core: use concurrency-safe agent async api (#7035)
- docs: add SimpleX name registration guide (#7194)
- core, ui: resolve untyped domains (#7198)
- core: 7.0.0.7 (simplex 7.0.0.4)
- core: fix armv7a build (incomplete record update) (#7205)
- ui: fix SEInvalidMention when @mention is edited in place (#7018)
- desktop: fix Windows in-app updater corrupting install (#7105) (#7136)
- website: translations (#7207)
- 7.0.0-beta.3: android 362, desktop 151, ios 341
- website: update whitepaper
- simplex-chat: sync nodejs and python libs with 7.0.0-beta.3 types (#7219)
- core: don't create group-only feature items in channels (#7220)
- ios: show spinner for database operations moved to sub-screen (#7228)
- multiplatform: improve image processing (#7082)
- core, ui: improve name resolution (#7209)
- core, ui: message signing (#7115)
- multiplatform: bound shared file URI copies (#7075)
- core, ui: show domain for business chat in CLI, test, improve UI (#7235)
- core, web: correctly process name verification for channels, show names in directory (#7238)
- directory: fix group link verification (#7242)
- tests: create separate tmp folders for test clients (#7244)
- ui: hide message signing preference, etc. (#7246)
- core, ui: make msgVerified optional (#7247)
- docs: names overview (#7253)
- docs: add name resolution setup to SMP server guide (#7251)
- website: fix broken GitHub links for project files in docs (#7229)
- cli: add name, image and relay server address flags (#6944)
- core, ui: security code verification in channels (verify member key) (#7255)
- core: add optional profile description (#7256)
- ui: add search to subscribers list view; android, desktop: lazy list (#7264)
- desktop: fix "Failed to launch JVM" on Windows when Java Access Bridge is enabled (one cause of #4146) (#7260)
- ui: what's new in 7.0 (#7265)
- desktop: show startup errors in a copyable window instead of bare "Failed to launch JVM" (#7261)
- website: add Chat Relay guide to the docs navbar (#7271)
- desktop: fix low-quality image previews from over-downsampling (#7267)
- docs: add Hosting your own Chat Relay guide (#7272)
- core: signed history in channels, auto-sign based on preference (#7257)
- core: 7.0.0.9 (simplexmq 7.0.0.5)
- ui: improve profile descriptions (#7262)
- ios: export localizations
- ios, desktop, android: clearer error message when connecting via removed link (AUTH) (#7268)
- desktop: show only desktop .deb packages for current architecture in updater (#7270)
- website: translations (#7273)
- android, desktop: fix empty area below wide images (beta.3 regression) (#7223)
- desktop: don't delete shared temp dirs from a transient second instance (#7168)
- 7.0.0-beta.4: android 363, desktop 152, ios 342
- core: allow moderators to change member <-> observer roles in groups (#7279)
- core: fail compilation on name shadowing (#7283)
- core, ui: per-server roles for self-hosted servers (#7254)
- core: fix missing ": " in CLI display name prompt (#7280)
- tests: enable names role for directory channel name tests (#6643)
- docs: Improve FAQ.md (#6360)
- ui: show XFTP servers used for a file in message info (#7088)
- android, desktop: fix draft loss when switching to chat where user cannot send messages (#7239)
- multiplatform: remove unused clipboard state polling that froze desktop UI (#7237)
- desktop: fix hand cursor over clickable commands; fix command clicks lost on quick successive clicks (#7249)
- ios: fix broken string in zh-Hant.xliff (#7282)
- android, desktop: remove stray card dividers in server info, connect-to-desktop, appearance and migration screens (#7118)
- android, desktop: fix video preview expanding into empty black area (#7286)
- android, desktop: don't allow swipe-to-reply to a marked-deleted message (#7214)
- 7.0.0-beta.5: android 364, desktop 153, ios 343
- blog: SimpleX public names (#7291)
- core: reject group message forwards from unexpected admins (#7289)
- core: prohibit to change or assign relay role (#7284)
- core: fix member support chats staying marked unread after they're read (#7281)
- desktop: fix saving files with '[', '*', or '?' in name on Linux (#7290)
- core: remove SimpleX Status preset contact (#7231)
- core: prohibit image previews when images are prohibited (#7296)
- ios: put "connect to name" button below search in top bar layout (#7297)
- ios: fix receipts toggles in user settings (#7298)
- ios: fix app crashing after onboarding (#7299)
- ui: rename "how to register name" button (#7300)
- desktop: fix chat switch deleting the in-app updater's download (#7295)
- core: ignore mentions and replies of blocked members (#7303)
- directory: expand service README (#6701)
- support bot: fix double invite when joining a customer chat (#7129)
- core: 7.0.0.11 (simplexmq 7.0.0.6)
- desktop: fix opening contact request leaving previous open chat in connecting state (#7302)
- website: translations (#7306)
- 7.0.0-beta.6: android 365, desktop 154
- desktop: fix forwarding moving message draft to another chat (#7307)
- android, desktop: fix reply header not filling message width for emoji (#7314)
- ios: fix chat not opening when contact connects via 1-time link (#7315)
- ios: fix connection dialogue not shown if app is opened via link before onboarding (#7301)
- android, desktop: fix accepting contact request from notification for non-active profile (#7316)
- ui: show "connect to name" button starting with 5 characters; ios: show button in New chat view search (#7318)
- ios, android, desktop: fix draft in support chat appearing in group chat (#7309)
- 7.0: android 366, desktop 155, ios 345
Android APKs:
SHA2-256(simplex-aarch64.apk)= bfee98b34854ed87f85ca4500f2d0ee0445ffe8408ab373bdd8f87c3f8e85c33
SHA2-256(simplex-armv7a.apk)= 9436de3fcf7e235dfdf6c2fb06085852b6356c634620411635ec8edcbe514c4a
Desktop app:
SHA2-256(simplex-chat-ubuntu-24_04-aarch64)= 70a439699053c1d9b7f83fef9dcdd5e391a5b6648a28a797b4e1b730a08b1c1b
SHA2-256(simplex-chat-ubuntu-24_04-aarch64.deb)= 27ae4d40080586b47a663152c463bbcac8387101f2db2c32829ad394610ff445
SHA2-256(simplex-chat-macos-aarch64)= b2837b8d1e782285bdaefca98b61f03cb0384948ab43275b1bed7b2964593590
SHA2-256(simplex-chat-ubuntu-22_04-x86_64)= 393279f37a57ff7a63b92cffbd583d1d8abb5ea13e28f8caea74539d7c8db91d
SHA2-256(simplex-chat-ubuntu-22_04-x86_64.deb)= 548bf0ce65efd184f518a06192a057cc0afff5cdd939b9965fd372bbab790c53
SHA2-256(simplex-chat-ubuntu-22_04-aarch64)= 798cbe00b1cafcd65804762800aa8b889db42d7e231cfefd1ceeeb4d1e91f7f4
SHA2-256(simplex-chat-ubuntu-22_04-aarch64.deb)= 02dfb0c35708318b506ef36d3fb33a75615ea33d34dd802c238a14862bea250f
SHA2-256(simplex-desktop-ubuntu-24_04-aarch64.deb)= 0addd1311da7f467b0b3386ed7aec3b0d381772c5d792c4d51f9cfb364652e4b
SHA2-256(simplex-chat-ubuntu-24_04-x86_64)= 85272a558cd69059f0dfa99634b2c5cedb17f374460c9cec44d9777af10050c1
SHA2-256(simplex-chat-ubuntu-24_04-x86_64.deb)= 93ce866e5a0b327b8ad1e914e2e6c8be63b9d77453685608291a74a07ab320fc
SHA2-256(simplex-chat-windows-x86-64)= 30709806598f0e6987fd480b75d03572e12ecf2d460374e3667982c8a180b3ed
SHA2-256(simplex-desktop-macos-aarch64.dmg)= bc7f89221589ce4ed7fecbbcf4c780e8ad213846c22c13284adeb6fc503275d9
SHA2-256(simplex-desktop-ubuntu-22_04-aarch64.deb)= 11d2dcb9736579d3f29722539b0f973c766f880e473fd515efb8ff6d864723c9
SHA2-256(simplex-desktop-ubuntu-22_04-x86_64.deb)= 785693ab7c066a570f4def324a8bd23962c65bd0234d64efa12bf37f6b481303
SHA2-256(simplex-desktop-aarch64.AppImage)= 6ef0c493cb9bfce39faa58fa7b9bc5fc56182567562afd622237e1e56651dffe
SHA2-256(simplex-desktop-ubuntu-24_04-x86_64.deb)= f70f44d512d4b2446b52b1573fafc17e9cf65ddef7c9128b49ca43cf628210f2
SHA2-256(simplex-desktop-x86_64.AppImage)= 78d2c39390c21dddb89eb78e53b853d4acb6965d53c93be669b8b0cc546dc174
SHA2-256(simplex-desktop-windows-x86_64.msi)= 605254b3a1d2e312361e08c088fa526d0627866c7315201739c5ce6ba8df4198
SHA2-256(simplex-chat-macos-x86-64)= 252c566ac1abad183ce6c8e824cdb8320ee7dd420c9e5f973385d2f20e6d5b56
SHA2-256(simplex-desktop-macos-x86_64.dmg)= ef13cc53ff795d3b93ebdb5ca7c57d7ab699b9d57491a8ee3620e253c8bcb60d
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Key Features SimpleX Chat
No Phone Number or Email Required
One of SimpleX Chat's most distinctive features is that it does not require users to create an account using a phone number or email address. This removes one of the biggest sources of personal data collection found in traditional messaging apps.
End-to-End Encryption
All messages are protected with end-to-end encryption, ensuring that only the intended participants can read conversation contents. Server operators cannot access message contents during transmission.
Decentralized Messaging Network
Rather than relying on a single central server, SimpleX Chat allows messages to be routed through independent relay servers. Users can operate their own relay servers if they want greater control over their communication infrastructure.
Voice and Video Calls
In addition to text messaging, the application supports encrypted voice and video calls, allowing users to communicate securely without relying on separate communication platforms.
File Sharing
Users can securely exchange documents, images, and other files within conversations while maintaining the same privacy protections applied to messages.
Open Source
The entire project is open source, allowing security researchers and developers to inspect the codebase, contribute improvements, and independently verify its privacy claims.
Performance and User Experience
SimpleX Chat offers a clean interface that feels familiar to users coming from mainstream messaging apps. Creating connections requires sharing invitation links or QR codes, which is slightly different from simply searching for a contact but becomes intuitive after a few conversations.
Message delivery is generally reliable, and the application performs well across desktop and mobile platforms. While the privacy-focused architecture introduces a different workflow than conventional messaging services, it does not significantly impact everyday usability.
Pros
No phone number, email, or permanent user ID required.
Strong end-to-end encryption.
Decentralized relay architecture.
Supports voice and video calls.
Secure file sharing.
Open source with transparent development.
Available on multiple desktop and mobile platforms.
Cons
Smaller user base than mainstream messaging apps.
Contact setup is less familiar for new users.
Some advanced collaboration features found in enterprise messaging platforms are not available.
Who Should Use SimpleX Chat?
SimpleX Chat is an excellent choice for privacy-conscious individuals, journalists, developers, activists, researchers, and anyone who wants greater control over their digital communications. It is also suitable for users looking to reduce their reliance on phone number based messaging platforms.
Users who primarily communicate with friends and family already using large messaging ecosystems may find adoption slower due to the platform's smaller community.
Final Verdict
SimpleX Chat delivers one of the strongest privacy models available among modern messaging applications. By eliminating permanent user identifiers while providing encrypted messaging, voice and video calls, and decentralized infrastructure, it offers a compelling alternative to traditional messaging services.
Although its unique approach requires a small adjustment in how contacts are added, the privacy benefits make it one of the best secure messaging platforms currently available.
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