SimpleX Chat: secure messenger
ソーシャルネットワーキング
iPhoneのみ対応
無料
SimpleX - the first messaging network without user identifiers of any kind (not even random numbers) - 100% private by design!
Security assessments by Trail of Bits:
2022: https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html
2024: https://simplex.chat/blog/20241014-simplex-network-v6-1-security-review-better-calls-user-experience.html
SimpleX Chat features:
- quantum resistant end-to-end encrypted messages, with editing, replies and deletion.
- disappearing messages with opt-out per contact/group.
- message reactions.
- delivery receipts, with opt-out per contact or group.
- multiple chat profiles, with hidden profiles.
- app access and self-destruct passcodes.
- incognito mode - unique to SimpleX Chat.
- end-to-end encrypted images and files.
- voice messages up to 5 minutes – also end-to-end encrypted.
- "live" messages – they update for all recipients as you type them, every few seconds - unique to SimpleX Chat.
- connect via one-time invitation links or via long-term public addresses.
- secret chat groups - only group members know the group exists and who is the member.
- end-to-end encrypted audio and video calls.
- connection security code verification, for contacts and group members – to protect from man-in-the-middle attacks (e.g. invitation link substitution).
- end-to-end encrypted push notifications (they contain only encrypted meta-data, not the actual content).
- encrypted portable chat database - you can transfer your chat contacts and history to another device.
- all local files and media are encrypted by default.
- animated images and "stickers" (e.g., from GIF and PNG files and from 3rd party keyboards).
SimpleX Chat advantages:
- privacy of your identity, profile, contacts and metadata: unlike any other existing messaging platform, SimpleX uses no phone numbers or any other identifiers assigned to the users - not even random numbers. This protects the privacy of who you are communicating with, hiding it from SimpleX platform servers and from any observers.
- complete protection against spam and abuse: as you have no identifier on SimpleX platform, you cannot be contacted unless you share a one-time invitation link or an optional temporary user address.
- full ownership, control and security of your data: SimpleX stores all user data on client devices, the messages are only held temporarily on SimpleX relay servers until they are received.
- decentralized proxied peer-to-peer network: you can use SimpleX Chat via your own relay servers and still communicate with people using pre-configured or any other SimpleX relay servers.
- fully open-source code.
You can connect to anybody you know via link or scan QR code (in the video call or in person) and start sending messages instantly - no emails, phone numbers or passwords needed.
Your profile and contacts are only stored in the app on your device - relay servers do not have access to this information.
All messages are end-to-end encrypted using open-source quantum resistant double-ratchet protocol; the messages are delivered via relay servers using open-source SimpleX Messaging Protocol.
Please send us any questions via the app (connect to the team via the app settings!), email chat@simplex.chat or submit issues on GitHub (https://github.com/simplex-chat/simplex-chat/issues)
Ream more about SimpleX Chat at https://simplex.chat
Get source code in our GitHub repo: https://github.com/simplex-chat/simplex-chat
Follow us on X/Twitter (@SimpleXChat), Reddit (r/SimpleXChat/) and Mastodon (https://mastodon.social/@simplex) for the latest updates.
さらに見る Does not have landscape mode
デベロッパの回答 Thank you! It indeed wasn't a focus, we will try to look into it later this year!
Does not have landscape mode
Thank you! It indeed wasn't a focus, we will try to look into it later this year!
日本ではセキュアなメッセンジャーアプリの選択肢が少ない中、Signal、Session、Threemaに次ぐ新しいアプリとして注目しています。SimpleXはセルフホストができるようですが日本語訳化が進んでいないのがネックで手が出ません。日本語訳化、どうかよろしくお願いします。
日本ではセキュアなメッセンジャーアプリの選択肢が少ない中、Signal、Session、Threemaに次ぐ新しいアプリとして注目しています。SimpleXはセルフホストができるようですが日本語訳化が進んでいないのがネックで手が出ません。日本語訳化、どうかよろしくお願いします。
登録時に電話番号が必要がないサービス、素晴らしいが、iPadで開く画面が小さくなってしまう
登録時に電話番号が必要がないサービス、素晴らしいが、iPadで開く画面が小さくなってしまう
New in v7.0-7.0.2.
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
7.0.2 1日前
New in v7.0-7.0.1.
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
7.0.1 8月19日
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
7.0 8月2日
New in v6.5-6.5.6.
Public channels - speak freely!
- Reliability: many relays per channel.
- Ownership: you can run your own relays.
- Security: owners hold channel keys.
- Privacy: for owners and subscribers.
Easier to invite your friends: we made connecting simpler for new users.
Safe web links:
- opt-in to send link previews.
- prevent hyperlink phishing.
- remove link tracking.
Non-profit governance: to make SimpleX Network last.
Read more: https://simplex.chat/blog/20260430-simplex-channels-v6-5-consortium-crowdfunding-freedom-of-speech.html
6.5.6 6月24日
New in v6.5-6.5.5.
Public channels - speak freely!
- Reliability: many relays per channel.
- Ownership: you can run your own relays.
- Security: owners hold channel keys.
- Privacy: for owners and subscribers.
Easier to invite your friends: we made connecting simpler for new users.
Safe web links:
- opt-in to send link previews.
- prevent hyperlink phishing.
- remove link tracking.
Non-profit governance: to make SimpleX Network last.
Read more: https://simplex.chat/blog/20260430-simplex-channels-v6-5-consortium-crowdfunding-freedom-of-speech.html
6.5.5 6月19日
New in v6.5-6.5.4.
Public channels - speak freely!
- Reliability: many relays per channel.
- Ownership: you can run your own relays.
- Security: owners hold channel keys.
- Privacy: for owners and subscribers.
Easier to invite your friends: we made connecting simpler for new users.
Safe web links:
- opt-in to send link previews.
- prevent hyperlink phishing.
- remove link tracking.
Non-profit governance: to make SimpleX Network last.
Read more: https://simplex.chat/blog/20260430-simplex-channels-v6-5-consortium-crowdfunding-freedom-of-speech.html
6.5.4 6月4日
New in v6.5-6.5.3.
Public channels - speak freely!
- Reliability: many relays per channel.
- Ownership: you can run your own relays.
- Security: owners hold channel keys.
- Privacy: for owners and subscribers.
Easier to invite your friends: we made connecting simpler for new users.
Safe web links:
- opt-in to send link previews.
- prevent hyperlink phishing.
- remove link tracking.
Non-profit governance: to make SimpleX Network last.
Read more: https://simplex.chat/blog/20260430-simplex-channels-v6-5-consortium-crowdfunding-freedom-of-speech.html
6.5.3 5月27日
New in v6.5-6.5.2.
Public channels - speak freely!
- Reliability: many relays per channel.
- Ownership: you can run your own relays.
- Security: owners hold channel keys.
- Privacy: for owners and subscribers.
Easier to invite your friends: we made connecting simpler for new users.
Safe web links:
- opt-in to send link previews.
- prevent hyperlink phishing.
- remove link tracking.
Non-profit governance: to make SimpleX Network last.
New in v6.5.2: channel owners can delete messages from history without time limit.
Read more: https://simplex.chat/blog/20260430-simplex-channels-v6-5-consortium-crowdfunding-freedom-of-speech.html
6.5.2 5月15日
New in v6.5-6.5.1.
Public channels - speak freely!
- Reliability: many relays per channel.
- Ownership: you can run your own relays.
- Security: owners hold channel keys.
- Privacy: for owners and subscribers.
Easier to invite your friends: we made connecting simpler for new users.
Safe web links:
- opt-in to send link previews.
- prevent hyperlink phishing.
- remove link tracking.
Non-profit governance: to make SimpleX Network last.
Read more: https://simplex.chat/blog/20260430-simplex-channels-v6-5-consortium-crowdfunding-freedom-of-speech.html
6.5.1 5月4日
New in v6.5.
Public channels - speak freely!
- Reliability: many relays per channel.
- Ownership: you can run your own relays.
- Security: owners hold channel keys.
- Privacy: for owners and subscribers.
Easier to invite your friends: we made connecting simpler for new users.
Safe web links:
- opt-in to send link previews.
- prevent hyperlink phishing.
- remove link tracking.
Non-profit governance: to make SimpleX Network last.
Read more: https://simplex.chat/blog/20260430-simplex-channels-v6-5-consortium-crowdfunding-freedom-of-speech.html
6.5 4月30日
New in v6.4-6.4.11
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
- improved message delivery.
v6.4.11:
- improve error handling.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.11 3月30日
New in v6.4-6.4.10
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
- improved message delivery.
v6.4.10:
- improve error handling.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.10 1月31日
New in v6.4-6.4.9:
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
- improved message delivery.
v6.4.9:
- fix dialog for connecting to other users closing on iOS 26.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.9 1月8日
New in v6.4-6.4.8:
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
- improved message delivery.
v6.4.8:
- reduce memory usage when sharing to SimpleX Chat.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.8 2025/12/14
New in v6.4-6.4.7:
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
- improved message delivery.
v6.4.7:
- fixes compatibility with iOS 26.1.
- fixes export of database larger than 4gb.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.7 2025/11/04
New in v6.4-6.4.6:
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
- improved message delivery.
v6.4.6 has fixes for opening SimpleX links from outside of the app.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.6 2025/10/07
New in v6.4-6.4.5:
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
- improved message delivery.
v6.4.5 has fixes for chats with group admins.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.5 2025/09/12
New in v6.4-6.4.4:
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
- improved message delivery.
v6.4.4 has fixes and small improvements.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.4 2025/08/28
New in v6.4.3:
- UI support for bot commands.
- support markdown hyperlinks, e.g.: [click here](https://example.com).
- option to remove tracking parameters from the links.
New in v6.4-6.4.1:
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- approve contact requests from group members.
- improved message delivery.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.3 2025/08/12
New in v6.4.2:
- manually accept member contact requests, with option to auto-accept.
- ignore contact requests from blocked group members.
- support links and colors in profile bio/group purpose.
New in v6.4-6.4.1:
- new UX to connect.
- review new group members ("knocking").
- chat with group admins.
- improved message delivery.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.2 2025/08/04
New in v6.4.1:
- welcome your contacts: set profile bio and welcome message.
- enable disappearing messages by default for new contacts.
- short SimpleX addresses and group links now include profile images and welcome messages.
Read more: https://simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
6.4.1 2025/07/29
New in v6.4:
- Connect faster: message instantly once you tap Connect.
- Review group members: chat with new members before they join.
- Chat with admins: send your private feedback to group owners.
- New group role: Moderator - can remove messages and block members.
- Improved message delivery - less traffic on mobile networks.
Read about the new UX for making connections in the blog post: https://simplex.chat/blog/20250703-simplex-network-protocol-extension-for-securely-connecting-people.html
6.4 2025/07/15
New in v6.3.1-7
- fixed changing the user profile of the invitation link.
- many improvements and fixes for push notifications.
- better "secrets" in messages - send them with #secret# markdown.
- support joining groups with "knocking" (admins can enable it in v6.4-beta).
- support short connection links (BETA).
- UI improvements.
New in v6.3
Better groups
- Mention members and get notified when mentioned.
- Send private reports to moderators.
- Faster sending messages and faster deletion.
Better chat navigation
- Organize chats into lists to keep track of what's important.
- Jump to found and forwarded messages.
Better privacy and security
- Private media file names.
- Message expiration in chats.
Read more: https://simplex.chat/blog/20250308-simplex-chat-v6-3-new-user-experience-safety-in-public-groups.html
6.3.7 2025/07/07
New in v6.3.1-6
- many improvements and fixes for push notifications.
- better "secrets" in messages - send them with #secret# markdown.
- support joining groups with "knocking" (admins can enable it in v6.4-beta).
- support short connection links (BETA).
- UI improvements.
New in v6.3
Better groups
- Mention members and get notified when mentioned.
- Send private reports to moderators.
- Faster sending messages and faster deletion.
Better chat navigation
- Organize chats into lists to keep track of what's important.
- Jump to found and forwarded messages.
Better privacy and security
- Private media file names.
- Message expiration in chats.
Read more: https://simplex.chat/blog/20250308-simplex-chat-v6-3-new-user-experience-safety-in-public-groups.html
6.3.6 2025/06/15
New in v6.3.1-5
- many improvements and fixes for push notifications.
- better "secrets" in messages - send them with #secret# markdown.
- support joining groups with "knocking" (admins can enable it in v6.4-beta).
- support short connection links (BETA).
- UI improvements.
New in v6.3
Better groups
- Mention members and get notified when mentioned.
- Send private reports to moderators.
- Faster sending messages and faster deletion.
Better chat navigation
- Organize chats into lists to keep track of what's important.
- Jump to found and forwarded messages.
Better privacy and security
- Private media file names.
- Message expiration in chats.
Read more: https://simplex.chat/blog/20250308-simplex-chat-v6-3-new-user-experience-safety-in-public-groups.html
6.3.5 2025/06/10
New in v7.0-7.0.2.
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
さらに見る バージョン7.0.2 1日前
データの収集なし デベロッパはこのアプリからデータを収集しません。
