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Download SimpleX Chat (f-droid version) 6.5.3 APK
Target: Android 15 (API 35)
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What's new in SimpleX Chat (f-droid version) 6.5.3
From version 6.4.11:
New in v6.4-6.4.10:
- new UX to connect.
- review new group members.
- approve contact requests from group members.
- UI for bot commands.
- markdown hyperlinks.
- option to remove tracking from links.
- reduced battery usage.
- new languages: Catalan, Indonesian, Romanian and Vietnamese.
New in v6.4.10:
- improve image and video messages.
- improve error handling.
Read more: simplex.chat/blog/20250729-simplex-chat-v6-4-1-welcome-contacts-protect-groups-app-security.html
About SimpleX Chat (f-droid version) 6.5.3
Security assessment was done by Trail of Bits in November 2022.
SimpleX Chat features:
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- end-to-end encrypted messages, with editing, replies and deletion of messages.
- sending end-to-end encrypted images and files.
- single-use and long-term user addresses.
- secret chat groups - only group members know it exists and who is the member.
- end-to-end encrypted audio and video calls.
- private instant notifications.
- portable chat profile - you can transfer your chat contacts and history to another device (terminal or mobile).
SimpleX Chat advantages:
- Full 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 network: you can use SimpleX with your own servers and still communicate with people using the servers that are pre-configured in the apps or any other SimpleX servers.
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 - our servers do not have access to this information.
All messages are end-to-end encrypted using open-source double-ratchet protocol; the messages are routed via our servers using open-source SimpleX Messaging Protocol.
Please send us any questions via the app (connect to the team via settings!), email us or submit an issue on GitHub.
Follow us on Mastodon (@simplex@mastodon.social), Twitter (@SimpleXChat) and Reddit (r/SimpleXChat) for the latest updates.
Once you install SimpleX Chat, join the group of users via this link to share your ideas and feedback.
SimpleX Chat (f-droid version) 6.5.3 variants
This release comes in several variants (we currently have 2). Consult our handy FAQ to see which download is right for you.
Version:6.5.4
Uploaded:June 3, 2026 at 8:24PM UTC
File size:88.14 MB
Version:6.5.3(352) for Android 8.0+ (Oreo, API 26)
Uploaded:May 29, 2026 at 10:17AM UTC
File size:80.34 MB
Downloads:13
Version:6.5.2(350) for Android 8.0+ (Oreo, API 26)
Uploaded:May 16, 2026 at 8:44AM UTC
File size:80.22 MB
Downloads:11
Version:6.5.1(348) for Android 8.0+ (Oreo, API 26)
Uploaded:May 8, 2026 at 12:21AM UTC
File size:80.26 MB
Downloads:7
Version:6.4.11(337) for Android 8.0+ (Oreo, API 26)
Uploaded:April 2, 2026 at 4:17PM UTC
File size:70.80 MB
Downloads:10
Version:6.4.10(334) for Android 8.0+ (Oreo, API 26)
Uploaded:March 9, 2026 at 5:57AM UTC
File size:70.80 MB
Downloads:16
Version:6.4.6(322) for Android 8.0+ (Oreo, API 26)
Uploaded:October 16, 2025 at 12:09AM UTC
File size:70.61 MB
Downloads:33
Version:6.4.5(320) for Android 8.0+ (Oreo, API 26)
Uploaded:September 13, 2025 at 8:07PM UTC
File size:70.64 MB
Downloads:20
Version:6.4.4(318) for Android 8.0+ (Oreo, API 26)
Uploaded:September 4, 2025 at 8:27AM UTC
File size:70.60 MB
Downloads:9
Version:6.4.1(308) for Android 8.0+ (Oreo, API 26)
Uploaded:August 7, 2025 at 7:53AM UTC
File size:65.33 MB
Downloads:9
Version:6.4(304) for Android 8.0+ (Oreo, API 26)
Uploaded:July 21, 2025 at 7:42PM UTC
File size:64.81 MB
Downloads:20
Version:6.5.3
Uploaded:May 29, 2026 at 10:17AM UTC
File size:90.91 MB
Downloads:16
Version:6.5.2
Uploaded:May 16, 2026 at 8:44AM UTC
File size:90.72 MB
Downloads:24
Version:6.5.1
Uploaded:May 8, 2026 at 12:21AM UTC
File size:90.65 MB
Downloads:21
Version:6.4.11
Uploaded:April 3, 2026 at 4:03PM UTC
File size:80.83 MB
Downloads:34
Version:6.4.10
Uploaded:March 9, 2026 at 5:57AM UTC
File size:80.83 MB
Downloads:26
Version:6.4.6
Uploaded:October 16, 2025 at 12:09AM UTC
File size:80.61 MB
Downloads:69
Version:6.4.5
Uploaded:September 13, 2025 at 8:07PM UTC
File size:80.61 MB
Downloads:43
Version:6.4.4
Uploaded:September 4, 2025 at 8:27AM UTC
File size:80.63 MB
Downloads:15
Version:6.4.3.1
Uploaded:August 18, 2025 at 7:46PM UTC
File size:75.64 MB
Downloads:19
Version:6.4.2
Uploaded:August 7, 2025 at 9:58AM UTC
File size:75.38 MB
Downloads:13
