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ChatSecure Messenger app for iPhone and iPad


4.0 ( 9200 ratings )
Utilities Social Networking
Developer: Chris Ballinger
Free
Current version: 5.0.4, last update: 1 year ago
First release : 17 Dec 2011
App size: 33.74 Mb

ChatSecure is a free and open source messaging app that features OTR and OMEMO encryption over XMPP. You can create new accounts on public XMPP servers, or even connect to your own server for extra security.

Unlike other apps that keep you stuck in their walled garden, ChatSecure is fully interoperable with other clients that support OTR, OMEMO and XMPP.

ChatSecure only uses well-known open source cryptographic libraries to keep your conversations private. Other apps may make claims about military grade security but, without publicly auditable source code and verifiable end-to-end encryption, you cannot be truly safe.

* XMPP with TLS certificate pinning.
* OTR for verifiable end-to-end encryption and forward secrecy.
* OMEMO for a mobile-friendly alternative to OTR.
* SQLCipher to locally encrypt conversation logs.
* Free and Open Source: https://github.com/chatsecure/chatsecure-ios

Follow @ChatSecure on Twitter: https://twitter.com/chatsecure

►► ChatSecure Donations
Subscribe to ChatSecure to help make developing free and open source privacy tools sustainable. We welcome any contribution to support ongoing development. The donation levels are currently $2.99/month, $5.99/month or $19.99/month. Heres what you get:

• Feel good supporting indie software
• Continued development and updates
• Help keep the app free for everyone

To manage your subscription:
• You can turn off auto-renewal via the main Settings app: http://support.apple.com/kb/ht4098
• Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your iTunes account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.
• Payment will be charged to iTunes Account at confirmation of purchase.
• Visit the following URL to view our Privacy Policy: https://chatsecure.org/privacy/
• Visit the following URL for full terms of use: https://chatsecure.org/terms/

Pros and cons of ChatSecure Messenger app for iPhone and iPad

ChatSecure Messenger app good for

OTR is the best secure messaging protocol available to date. In addition, Facebooks open messaging protocol is now supported, which means secure communications between non technical friends has never been easier. Although, I wonder how long Facebook will allow this, because they no longer can scan your IMs for advertising purposes.
I dont really think this needs much elaboration. It is a well designed IM app that supports OTR. Great work!
It works really well and works as intended. The ability to manage the OTR keys is nice. Reviews indicating issues with backgrounding should know that this is an iOS limitation, not a limitation with this app. The chat clients that do not have this limitation typically work with a server-side component that sees the messages (Beejive comes to mind). Of course for a privacy focused app this is not an option.
Excellent work to c it happening on the ios OTR+TOR= real chatsecure
Only basic functionality, but quite good app. Could be nice to have password-protected, encrypted history and configuration.
Those message balloons should be wider, also, would you consider adding MUC support? Will be 5 stars when that annoying bug with balloons is fixed.

Some bad moments

Can not see any chat messages in the App! No need to download this App. Wasted time. You can not delete accounts at all.
Crude interface. Keeps popping up inactivity warnings even when disconnected.
Simply cant login to XMPP server, and no error message at all. All the other clients tried work right away on this server. iOS 6.1.2 and iPhone 4S.
OTR works fine once established, but theres functionality missing: Shutting off the screen will start the inactivity timeout countdown, very annoying when changing between apps pr simply wanting to save on battery. Cant maintain a permanent XMPP connection, it should be able to keep the app open throughout the day like any other IM client. No option for saving conversation transcripts, clear text or encrypted. Enforce OTR for all chats option and also the capability for storing multiple fingerprints for a same contact would be a couple of nice enhancements. ## Update 2013-06-13 Constant crashes on new version!!
Good looking app, but useless since its disconnecting once you close it ! Please make it possible to work on the background.
Ive tried everything to get this to work. After re-installing it I was able to chat for a total of 1.5 minutes before it began crashing again. Id improve my rating if the app improved, but in its current form it isnt usable at all.

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