ChatSecure is a messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol. Developed by Chris Ballinger and The Guardian Project
License: Open Source
Finch excels in providing robust security features, including end-to-end encryption and an open-source platform, making it suitable for privacy-focused users. In contrast, ChatSecure offers standard messaging capabilities without the same level of encryption, catering to users looking for a more traditional messaging experience.