CSipSimple vs Delta Chat
A side-by-side look at CSipSimple and Delta Chat. For an in-depth review of either product, follow the links below.
CSipSimple
Social & Communications
CSipSimple is an open source SIP client for Android that allows you to make VoIP calls over Wi-Fi or mobile data. It supports common SIP features like call transfer, call forwarding, call waiting, 3-way conferencing, etc.
voipsipandroidcallswifimobile-data
Delta Chat
Social & Communications
Delta Chat is a free and open source email app that allows users to send and receive end-to-end encrypted emails. It uses email standards like SMTP and IMAP to communicate between users on different servers and systems.
emailchatencryptedopen-source
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