What are some alternatives?
When comparing MagicPad and Wickr, you can also consider the following products
MyChat - Secure instant messenger for any network
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Send - Instant messaging meets email (by Microsoft)
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Threema - A secure, end-to-end encrypted Swiss instant messenger with a focus on privacy.
Keybase for Mobile - End-to-end encryption messaging platform