However threema has some disadvantages compared with WhatApp:
- Messages are encrypted and decrypted on the device. Therefore, with weaker smartphones can the sending eg images take a while, as the opening of these
- It is only supported Android> 4.0. Has something to do with the encryption used.
To the statement that "almost no one uses the contacts threema":
If you do not do the beginning and actively conveys your friends, this will never change. One has to just go ahead and make the first move. Each should be the safety of the small contribution value and when you consider that after the second year paid WhatsApp is even more expensive than threema, no longer uses the argument was threema teier, also. In addition, the license is bound here to the account and not as in WhatsApp to the mobile phone number.