Which is safer Viber or WhatsApp?

Related questions

1. Can I use Viber without Internet?
2. Can I use Viber on two phones?
3. Can I install Viber on two phones?
4. Is WhatsApp or Viber better?
5. Is Viber going to start charging?
6. Why has Viber stopped working?
7. Does Viber work without SIM card?
8. Does Viber use SMS?
9. What's Viber out call?
10. Does Viber work with iPhone?

Tags

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2. #audio
3. #contact
4. #encrypts
5. #secret
6. #however
7. #encrypt
8. #chats
9. #initiate
10. #difference
11. #messages
12. #encrypted
13. #requires
14. #offer
15. #whatsapp
16. #viber
17. #group
18. #default
19. #video
20. #encryption
21. #calls
22. #while