http://secushare.psyciumunsqarzsehz5xlgsi2mg4dkvntwf5bwj5kwbcbazwiuhna2ad.onion/comparison
We have not seen solid evidence of Telegram not providing safe secret chats,
whereas there is no reason to expect proprietary builds of iMessage or Whatsapp to provide any secrecy at all, just because apparent whitepapers
describe it that way (that's what the many acclaimed cryptographers that are
praising the privacy of these tools use to judge them, not if the declared
cryptography is actually in those tools at all) and source codes claimed
to be used inside look genuine, but cannot be used or fully...