2018-11-10 18:19:00 +01:00
|
|
|
<!--
|
|
|
|
|
.. title: Phone messaging apps comparison
|
|
|
|
|
.. slug: im-services
|
|
|
|
|
.. date: 2016-07-06
|
|
|
|
|
.. tags: whatsapp,telegram,signal,instant messaging,messaging protocols,PesceWanda
|
|
|
|
|
.. category: PesceWanda
|
|
|
|
|
.. link:
|
|
|
|
|
.. description:
|
|
|
|
|
.. type: text
|
|
|
|
|
-->
|
|
|
|
|
|
2016-07-07 02:05:21 +02:00
|
|
|
|
|
|
|
|
I made this chart for a presentation at the [Berkman Klein Center](https://cyber.law.harvard.edu/)
|
|
|
|
|
|
|
|
|
|
| | Whatsapp | Telegram | Signal |
|
|
|
|
|
|-------|:--------:|:--------:|-------:|
|
|
|
|
|
|Source code| closed source | open source | open source|
|
|
|
|
|
|Api | none | various | library |
|
|
|
|
|
|Encription protocol | state of the art | self made | state of the art |
|
|
|
|
|
|Contact list location | cloud | cloud | cloud, encrypted |
|
|
|
|
|
|Forward Secrecy | yes | yes | yes |
|
|
|
|
|
|Database| phone storage| cloud | phone storage |
|
|
|
|
|
|Backup capability | Icloud or Gcloud| builtin| none|
|
|
|
|
|
|Revenue | ads (Facebook) | donation based | donation based |
|
|
|
|
|
|Federation | no | no | no|
|
|
|
|
|
|Alternative download location | website | F-Droid | none |
|
|
|
|
|
|Uses third party services | no | no |Google Cloud Messaging |
|
|
|
|
|
|Servers location | US | Russia | US |
|
|
|
|
|
|Tied to mobile number | yes | yes, but nickname available | yes |
|
|
|
|
|
|Desktop client | no | yes | no |
|
2018-11-10 18:19:00 +01:00
|
|
|
|
