A little birdie told me "Telegram bad", so I use matrix instead
Iraq Blocks Telegram Access In The Country Citing 'Privacy Concerns'
The ministry said in a statement it had asked the app to close down "platforms that leak the data of the official state institutions and the personal data of citizens... but the company did not respond and did not interact with any of these requests."
https://www.nobsbitcoin.com/iraq-blocks-access-to-telegram-due-to-privacy-concerns/
Discussion
Depends on your use case if Matrix is the right candidate. If you want to minimize trusted parties that could gather personal information then SimpleX might be the better option.