SoroushPlus Messenger (Persian: پیام‌رسان سروش‌پلاس) is an instant messaging application, developed by Setak Houshmand Sharif, The messenger has Android and iOS versions for phones, and trial versions for Windows, MacOS and Linux According to the privacy policy, the app stores user information including content of chats, and user information such as name, phone number and contacts on their servers.

[1] Some sources have criticised the app for its potential use by the Iranian government to monitor citizens.

[2] Milad Nouri reported a bug in Soroush application in 2018 using which you were able to find any user's phone number.

The terms and conditions of the service stipulate that users are not allowed to publish cybercrime, anti-religious, violent and terrorist propaganda, child abuse and theft.

[7] Ayatollah Khamenei closed his account on Telegram and telling users to do the same and sign up to the Iranian-produced services including Soroush.