The settlement of the antitrust class action also includes changes to App Store rules that prevented developers from billing customers directly.
Microsoft will integrate its Teams chat software directly into the OS and is adding videoconferencing features.
A witness at a Senate hearing compared the companies' control over their platforms to the "behavior of the robber barons."
The court says iPhone users are eligible to sue Apple for overcharging them for apps sold in the App Store.
New communications and messaging products like Telegram have user and data security as their defining quality.
