WhatsApp Business, which was previously only available on Android, has now been launched on iOS.
According to WhatsApp, the Android version has been adopted by millions of businesses around the world.
"We're excited to bring the WhatsApp Business app to even more small businesses and hear new stories about how it's helping them succeed," said WhatsApp.
The WhatsApp Business app is available for free download to iOS users in Brazil, Germany, Indonesia, India, Mexico, the UK, and the US.
Other countries will get access to WhatsApp Business in the coming weeks.
Features of WhatsApp Business that iOS users will now have access to include the creation of a business profile and business-focused messaging tools.