How to make WhatsApp the default app for calls and messages First, let's talk about how to make this happen. On your iPhone running the latest iOS 18 build, go to Settings > Apps > Default Apps.

WhatsApp is reportedly developing a new feature for enabling users to choose a default theme. The selected theme will only function on the app regardless of the setting of the phone.

Support for default calling and messaging on iOS is listed as a feature for the WhatsApp testflight beta, but it appears to work just fine with the latest version of the iOS app in the App Store ...

iPhone users can now get setup so that WhatsApp is their default messaging and calling app. If your iPhone is updated to iOS 18.2 then the functionality is already available for you right now.

You Can Now Make WhatsApp Your Default Calling And Texting App On iPhone By Jacob Siegal March 27, 2025 8:34 pm EST José Adorno for BGR ...

In iOS 18.2, Apple added an option to designate a third-party app as the default for calling and/or messaging. Now, third-party apps are starting to support the feature, starting with WhatsApp.

According to WABetaInfo, iPhone users can now set WhatsApp as their default app for calling and text messaging after updating to the app’s version 25.8.74.

WhatsApp is set to launch a feature enabling real-time voice chats with Meta AI, making interactions with the chatbot more ...

You can now set this AI app as the default digital assistant on your phone, replacing Gemini or other existing voice ...