How to Make Signal or WhatsApp Your iPhone's Default Messaging App

As much as Apple would like it, iMessage is not the only messaging platform in the world. Yes, RCS is nice, but a lot of people prefer using WhatsApp and Telegram instead. And given the divisive state of world politics right now, secure apps like Signal have their own appeal.

The reality is that, instead of just sticking to your default texting program, you're probably juggling between multiple messaging apps right now. Unfortunately, the iPhone doesn't really make this process easy. Now, there's a new app called DefaultSMS that's trying to bridge this gap.

DefaultSMS uses a new, obscure iPhone setting to change your default messaging app for you. It'll kick in whenever you start up a new message, whether from a link, a preview page, or a contact page. This lets you automatically text using whatever app you want, even if that app doesn't yet officially support Apple's new setting.

DefaultSMS works with WhatsApp, Telegram, or Signal, but conveniently, it also comes with the option to bring up a menu to instead choose between all of your messaging apps every time you go to text, so you can more easily navigate between them on a case-by-case basis. No matter your preference, there's a lot to like here.

How to set up DefaultSMS on iPhone

After downloading the app from the App Store (it costs $0.99), make a trip to the Settings app. Scroll down to the Apps section, choose Default Apps, tap Messaging, and switch to the DefaultSMS app.

Credit: Khamosh Pathak

Now, open the DefaultSMS app to choose your preferred default messaging app. You can choose between Signal, Telegram, and WhatsApp. Or, if you frequently jump between Signal and WhatsApp, you can choose the Ask Each Time option instead. Again, when you use this feature, the app will prompt you to choose a messaging app each time you go to text, including the default Messages app.

Now that setup is done, it's time to test it out.

Credit: Khamosh Pathak

Go to the Phone app, open a contact page, tap the Message button, and the DefaultSMS app will take over, opening a message to your contact in the app of your choice. I, personally, use this with WhatsApp, but regardless of your app of choice, it's nice not to have to hunt for each of my messaging apps on my home screen every time I want to use them.

DefaultSMS still has some limitations. You'll still continue to receive SMS texts and iMessages in the default Messages app, and of course, this method only works if the person you're messaging has the app you're messaging them with installed. If they don't use Telegram, for instance, DefaultSMS won't magically let you them send them a Telegram message.

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