As of iOS 18.2, Apple lets you select a default for a wider category of apps, including calls and messages. Here's how to pick your app of choice. I’ve contributed to PCMag since 2019 ...
As of iOS 18.2, anyone can change the default apps on their iPhone for categories like email, messaging, calling, call filtering, contactless app, web browser, password manager, and keyboards.
Estimates range from as little as $3000 to $150,000 for more complex apps made by high-end developers. Costs also change according to country and here we see the range from $10 – 50 an hour in India ...