Its main services include ride-hailing, food delivery, payment and digital bank and more...
Use Grab a lot and I don't consider it a super-app. It truly is the Ride Hailing/Food delivery service app to use in certain parts of SE Asia. WeChat has a massive ecosystem in that its chat, payments, and a million company built "apps".
In many bank apps they will do travel, stay, cars, vacations, shopping and other dozen things like that .
It is not just banks , airlines do it too, they are so good at it, they are sometimes called finance companies with incidental air transport business.
Somewhere there's a Dr. Strangelove kind of comedy where a wrongly addressed tweet sends the nukes flying, because the competent engineers on X will make an API over tweets, you see...