Yes, but the question was “does this exist anywhere other than in China?”
China is a pretty specific and unique market. Perhaps the existence of such an “everything app” is related to that, explaining why it doesn’t exist elsewhere?
Yes, they exist elsewhere. Check out Grab (southeast Asia), Line (Japan, Taiwan), Kakao (Korea), Gojek (Indonesia), PayTm (India) or any number of everything-apps.
Telegram moving in this direction very fast. At this moment, telegram is used as news, blogs, file transfer app, chat etc. Recently added miniapps with real payments integration, "stars" as internal currency
- Booking trains on the national railway
- Booking flights
- Booking hotels
- Paying all your bills
- Buying stuff
- Ordering food
- Renting a bike
- Getting a rideshare
- Seeing a doctor
- Donating to charities
- Investing
- Reading e-books
- Pretty much everything else
A lot of it is done through their HTML5 "mini-app" ecosystem but it's all under one everything app.