Could be Iveco.
Iveco
A good app to use to place a watermark logo is iWatermark.
Iveco
iveco
WhatsApp messenger app has a green logo with telephone.
blackberry app world
Guess the Logo
For the Logos app game, the answer is HBO.
You cannot change it, it is it's logo
A company that does not cheat on an I phone app!
porn
The logo you're describing, featuring a split half white and half green circle, belongs to the mobile payment app Cash App. This logo represents the brand's focus on simplicity and accessibility in financial transactions. Cash App is widely used for sending and receiving money, as well as for managing investments and cryptocurrency.