a prototype for one of the project in my company it's about an app for advertising in cars

Simulation of a Key Generator as seen when redeeming keys for various licenses.

Crypto market platform

High Fidelity Prototype for mobiles

It's an app designed to give Landlords of residential properties the tools they need to let and manage their own properties without the need for an agent. I'm struggling a bit with the UX and creating a professional looking design. Any advice would be appreciated! (It's unfinished by the way)