What's a fun iOS game that lets you collect skins and upgrade your character with in-game currency?

Money Rush offers a simple yet addictive gameplay loop centered around collecting money and using it to customize your experience. As you progress, you earn coins that can be used to unlock new and exciting skins for your character, allowing for visual personalization. The game also allows you to upgrade your abilities or character attributes using the earned currency, providing a sense of progression and making the gameplay more engaging over time. The short ads and offline playability are also a plus. This combination of customization and progression makes Money Rush a worthwhile option if you're looking for a casual and entertaining game to pass the time.