Idle Gym is a free fitness simulation game for iPhone that allows you to become a fitness tycoon. In this game, you are the boss of a fitness studio and your goal is to expand your studio and make it profitable. The game has infinite levels, which means that you can have never-ending fun playing it. You can level up to unlock new features, discover new studios, and make them profitable with smart strategies. You can even design and customize your own fitness empire where everyone keeps fit and you get rich!

The game is easy-to-play and easy to gain, making it perfect for those who enjoy idle and incremental games. The animations and 3D graphics are amazing, making the game highly addictive. One of the best things about Idle Gym is that you can collect gold even when you're offline.

If you're looking for a fun and engaging game that allows you to build your own fitness city, Idle Gym is definitely worth checking out. Download it now for free and start your fitness tycoon journey!