Tap your way to a shredded physique in this idle gym simulator. Train various exercises, upgrade equipment, and customize your character's style and stats. Enjoy a relaxing workout loop offline.






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Whether you want more options like Muscle King! or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.






Tap your way to a shredded physique in this idle gym simulator. Train various exercises, upgrade equipment, and customize your character's style and stats. Enjoy a relaxing workout loop offline.






Tap to mine resources and chop wood on an abandoned island. Upgrade tools, customize your character, and explore to build a mining empire. Play offline and trade with a mysterious merchant.






This idle workout game lets you tap to build muscles and transform a skinny character into a powerful bodybuilder. Train in the gym, compete, upgrade stats like an RPG, and customize your hero's look. Enjoy a satisfying fitness simulator with simple controls and offline play.