Build intricate mechanical machines to destroy castles, armies, and overcome obstacles in a physics-based world. Create anything from tanks to giant robots and test your creations in campaign or sandbox modes. Share your designs with the community.






28+ iOS apps & games curated and reviewed
Looking for free besiege apps and games? 20 of our 28+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (442) | No | Yes | Aug 2026 | |
| 2 | Free | 4.2★ (3.7K) | Yes | Yes | Aug 2026 | |
| 3 | Free | 3.4★ (70) | Yes | Yes | Aug 2026 | |
| 4 | Free | 4.3★ (4.3K) | Yes | Yes | Aug 2026 | |
| 5 | Free | 4.3★ (27K) | No | Yes | Aug 2026 | |
| 6 | Free | 1.8★ (12) | No | Yes | May 2026 | |
| 7 | Free | — | Yes | No | May 2026 | |
| 8 | Free | 3.7★ (148) | Yes | Yes | Aug 2026 |






Build intricate mechanical machines to destroy castles, armies, and overcome obstacles in a physics-based world. Create anything from tanks to giant robots and test your creations in campaign or sandbox modes. Share your designs with the community.




Experience thrilling aviation challenges as you navigate turbulent skies and execute emergency landings. Test your piloting skills with dynamic controls and realistic physics in a visually stunning flight simulator. Face catastrophic scenarios and strive for the safest outcome for all passengers.





Design and construct unique destructive machines in an open-world sandbox. Engage in combat with various enemies across land, sea, and air using your custom-built creations. The intuitive editor allows for complex control schemes for any vehicle.


Explore three distinct physics simulations: build and navigate ships, experiment with bomb explosions and water behavior in a sandbox, or observe the interactions of various elements. This free app offers creative building and destructive fun.


Experience a realistic flight simulation with a global map, detailed aircraft, and multiplayer capabilities. Plan your flights, navigate with authentic tools, and fly with or control air traffic in a dynamic environment.


Defend your home against an endless army of skeletons in this strategic castle defense game. Earn resources to upgrade your fortress and unlock powerful enchanted arrows to unleash elemental destruction on your foes.




Create anything you can imagine in this mobile sandbox. Build complex vehicles like monorails or tracked all-terrain vehicles without limitations. This developing project welcomes user suggestions.


Experience realistic car crashes and destruction in this simulator. Perform high-speed jumps, test your vehicles against hurdles, and earn points to upgrade your modern cars. Master the art of car crashing with detailed damage simulation.


Command a military base, train recruits into specialists, and manage resources in this incremental army simulator. Build, upgrade, and customize your base while dispatching operatives on dangerous missions to bring law and order to remote corners of the planet.


Defend your magic castle from waves of monsters using tactical skills and powerful spells. Build and upgrade your castle, customize heroes, and explore a fantasy world with various game modes like raids and dungeons.


Engage your creativity with a building blocks and physics simulation game. Explore a world with exquisite pixel art, realistic physics, and a vast collection of chariot parts and scenarios. A must-play for fans of creative challenges.




Defend your castle from relentless enemy attacks using catapults and strategic tower placement. Engage in various game modes, from single-player campaigns to intense PvP battles, to become a legendary defense master.


Engage in medieval battles against knights, Vikings, and Spartans. This game offers a blend of strategy and epic warfare, with the opportunity to win real cash prizes through practice or cash tournaments. Download for free and start your journey.






Embark on an epic adventure as a wealthy passenger on the Titanic. Your mission is to find a stolen diamond, but your investigation will uncover a mystery far greater than you imagined.


Build and launch rockets to explore a realistic, open universe. Experience space exploration with accurate physics and a vast, explorable solar system.


Defend your base against a relentless zombie horde in this tactical survival game. Gather survivors, collect supplies, and use a variety of weapons and strategic moves to obliterate the undead. Explore a vast world, upgrade your units, and build your legacy.