243+ iOS apps & games curated and reviewed
Gun Builder Simulator is the household name in gun builder simulator, but it's far from the only option. We track 243+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (307) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.7★ (7.5K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.7★ (3.8K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.2★ (283) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (1.1K) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.5★ (1.3K) | No | Yes | Aug 2026 |
| 7 |  | Free | 4.0★ (2.9K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.8★ (86K) | No | Yes | Aug 2026 |
Explore a vast arsenal of realistic firearms, from assault rifles to pistols. Customize weapons with various attachments and experience authentic mechanics, including muzzle flashes and shell ejection. Enjoy unlimited ammo and simulation shooting with over 150 levels.
Build, customize, and fire a vast array of realistic firearms with extensive detail. Test your creations on realistic shooting grounds and compete globally with your custom weapons. Showcase your arsenal in a personalized gun rack.
Engage in realistic firearms training by battling rogue SoldierBots. Collect, upgrade, and customize a vast arsenal of 3D weapons across hundreds of challenging levels. Master your shooting skills to defeat increasingly tough enemies and boss battles in this immersive action game.
Design and customize your own firearms in a 3D simulator. Equip them with various accessories and test their accuracy in virtual shooting galleries. Share your creations with friends for virtual battles.
Build and customize a wide variety of firearms virtually. Explore an extensive arsenal, add attachments, and test your creations on a shooting range. Enjoy realistic gun sounds and graphics in this free simulation game.
Explore and interact with a vast collection of 3D firearms, from historical to modern. Disassemble, reassemble, and learn about their inner workings with unparalleled realism. Engage in various game modes, including timed challenges and a detailed encyclopedia.
Design, build, and customize a wide variety of modern firearms in realistic 3D. Test your creations at the shooting range and collect your personalized weapons.
Explore a vast collection of firearms, virtually fire them, and customize them with attachments and unique patterns. Compete in design contests and share your creations with a global community. This app offers realistic simulations and serves as a reference for popular FPS games.
Explore a vast collection of weapon models. Disassemble, understand the physical structure, and reassemble various firearms. Experience realistic 3D modeling and sound effects with simulated shooting and training.
Design and combine various small arms to create unique weapons. This game simulates weapon engineering, allowing you to customize firearms for tactical use and combat effectiveness. It's intended for entertainment and jokes.
Customize your firearms with a variety of mods to create your ultimate weapon. Engage in gameplay and experience your personalized creations.
Experience a realistic firearms simulation with interactive controls, authentic mechanics, and detailed graphics. Customize your weapon fit and explore various firearm types with tutorials and mini-games.
Experience the mechanical suspense of a classic revolver with realistic sounds, haptic feedback, and detailed design. Spin the cylinder, load custom bullet counts, and learn about the operation of this iconic piece of engineering. Offers a premium trial with subscription options.