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Best Build A Gun Apps & Games

189+ iOS apps & games curated and reviewed

4.5 avg rating
20 free apps & games
Updated May 2026

Gun Builder ELITE 2 is the household name in build a gun, but it's far from the only option. We track 189+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Build A Gun

Gun Builder ELITE 2#1

Gun Builder ELITE 2 by Lifebelt Games Pte. Ltd.

3D Weapon Simulator Game
Editor's Choice
🎮 Games
4.7😐(6.7K ratings)
FreeAdsIn-App Purchases
Gun Builder ELITE 2 screenshot 1
Gun Builder ELITE 2 screenshot 2
Gun Builder ELITE 2 screenshot 3
Gun Builder ELITE 2 screenshot 4
Gun Builder ELITE 2 screenshot 5

Design and customize your dream firearm with realistic detail and functionality in this innovative simulator app. Unleash your creativity and explore various gun parts to create your perfect weapon. Download now and start building your personalized firearms today!

What We Love

  • 👍 Fun and epic game
  • 🚀 Lots of customization options
  • 💡 Destruction physics are great

Room to Improve

  • 🐛 Frequent crashes and performance issues
  • 🔒 Progression system is too grindy and pay-to-win
  • 🔋 Difficult to earn in-game currency
Gun Tycoon#2

Gun Tycoon by Kwalee Ltd

An empire of bullets!
Strong Contender
🎮 Games
4.6😞(17K ratings)
FreeAdsIn-App Purchases
Gun Tycoon screenshot 1
Gun Tycoon screenshot 2
Gun Tycoon screenshot 3
Gun Tycoon screenshot 4
Gun Tycoon screenshot 5

Build your gun empire, set prices, and test weapons in the field to become the biggest tycoon. Choose wisely, aim for profit, and unlock new levels in your quest for success! Start your empire now!

What We Love

  • 👍 Good game
  • 🚀 Fun and addictive
  • 👍 Decent gameplay

Room to Improve

  • 🔍 Too short
  • 💰 Excessive ads
  • 🔍 Lack of content/progression
Gun Building 3#3

Gun Building 3 by yizhan ye

Rifle,Pistol,Sniper,Shotgun...
Worth Considering
🎮 Games
4.1😊(3.1K ratings)
FreeIn-App Purchases
Gun Building 3 screenshot 1
Gun Building 3 screenshot 2
Gun Building 3 screenshot 3
Gun Building 3 screenshot 4
Gun Building 3 screenshot 5
Gun Building 3 screenshot 6

Build your own custom firearms with a variety of parts and accessories. Create rifles, pistols, snipers, shotguns, and more to suit your preferences. Start crafting your perfect weapon now!

What We Love

  • 👍 Highly customizable guns
  • 🚀 Impressive level of detail
  • 💡 Ability to set custom sounds, ammo, fire rate, and animations
  • 👍 Fun and creative gun building experience

Room to Improve

  • 💰 Microtransactions for additional guns and attachments can be excessive
  • 🔒 Limited to only assault rifles without purchasing additional gun packs
  • 🐛 Some inaccuracies in gun models and attachments

More Build A Gun apps to explore

4
iGun Pro 2
iGun Pro 2
iGun Pro 2
The Ultimate Gun Application
Free

Explore the ultimate gun application offering a realistic interactive gun encyclopedia with features like customizing weapons, participating in design contests, and sharing your creations. Build, upgrade, and design your arsenal with a wide selection of firearms. Get ready to experience high-quality graphics and a touch-friendly painting system for unlimited custom designs. Start creating your perfect weapon today!

🎮 Games
(84K)
5
GunCrafter
GunCrafter
GunCrafter
Multiplayer Gun Crafting
Free

Create, customize, and compete with your crafted guns in intense multiplayer shooting matches. Experience instant matchmaking, head-to-head battles, physics-based challenges, and leaderboards to track your progress. Join the global community and sharpen your shooting skills now!

🎮 Games
(3.7K)
6
Gun Build N Run
Gun Build N Run
Gun Build N Run
by SUPERSONIC STUDIOS LTD
Free

Create and customize your own guns to use in exciting shooting challenges! Unleash your creations in action-packed battles. Start building and shooting now!

🎮 Games
(11K)
7
Weapon Master: Gun Shooter Run
Weapon Master: Gun Shooter Run
Weapon Master: Gun Shooter Run
Merge, Aim and Start Shooting!
Free

An action-packed gun-shooting game where players merge guns and craft their ultimate arsenal to battle enemies in thrilling run-based challenges. Become a Weapon Master - dominate the battlefield now!

🎮 Games
(96K)
8
Gun Builder 3D!
Gun Builder 3D!
Gun Builder 3D!
Tricky gun puzzle
Free

Experience the thrill of constructing guns in a 3D puzzle game by taking orders, building intricate firearms, and unlocking new tools and weapons with smooth animations and graphics. Craft, sell, and upgrade to enhance your gameplay!

🎮 Games
(4.5K)
9
Gun Builder Simulator
Gun Builder Simulator
Gun Builder Simulator
Gun Simulator
Free

Experience the ultimate gun simulation with a range of realistic firearms and customizations for free. Explore unlimited ammo, lifelike effects, and a variety of attachments. Dive into the world of guns and create your perfect weapon setup today!

🎮 Games
(307)
10
Gun Builder Custom Guns
Gun Builder Custom Guns
Gun Builder Custom Guns
Weapon Simulator
Free

Explore a thrilling world of custom guns with realistic sound and visual effects in this weapon simulator app. Build your own unique pistols, enjoy unlimited shooting, and share your creations on social media to enhance your gun-building experience. Download now for an entertaining and immersive experience!

🎮 Games
(1.6K)
11
Weapon Survivor
Weapon Survivor
Weapon Survivor
Merge and craft weapons!
Free

Merge and craft weapon parts to create powerful guns in this application. Combine different components to build unique weapons and enhance your arsenal! Start crafting now!

🎮 Games
(14K)
12
iGun Pro
iGun Pro
iGun Pro
The Original Gun Application
Free

Discover the original gun application with the largest library of firearms available on any mobile platform. Explore one of the Top 500 Most Downloaded iOS Game Apps of All Time.

🎮 Games
(10K)
13
Gun Builder ELITE - Modern Weapons, Sniper & Assault Rifles
Gun Builder ELITE - Modern Weapons, Sniper & Assault Rifles
Gun Builder ELITE - Modern Weapons, Sniper & Assault Rifles
by Lifebelt Games Pte. Ltd.
Free

Create your ultimate modern arsenal with Gun Builder ELITE! Design and customize your firearms, from pistols to sniper rifles, with an array of realistic parts and accessories. Show off your creations and download new designs from the community to enhance your shooting experience.

🎬 Entertainment
(2.9K)
14
Shot Factor
Shot Factor
Shot Factor
by Voodoo
Free

"Create your ultimate gun using various mods and enjoy playing with it! Let's Play!"

🎮 Games
(44K)
15
GUNSIM - 3D Gun Shooter FPS
GUNSIM - 3D Gun Shooter FPS
GUNSIM - 3D Gun Shooter FPS
Ultra-realistic shooter action
Free

Immerse yourself in intense shooter action with ultra-realistic 3D guns in this simulator game. Fight against tough dummy armies, upgrade weapons, and master tactical shooting skills to overcome challenging levels. Download now to experience stunning graphics, addictive gameplay, and immersive sound effects!

🎮 Games
(3.2K)
16
Gun Builder 3D Simulator
Gun Builder 3D Simulator
Gun Builder 3D Simulator
Gun simulator 3d
Free

Design and customize your own virtual weapons for exciting battles with friends in the Gun Builder 3D Simulator app. Choose from a variety of firearms, add accessories, and enjoy realistic shooting experiences with high-quality graphics and audio-visual effects. Play, improve your weapon designs, and have fun without causing harm – download now!

🎮 Games
(283)
17
World of Guns: Gun Disassembly
World of Guns: Gun Disassembly
World of Guns: Gun Disassembly
Ultimate 3D gun-app!
Free

Experience the ultimate 3D gun-app with a free-to-play simulator, allowing you to explore and disassemble over 187 gun models and 203 total models in intricate detail. Discover the inner workings of legendary firearms and put your knowledge and skills to the test against the clock.

🎮 Games
(1.2K)
18
Weaphones™ Firearms Sim Mini
Weaphones™ Firearms Sim Mini
Weaphones™ Firearms Sim Mini
The Original Gun Simulator
Free

Immerse yourself in the world of realistic firearms simulation with Weaphones™. Experience authentic gun handling on your mobile device without any real-world consequences. Try it now for a lifelike gun simulation experience.

🎮 Games
(3.4K)
19
GUN CLUB 2 - Best in Virtual Weaponry
GUN CLUB 2 - Best in Virtual Weaponry
GUN CLUB 2 - Best in Virtual Weaponry
The ultimate weapon simulator.
Free

Experience the ultimate weapon simulator with an extensive range of virtual weapons in GUN CLUB 2. Explore realistic gun mechanics and customizable features for an immersive experience. Gear up and start your virtual armory today!

🎮 Games
(354)
20
Idle Guns Factory Tycoon
Idle Guns Factory Tycoon
Idle Guns Factory Tycoon
Idle Guns Tycoon Game
Free

Build, customize, and test iconic guns in the Idle Guns Factory Tycoon game. Enjoy a simple clicker experience with vibrant visuals and offline playability. Download now to become a gun-building expert!

🎮 Games
(5.9K)