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Best Gun Customizer Apps & Games

186+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

Gun Builder ELITE 2 is the household name in gun customizer, but it's far from the only option. We track 186+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Gun Customizer

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
iGun Pro 2#2

iGun Pro 2 by Crimson Moon Entertainment LLC

The Ultimate Gun Application
Strong Contender
🎮 Games
4.8😊(85K ratings)
FreeAdsIn-App Purchases
#94in Games
iGun Pro 2 screenshot 1
iGun Pro 2 screenshot 2
iGun Pro 2 screenshot 3

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!

What We Love

  • 🔫 Realistic gun models and sounds
  • 🎨 Excellent customization options
  • 🏆 Fun and engaging contests
  • 👍 Smooth gameplay and controls

Room to Improve

  • 💰 Subscription-based model limits free content
  • 🔒 Restricted access to many guns and attachments
  • 🐛 Occasional bugs and glitches
Gun Builder Simulator#3

Gun Builder Simulator by Marijana Peric

Gun Simulator
Worth Considering
🎮 Games
4.3(307 ratings)
FreeAdsIn-App Purchases
Gun Builder Simulator screenshot 1
Gun Builder Simulator screenshot 2
Gun Builder Simulator screenshot 3
Gun Builder Simulator screenshot 4
Gun Builder Simulator screenshot 5
Gun Builder Simulator screenshot 6

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!

More Gun Customizer apps to explore

4
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)
5
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)
6
Gun Maker : pimp my weapon
Gun Maker : pimp my weapon
Gun Maker : pimp my weapon
Make weapons and action
Free

Design and create your own fantasy weapons with intuitive controls using this app. Customize every aspect of your gun, from body to decorations, and enjoy the gun action in a preview mode. Share your creations online and use them as wallpapers or character decorations.

🎨 Graphics & Design
(221)
7
Gun Building 3
Gun Building 3
Gun Building 3
Rifle,Pistol,Sniper,Shotgun...
Free

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!

🎮 Games
(3.1K)
8
Custom Gun Simulator 3D
Custom Gun Simulator 3D
Custom Gun Simulator 3D
3D Gun Builder & Gun Simulator
Free

Create and customize your own virtual firearms using a realistic 3D simulation. Experience designing and testing various guns with this interactive app today!

🎮 Games
(1.1K)
9
Magnum3.0
Magnum3.0
Magnum3.0
Gun Custom Simulator
Free

Experience the ultimate gun custom simulation app with realistic sound effects and detailed gun operation mechanisms. Practice shooting in various ranges and earn credits as you customize your guns. Begin your gun-simulating journey today!

🎮 Games
(754)
10
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)
11
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)
12
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)
13
Gun Shop Simulator 3D Shooting
Gun Shop Simulator 3D Shooting
Gun Shop Simulator 3D Shooting
Sell guns, open shooting range
Free

Immerse yourself in the world of arms dealing, customize and sell firearms, and compete at the shooting range in this ultimate Gun Shop Simulator. Stock a variety of weapons, expand your shop, prove your skills, and become the ultimate weapon dealer today!

🎮 Games
(2.8K)
14
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)
15
myArmsCache
myArmsCache
myArmsCache
Gun & Ammo Inventory Database
Free

Discover and track your firearm collection, log details for each weapon, manage maintenance schedules, and receive reminders for cleaning and servicing. Simplify gun ownership with this comprehensive app - keep your firearms organized and in top condition effortlessly. Download now to streamline your gun maintenance routine.

🔧 Utilities
(2.1K)
16
Mr Gun
Mr Gun
Mr Gun
Be the king of the streets!
Free

Become the ultimate street marksman in this addictive shooting game. Tap to shoot, aim for headshots, and upgrade your arsenal to conquer boss blacklists. Test your skills and dominate the competition now!

🎮 Games
(99K)
17
Gun Fire - Shooting World
Gun Fire - Shooting World
Gun Fire - Shooting World
by GUNFIRE GAME LIMITED
Free

Experience an incredible 3D FPS mobile shooting game where you aim and shoot targets using various guns to earn high scores. Challenge your friends, unlock different weapons, and improve your shooting skills across a variety of 3D maps and levels. Start playing for free anytime, anywhere!

🎮 Games
(39K)
18
gun.deals
gun.deals
gun.deals
Best deals on guns and ammo
Free

Discover the best deals on guns and ammo with our app! Easily compare offers from thousands of stores, find discounts, set price alerts, and make informed decisions on firearms, ammunition, optics, outdoor gear, and more. Browse, compare, and save time with just a few clicks!

🛍️ Shopping
(22K)
19
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)
20
Quick Gun: PvP Standoff
Quick Gun: PvP Standoff
Quick Gun: PvP Standoff
Online PvP Cowboy Standoff
Free

Experience the thrill of Quick Gun, an online PvP cowboy standoff game where you tilt your phone to draw your gun, aim, and shoot opponents in a 360 3D environment. Challenge friends, unlock weapons, and climb the wanted leaderboard. Will you emerge as the quickest gunslinger? Join Now!

🎮 Games
(3.8K)

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