Comparison

iGun Pro vs Gun Builder Custom Guns

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

iGun Pro

Explore a vast collection of over 420 virtual firearms with realistic firing simulations. Learn about their history, specs, and usage, and customize your collection with unique skins and display options.

Highlights
  • Ultra-realistic gun simulation
  • Largest library of 420+ firearms
  • Detailed firearm specs and history
  • Customizable gun wall display
  • Adjustable shooting experience
  • Customizable gun skins
Features
Read full description

One of the Top 500 Most Downloaded iOS Game Apps of All Time and has the largest library of firearms available on any mobile platform. Download the #1 Gun Applications with over 420 firearms available. iGun Pro® is The Original Gun Simulation app with over 55 Million mobile downloads and counting. With the largest gun library available, iGun Pro® sets the standard for virtual gun simulation applications. Features: Fire - Ultra-Realistic gun simulation including both motion blur and smoke with an easy to learn interface let users quickly begin using their collection. Collect - The largest library available on any mobile platform with over 420 guns just a tap away! Learn - iGun Pro® has a massive library of specs, history, usage, and statistics of all the firearms featured in the app. Customize - • Gun Wall - Display your guns, your way • Determine your shooting experience with adjustable recoil, motion blur, and slow motion • Make your guns fit your personality with custom skin packages You'll see many weapons that you may find in your personal collection and many military firearms found in Xbox 360, Xbox One and PS4 games such as COD Ghosts, COD Black Ops 1,2 & 3, Battlefield 2, 3 & 4 and GTA! iGun Pro is a registered trademark of Crimson Moon Entertainment LLC. The iGun Pro logo, Crimson Moon Entertainment, and the Crimson Moon Entertainment logo are all trademarks of Crimson Moon Entertainment LLC and may not be used without explicit written permission. COD, GTA, COD Black Ops, Battlefield 2, Battlefield 3, GTA, Xbox, PS4 and COD Ghosts, are trademarks of their respective owners and are in no way affiliated with Crimson Moon Entertainment LLC.

About

Gun Builder Custom Guns

Design and build your own unique virtual pistols with a vast selection of parts. Once created, you can fire your custom weapons with unlimited ammo and realistic sound and visual effects.

Highlights
  • Build custom pistols
  • Huge selection of pistol parts
  • Shoot from custom pistols
  • Unlimited ammo
  • Realistic gun sound effects
  • High resolution graphics
  • Share custom pistols on social media
Features
Read full description

Start your journey through the world of guns with eWeapons™ Gun Builder Custom Guns. With this gun app you can build pistols to match your own taste. Forget about the same old pistols, because with this custom gun builder, you can create original pistols no one has ever seen before. When you select your pistol, build it, you are ready to start shooting in one of the best gun shooting games. It will be a real pleasure for you to shoot from virtual pistols you have built on your own. eWeapons™ Gun Builder Custom Guns is an app that has realistic gun sound effects and excellent visual effects, so, we do not have any doubts that this weapon simulator will become one of your favorite gun games and best way to entertain yourself on a daily basis. You will have an amazing time with this custom gun app and you will definitely feel like a real gun expert when you see your custom gun looks. If you are a fan of gun games, download our gun app now and have one of the best weapon builder apps on your phone. If you are one of the people who love guns, then this app is perfect for you. It is very easy to build virtual pistols on your phone, just choose the part of the pistol you want to build first and the building can start. In the app you will find a big selection of designs for your guns and this is what makes this gun builder simulator so special. When you are done with building your custom gun, you are ready to start shooting and the best part is that you can shoot as long as you want, because you do not have to worry about the ammo. With eWeapons™ Gun Builder Custom Guns you will have unlimited ammo and this is what makes this simulator game much more interesting. One of the best weapon builder simulator apps you can have and we are sure that you will have a lot of fun with one of the best gun shooting games on the market. Features of eWeapons™ Gun Builder Custom Guns: - huge selection of different pistol parts - shoot from your custom pistol - unlimited ammo - authentic pistol mechanics - realistic pistol sounds - flash - high resolution graphics - realistic fire and smoke - realistic recoil effects - slow motion - share custom pistol on social networks You can visit us on: Facebook : https://www.facebook.com/pages/EWeapons/1478338392421495 Twitter: https://twitter.com/eWeaponsTm Instagram: https://instagram.com/eWeapons Google+: https://plus.google.com/u/0/100354016998642015299 You Tube: https://www.youtube.com/watch?v=Pz_iY-LQTZQ vkontakte: https://vk.com/eweapons and write some suggestions and your impressions about eWeapons™ Gun Builder Custom Guns. Contact us on e-mail: eweapons@yandex.com ©2018 eWeapons™ Gun Builder Custom Guns application has been created for entertainment purposes only.

Screenshots

iGun Pro4 screens
Gun Builder Custom Guns4 screens

Verdict

The call

The clearest difference is ads: iGun Pro at none against Gun Builder Custom Guns's shown. iGun Pro also leads on review sentiment (91% vs 64%) and ratings volume (11K vs 1.6K). On price, rating, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. iGun Pro sells 8 one-off in-app purchases and Gun Builder Custom Guns sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

iGun Pro holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: iGun Pro has 11K ratings behind it against 1.6K, so its average is the more settled of the two. Written reviews point the same way: 91% of iGun Pro's written reviews are positive against 64% of Gun Builder Custom Guns's.

UpkeepUpdate frequency

iGun Pro ships an update every 6 weeks, Gun Builder Custom Guns every 5 weeks. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
iGun Pro versus Gun Builder Custom Guns: the parameters behind the verdict, then further details
ParameteriGun ProGun Builder Custom Guns
PriceFreeFree
Rating4.7 (11K ratings) — better4.5 (1.6K ratings)
Positive reviews91.3% of reviews — better63.7% of reviews
Number of ratings11K — better1.6K
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size48 MB150 MB
Age rating12+12+
DeveloperCrimson Moon Entertainment LLCGravity Code

Customer experience

iGun Pro

All ratings10,618 ratings
Positive92.9%
Neutral2.7%
Negative4.4%
Written reviews1,788 reviews
Positive91.3%
Neutral4.0%
Negative4.6%

Gun Builder Custom Guns

All ratings1,587 ratings
Positive86.7%
Neutral5.4%
Negative7.9%
Written reviews102 reviews
Positive63.7%
Neutral4.9%
Negative31.4%

User reviews

iGun Pro

From 11K App Store ratings

What we love

  • 🔥 Realistic gun sounds and effects
  • 📚 Informative gun details and history
  • 🎮 Fun and engaging gameplay
  • 🔍 Wide variety of guns to explore
  • ⚖️ Fair free-to-play model

Room to improve

  • 🪙 Slow coin earning rate to unlock new guns
  • 🔒 Lack of cloud save/restore functionality
  • 🐛 Occasional bugs and glitches
  • 💰 Expensive in-app purchases for full access

Gun Builder Custom Guns

From 1.6K App Store ratings

What we love

  • 🚀 Good game to pass the time
  • 👍 Realistic
  • 👍 Customization options
  • 👍 Enjoyable

Room to improve

  • 🐛 Shooting issues
  • 🐛 Lack of weapon variety
  • 🐛 Frequent ads
  • 💰 Paid content locked

Bugs and requests

iGun Pro

Reported bugs

3 issues
  • Automatic fire mode not working consistently
  • Screen flashing issue when shooting
  • Coins not properly awarded after watching ads

Requested features

4 requests
  • Add more classic and historical firearms
  • Implement a target range or shooting gallery mode
  • Allow manual reloading and gun customization
  • Introduce a daily reward system or challenges to earn coins faster

Gun Builder Custom Guns

Reported bugs

3 issues
  • Sound issues
  • Crashes and freezes
  • Paid content not working as expected

Requested features

4 requests
  • Add more weapon types (AR, sniper, SMG, grenades)
  • Improve shooting mechanics
  • Reduce ads or make them optional
  • Unlock more content for free

In-app purchases

8 purchases

iGun Pro

One-time8
  • Pile of 250 Coins$0.99
  • Stack of 500 Gold Coins$1.99
  • Mound of 1000 Gold Coins$2.99
Show 5 more
  • Mound of 1500 Coins$4.99
  • Buy All Guns Forever2 variants$8.99
  • Box of 4000 Coins$9.99
  • Crate of 10000 Coins$9.99
  • Buy Everything2 variants$9.99
1 purchases

Gun Builder Custom Guns

One-time1
  • Unlock All$5.99

Questions

Is iGun Pro free?
iGun Pro is free to download, with in-app purchases available.
Is Gun Builder Custom Guns free?
Gun Builder Custom Guns is free to download, with in-app purchases available.
Which has better reviews, iGun Pro or Gun Builder Custom Guns?
iGun Pro is rated higher. iGun Pro averages 4.7 out of 5 from 11K ratings, while Gun Builder Custom Guns averages 4.5 from 1.6K ratings.
Do iGun Pro or Gun Builder Custom Guns have ads?
Gun Builder Custom Guns shows ads; iGun Pro does not.
Which is updated more often, iGun Pro or Gun Builder Custom Guns?
iGun Pro ships an update every 6 weeks, and Gun Builder Custom Guns every 5 weeks. Most recently, iGun Pro was updated on September 24, 2026 and Gun Builder Custom Guns on September 19, 2026.

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