# iGun Pro vs Gun Builder Custom Guns

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.

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.

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.

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.

## The numbers

| Metric | iGun Pro | Gun Builder Custom Guns |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11K ratings)](https://appshunter.io/ios/app/igun-pro/id574123647/reviews)** | [4.5 (1.6K ratings)](https://appshunter.io/ios/app/gun-builder-custom-guns/id1074243262/reviews) |
| Number of ratings | **11K** | 1.6K |
| Positive reviews | **91.3% of reviews** | 63.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 150 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Crimson Moon Entertainment LLC](https://appshunter.io/developer/301065733) | [Gravity Code](https://appshunter.io/developer/1554824125) |

## What reviewers say

### iGun Pro

[App page](https://appshunter.io/ios/app/igun-pro/id574123647)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pile of 250 Coins | $0.99 | one-time |
| Stack of 500 Gold Coins | $1.99 | one-time |
| Mound of 1000 Gold Coins | $2.99 | one-time |
| Mound of 1500 Coins | $4.99 | one-time |
| Buy All Guns Forever | $8.99 | one-time |
| Box of 4000 Coins | $9.99 | one-time |
| Crate of 10000 Coins | $9.99 | one-time |
| Buy Everything | $9.99 | one-time |

**What reviewers like**

- 🔥 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

**What reviewers complain about**

- 🪙 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

**Reported bugs**

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

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/gun-builder-custom-guns/id1074243262)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | $5.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Sound issues
- Crashes and freezes
- Paid content not working as expected

**Requested features**

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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*