# Gun Builder 3D! vs Idle Block Master

The clearest difference is rating: Gun Builder 3D! at 4.7 against Idle Block Master's 3.8. Gun Builder 3D! also leads on ratings volume (4.5K vs 28) and update cadence (fortnightly vs every 5 weeks). Idle Block Master's advantage is monetization model (ad-supported vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gun Builder 3D! holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Gun Builder 3D! has 4.5K ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 53% of Gun Builder 3D!'s written reviews are positive against 44% of Idle Block Master's.

Gun Builder 3D! ships an update fortnightly, Idle Block Master every 5 weeks. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Gun Builder 3D! | Idle Block Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.5K ratings)](https://appshunter.io/ios/app/gun-builder-3d/id1492690876/reviews)** | [3.8 (28 ratings)](https://appshunter.io/ios/app/idle-block-master/id6447330940/reviews) |
| Number of ratings | **4.5K** | 28 |
| Positive reviews | **52.9% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 407 MB | 327 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [moztec](https://appshunter.io/developer/932993004) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### Gun Builder 3D!

[App page](https://appshunter.io/ios/app/gun-builder-3d/id1492690876)

Assemble intricate firearms in a 3D puzzle environment. Fulfill orders, earn in-game currency, and unlock new tools and weapon designs. Enjoy smooth animations and a satisfying building experience.

**Highlights:** 3D puzzle gun assembly, Fulfill gun orders, Earn in-game money, Unlock new tools and guns, Upgrade workspace, Smooth animations

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💕 Enjoyable game
- 👍 Minimal ads
- 🤩 Fun and challenging
- 🎉 Great for passing time
- 🙂 Relaxing experience

**What reviewers complain about**

- 🐛 Crashes and stability issues
- 🤔 Overly precise part placement
- 💸 Too many ads
- 🤯 Frustrating difficulty
- 😕 Inaccurate gun representations

**Reported bugs**

- Game crashes on launch
- Progress resets or gets deleted
- Parts not registering in correct spots
- Freezing and performance issues
- Compatibility problems on certain devices

**Requested features**

- More levels and guns
- Shooting range or target practice mode
- Camera mode to view built guns
- Less restrictive part placement
- Improved gun accuracy and realism


### Idle Block Master

[App page](https://appshunter.io/ios/app/idle-block-master/id6447330940)

Create unique and amusing blocks in this highly addictive game. It's completely free and easy to play, with regular level updates to keep the fun going.

**Highlights:** Create unique blocks, Easy to play, Highly addictive gameplay, Periodic level updates, Free to play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gun Builder 3D! free?

Gun Builder 3D! is free to download, with no in-app purchases.

### Is Idle Block Master free?

Idle Block Master is free to download, with no in-app purchases.

### Which has better reviews, Gun Builder 3D! or Idle Block Master?

Gun Builder 3D! is rated higher. Gun Builder 3D! averages 4.7 out of 5 from 4.5K ratings, while Idle Block Master averages 3.8 from 28 ratings.

### Do Gun Builder 3D! or Idle Block Master have ads?

Both Gun Builder 3D! and Idle Block Master show ads.

### Which is updated more often, Gun Builder 3D! or Idle Block Master?

Gun Builder 3D! ships an update fortnightly, and Idle Block Master every 5 weeks. Most recently, Gun Builder 3D! was updated on October 16, 2026 and Idle Block Master on October 3, 2026.

---

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