# Gun Builder 3D! vs Stack Draft

The clearest difference is in-app purchases: Gun Builder 3D! at none against Stack Draft's 2. Gun Builder 3D! also leads on iOS requirement (12.0 vs 18.0). Stack Draft's advantage is ads (none vs shown) and update cadence (daily vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Stack Draft sells 2 one-off in-app purchases. Gun Builder 3D! asks for nothing beyond the download.

Gun Builder 3D! ships an update fortnightly, Stack Draft daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gun Builder 3D! | Stack Draft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.5K ratings)](https://appshunter.io/ios/app/gun-builder-3d/id1492690876/reviews)** | — |
| Number of ratings | **4.5K** | — |
| Positive reviews | 52.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 407 MB | 28 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [moztec](https://appshunter.io/developer/932993004) | [皓东 马](https://appshunter.io/developer/1879274312) |

## 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


### Stack Draft

[App page](https://appshunter.io/ios/app/stack-draft/id6809814035)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-day Trial | Free | one-time |
| Full Game — One Purchase | $4.99 | one-time |


## Frequently asked questions

### Is Gun Builder 3D! free?

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

### Is Stack Draft free?

Stack Draft is free to download, with in-app purchases available.

### Do Gun Builder 3D! or Stack Draft have ads?

Gun Builder 3D! shows ads; Stack Draft does not.

### Which is updated more often, Gun Builder 3D! or Stack Draft?

Gun Builder 3D! ships an update fortnightly, and Stack Draft daily. Most recently, Gun Builder 3D! was updated on November 3, 2026 and Stack Draft on October 31, 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.*