# Sharpen Blade vs Gun Builder 3D!

The clearest difference is in-app purchases: Gun Builder 3D! at none against Sharpen Blade's 1. Sharpen Blade's advantage is ratings volume (50K vs 4.5K) and update cadence (weekly vs fortnightly). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Sharpen Blade sells 1 one-off in-app purchase. Gun Builder 3D! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Sharpen Blade against 4.7 for Gun Builder 3D!. That said, the two scores are not equally well evidenced: Sharpen Blade has 50K ratings behind it against 4.5K, so its average is the more settled of the two. Written reviews are what separate them: 59% of Sharpen Blade's written reviews are positive against 53% of Gun Builder 3D!'s.

Sharpen Blade ships an update weekly, Gun Builder 3D! fortnightly. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sharpen Blade | Gun Builder 3D! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (50K ratings)](https://appshunter.io/ios/app/sharpen-blade/id1488895948/reviews) | **[4.7 (4.5K ratings)](https://appshunter.io/ios/app/gun-builder-3d/id1492690876/reviews)** |
| Number of ratings | **50K** | 4.5K |
| Positive reviews | **58.6% of reviews** | 52.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 194 MB | 407 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Zplay (Beijing) Info. Tech. Co.,Ltd.](https://appshunter.io/developer/531022725) | [moztec](https://appshunter.io/developer/932993004) |

## What reviewers say

### Sharpen Blade

[App page](https://appshunter.io/ios/app/sharpen-blade/id1488895948)

Engage in a satisfying simulation of crafting powerful swords. Grind and shape various blade designs to test their strength in this addictive game.

**Highlights:** Realistic grinding simulation, Simple and engaging gameplay, Satisfying visuals and sound, Multiple blade shapes, Sword strength testing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |

**What reviewers like**

- 👍 Satisfying gameplay
- 🚀 Addictive and fun
- 💡 Creative sword-making
- 🔒 Minimal ads

**What reviewers complain about**

- 🐛 Glitches and bugs
- ⏱️ Too many ads
- 🔧 Controls can be tricky
- 🔁 Repetitive after a while

**Reported bugs**

- Certain levels unbeatable due to glitches
- Game crashes when ads appear
- Progress resets unexpectedly

**Requested features**

- More levels and content
- Custom sword creation mode
- Ability to test and use created swords
- Undo/reset functionality


### 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


## Frequently asked questions

### Is Sharpen Blade free?

Sharpen Blade is free to download, with in-app purchases available.

### Is Gun Builder 3D! free?

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

### Which has better reviews, Sharpen Blade or Gun Builder 3D!?

Gun Builder 3D! is rated higher. Sharpen Blade averages 4.7 out of 5 from 50K ratings, while Gun Builder 3D! averages 4.7 from 4.5K ratings.

### Do Sharpen Blade or Gun Builder 3D! have ads?

Both Sharpen Blade and Gun Builder 3D! show ads.

### Which is updated more often, Sharpen Blade or Gun Builder 3D!?

Sharpen Blade ships an update weekly, and Gun Builder 3D! fortnightly. Most recently, Sharpen Blade was updated on November 1, 2026 and Gun Builder 3D! on October 29, 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.*