# PuzzleSlimeBattle vs Metal Gun

The clearest difference is in-app purchases: PuzzleSlimeBattle at none against Metal Gun's 9. Metal Gun's advantage is update cadence (every 3 days vs every 8 months) and iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Metal Gun sells 9 one-off in-app purchases. PuzzleSlimeBattle asks for nothing beyond the download.

PuzzleSlimeBattle ships an update every 8 months, Metal Gun every 3 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PuzzleSlimeBattle | Metal Gun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/metal-gun/id6741363313/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 19 MB | 199 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Junichi Mori](https://appshunter.io/developer/1014937787) | [Nguyen Thai Bao](https://appshunter.io/developer/1793922484) |

## What reviewers say

### PuzzleSlimeBattle

[App page](https://appshunter.io/ios/app/puzzleslimebattle/id1146957287)

Engage in a unique RPG where you solve puzzles to attack slimes. Collect and upgrade players to face increasingly challenging slime foes. Enjoy a strategic and fun brain-training experience.

**Highlights:** Puzzle-based combat, Slime collection and upgrading, Player progression, Challenging slime battles, Brain-training gameplay

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

**In-app purchases:** none


### Metal Gun

[App page](https://appshunter.io/ios/app/metal-gun/id6741363313)

Engage in an explosive warfront experience, commanding heroes and vehicles against relentless enemies. Battle through intense campaign stages, deploy tactical vehicles, and recruit unique warriors with special abilities. Strengthen your heroes and push through higher stages with an upgrade system.

**Highlights:** Campaign Mode with bosses, Tactical vehicle deployment, Diverse combat arenas, Unique heroes with special abilities, Hero upgrade system, Daily rewards and achievements

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shop Gem 1 | $1.99 | one-time |
| Shop Coin 1 | $4.99 | one-time |
| Shop Gem 2 | $5.99 | one-time |
| Shop Gem 3 | $9.99 | one-time |
| Shop Coin 2 | $19.99 | one-time |
| Shop Gem 4 | $19.99 | one-time |
| Shop Coin 3 | $49.99 | one-time |
| Shop Gem 5 | $49.99 | one-time |
| Shop Gem 6 | $99.99 | one-time |


## Frequently asked questions

### Is PuzzleSlimeBattle free?

PuzzleSlimeBattle is free to download, with no in-app purchases.

### Is Metal Gun free?

Metal Gun is free to download, with in-app purchases available.

### Do PuzzleSlimeBattle or Metal Gun have ads?

Both PuzzleSlimeBattle and Metal Gun show ads.

### Which is updated more often, PuzzleSlimeBattle or Metal Gun?

PuzzleSlimeBattle ships an update every 8 months, and Metal Gun every 3 days. Most recently, PuzzleSlimeBattle was updated on November 2, 2026 and Metal Gun on October 30, 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.*