# Pen Shooter! vs Piston Stack Run

The clearest difference is rating: Pen Shooter! at 5.0 against Piston Stack Run's 4.5. Pen Shooter! also leads on update cadence (every 2 days vs every 10 days). Piston Stack Run's advantage is ratings volume (12 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Pen Shooter! holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Piston Stack Run has 12 ratings behind it against 2, so its average is the more settled of the two.

Pen Shooter! ships an update every 2 days, Piston Stack Run every 10 days. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Pen Shooter! | Piston Stack Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pen-shooter/id1672064678/reviews)** | [4.5 (12 ratings)](https://appshunter.io/ios/app/piston-stack-run/id6450260988/reviews) |
| Number of ratings | 2 | **12** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Ad-supported | Ad-supported |
| Size | 93 MB | 252 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Ela Game](https://appshunter.io/developer/1536955498) |

## What reviewers say

### Pen Shooter!

[App page](https://appshunter.io/ios/app/pen-shooter/id1672064678)

Engage in a satisfying shooter experience where you spin pens to strengthen your weapon. Manipulate gates to enhance your firepower and smash hexagons to earn rewards. This game offers simple yet highly enjoyable gameplay.

**Highlights:** Spin pens to strengthen weapon, Manipulate gates, Smash hexagons, Earn rewards, Simple gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Piston Stack Run

[App page](https://appshunter.io/ios/app/piston-stack-run/id6450260988)

Aim and shoot knots at targets, then transform into a powerful drill to conquer screw-drilling challenges. Master fire rate and range gates to advance and unlock new levels. Experience stunning visuals and an engaging storyline in this action-packed game.

**Highlights:** Precision knot shooting, Screw drilling challenges, Unlockable levels and opponents, Fire rate and range gate mechanics, Stunning visuals and sound effects, Engaging storyline

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pen Shooter! free?

Pen Shooter! is free to download, with no in-app purchases.

### Is Piston Stack Run free?

Piston Stack Run is free to download, with no in-app purchases.

### Which has better reviews, Pen Shooter! or Piston Stack Run?

Pen Shooter! is rated higher. Pen Shooter! averages 5.0 out of 5 from 2 ratings, while Piston Stack Run averages 4.5 from 12 ratings.

### Do Pen Shooter! or Piston Stack Run have ads?

Both Pen Shooter! and Piston Stack Run show ads.

### Which is updated more often, Pen Shooter! or Piston Stack Run?

Pen Shooter! ships an update every 2 days, and Piston Stack Run every 10 days. Most recently, Pen Shooter! was updated on September 17, 2026 and Piston Stack Run on September 15, 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.*