# Pen Stacks vs Fling Frontier

The clearest difference is in-app purchases: Pen Stacks at none against Fling Frontier's 8. Fling Frontier's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fling Frontier sells 8 one-off in-app purchases. Pen Stacks asks for nothing beyond the download.

## The numbers

| Metric | Pen Stacks | Fling Frontier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (23 ratings)](https://appshunter.io/ios/app/pen-stacks/id6751919982/reviews)** | — |
| Number of ratings | **23** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 9 days |
| Monetization | Ad-supported | — |
| Size | 156 MB | 103 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kaliba Games & Technologies Inc.](https://appshunter.io/developer/1549023239) | [Shahar Rosenfeld](https://appshunter.io/developer/6787863190) |

## What reviewers say

### Pen Stacks

[App page](https://appshunter.io/ios/app/pen-stacks/id6751919982)

Match same-colored pencils and stack them to guide them to the sharpener. Navigate through levels filled with blockers. A colorful and engaging puzzle experience awaits.

**Highlights:** Match same-colored pencils, Stack pencils, Guide pencils to sharpener, Overcome blockers, Colorful puzzle gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Fling Frontier

[App page](https://appshunter.io/ios/app/fling-frontier/id6793648400)

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Gems | $0.99 | one-time |
| Shadow Ninja | $1.99 | one-time |
| Mecha | $2.99 | one-time |
| 300 Gems | $3.99 | one-time |
| Blademaster | $3.99 | one-time |
| Golden King | $4.99 | one-time |
| Coin Doubler | $4.99 | one-time |
| 1000 Gems | $9.99 | one-time |


## Frequently asked questions

### Is Pen Stacks free?

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

### Is Fling Frontier free?

Fling Frontier is free to download, with in-app purchases available.

### Do Pen Stacks or Fling Frontier have ads?

Pen Stacks shows ads; Fling Frontier does not.

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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.*