# Loop Sort vs Pen Stacks

The clearest difference is in-app purchases: Pen Stacks at none against Loop Sort's 18. Pen Stacks also leads on iOS requirement (13.0 vs 15.0). Loop Sort's advantage is ratings volume (21K vs 21) and chart position (#42 vs unranked). On price, rating, ads and device support there is nothing between them.

Both are free to download. Loop Sort sells 18 one-off in-app purchases. Pen Stacks asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Loop Sort against 4.9 for Pen Stacks. That said, the two scores are not equally well evidenced: Loop Sort has 21K ratings behind it against 21, so its average is the more settled of the two.

## The numbers

| Metric | Loop Sort | Pen Stacks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (21K ratings)](https://appshunter.io/ios/app/loop-sort/id6751101794/reviews) | **[4.9 (21 ratings)](https://appshunter.io/ios/app/pen-stacks/id6751919982/reviews)** |
| Number of ratings | **21K** | 21 |
| Positive reviews | 48.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#42** | — |
| Size | 334 MB | 156 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Kaliba Games & Technologies Inc.](https://appshunter.io/developer/1549023239) |

## What reviewers say

### Loop Sort

[App page](https://appshunter.io/ios/app/loop-sort/id6751101794)

**Currently charting:** #42 Top Grossing · Puzzle, #68 Top Free · Puzzle, #101 Top Grossing · Games, #156 Top Free · Games (US App Store)

Engage in an addictive truck puzzle game where you tap to release cubes onto a conveyor. Match and sort them to clear lines and overcome challenging obstacles. Progress through levels with unique mechanics that test your sorting skills.

**Highlights:** Tap to release cubes, Automatic sorting on conveyor, Match and clear lines, Overcome tricky obstacles, Progress through levels

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack 1 | $0.99 | one-time |
| Gold Pack 1 | $1.99 | one-time |
| Tiny Coin Pack | $1.99 | one-time |
| Piggy Bank | $1.99 | one-time |
| Pack 2 | $1.99 | one-time |
| Pack 3 | $2.99 | one-time |
| Coin Rush | $2.99 | one-time |
| Pack 4 | $3.99 | one-time |
| Starter Bundle | $4.99 | one-time |
| Fail Offer | $4.99 | one-time |
| Small Bundle | $4.99 | one-time |
| Small Bundle | $5.99 | one-time |
| Paris Offer | $7.99 | one-time |
| Small Coin Pack | $7.99 | one-time |
| No Ads Pack | $9.99 | one-time |
| Medium Bundle | $12.99 | one-time |
| Medium Coin Pack | $14.99 | one-time |
| Big Bundle | $26.99 | one-time |


### 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


## Frequently asked questions

### Is Loop Sort free?

Loop Sort is free to download, with in-app purchases available.

### Is Pen Stacks free?

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

### Which has better reviews, Loop Sort or Pen Stacks?

Pen Stacks is rated higher. Loop Sort averages 4.8 out of 5 from 21K ratings, while Pen Stacks averages 4.9 from 21 ratings.

### Do Loop Sort or Pen Stacks have ads?

Both Loop Sort and Pen Stacks show ads.

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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.*