# Circool vs Blue Penguin Linux Prep

The clearest difference is price: Circool at Free against Blue Penguin Linux Prep's $1.99. Circool also leads on update cadence (every 2 days vs fortnightly) and chart position (#166 vs unranked). Blue Penguin Linux Prep's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Circool is free to download; Blue Penguin Linux Prep costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Circool ships an update every 2 days, Blue Penguin Linux Prep fortnightly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Circool | Blue Penguin Linux Prep |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/circool/id6783472291/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free | — |
| Best chart rank | **#166** | — |
| Size | 8 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Circool, LLC](https://appshunter.io/developer/6783472293) | [Leason Rykaart](https://appshunter.io/developer/1542598308) |

## What reviewers say

### Circool

[App page](https://appshunter.io/ios/app/circool/id6783472291)

**Currently charting:** #166 Top Free · Education (US App Store)

Access your school pass, manage personal information, and connect with educational institutions. This app simplifies school-related communication and access.

**Highlights:** Get Circool Pass, Manage personal information, Stay connected with schools, Access school resources

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

**In-app purchases:** none


### Blue Penguin Linux Prep

[App page](https://appshunter.io/ios/app/blue-penguin-linux-prep/id6789564914)

**In-app purchases:** none


## Frequently asked questions

### Is Circool free?

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

### Is Blue Penguin Linux Prep free?

Blue Penguin Linux Prep costs $1.99, with no in-app purchases.

### Do Circool or Blue Penguin Linux Prep have ads?

Neither Circool nor Blue Penguin Linux Prep shows ads.

### Which is updated more often, Circool or Blue Penguin Linux Prep?

Circool ships an update every 2 days, and Blue Penguin Linux Prep fortnightly. Most recently, Circool was updated on October 14, 2026 and Blue Penguin Linux Prep on October 6, 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.*