Circool vs Blue Penguin Linux Prep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Circool
Access your school pass, manage personal information, and connect with educational institutions. This app simplifies school-related communication and access.
- Get Circool Pass
- Manage personal information
- Stay connected with schools
- Access school resources
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Use the Circool app to get your Circool Pass, manage your information, and stay connected with schools!
Blue Penguin Linux Prep
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Blue Penguin Linux Prep helps you prepare for the RHCSA 10 (EX200) exam with concise, exam-focused study material and lots of practice — all offline, with no account required. WHAT'S INSIDE • 18 topics: essential tools, users & groups, permissions & ACLs, software (DNF & Flatpak), systemd, storage & LVM, filesystems, NFS & autofs, networking, firewall & SELinux, SSH, scheduling, boot & recovery, processes & tuning, shell scripting and containers. • 90 multiple-choice questions with clear explanations — five per topic. • A timed 15-question mock exam that simulates exam pressure. • 10 hands-on practice labs with verification commands. • Personal notes and bookmarks for the built-in study notes. STAY ON TRACK • Progress tracking and best-score history for every topic. • A daily practice streak to keep your momentum. • Set your exam date for a live countdown. • Optional reminders: twice-daily practice questions plus an exam countdown with encouragement. Everything is stored locally on your device. No sign-up, no ads, no data collection. Red Hat, RHCSA and Red Hat Enterprise Linux are trademarks or registered trademarks of Red Hat, Inc. This app is independent and is not endorsed by or affiliated with Red Hat, LLC.
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Verdict
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 (#198 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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Circool | Blue Penguin Linux Prep |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #198 — better | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Circool, LLC | Leason Rykaart |
In-app purchases
Circool
No in-app purchases
Blue Penguin Linux Prep
No in-app purchases
Questions
Is Circool free?
Is Blue Penguin Linux Prep free?
Do Circool or Blue Penguin Linux Prep have ads?
Which is updated more often, Circool or Blue Penguin Linux Prep?
Other comparisons
