Commands for Linux Terminal vs Penguin Checker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Commands for Linux Terminal
Access a comprehensive offline manual of Linux commands directly on your device. Quickly search and learn how to use various commands with detailed explanations in Markdown format. Ideal for developers and system administrators needing on-the-go reference.
- Offline Linux command database
- Detailed command explanations
- Markdown formatted content
- Easy search functionality
- Quick command querying
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A Complete Set of Linux commands in your pocket, with Markdown-formatted command references for quick lookup and offline use. Easily search commands and learn how to use them — anytime, anywhere. Bonus: monitor your servers in real time, track CPU, memory, disk, load and Docker containers over SSH, all from one app.
Penguin Checker
This in-house tool offers advanced device scanning for professionals. It provides real-time performance metrics and data analysis for internal teams, enabling efficient troubleshooting and insights.
- Advanced device scanning
- Real-time performance metrics
- Data analysis
- Troubleshooting tools
- User-friendly interface
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Discover the power of advanced device scanning with our in-house app, specifically designed for internal use by professionals. Whether you're monitoring performance metrics, analyzing data, or troubleshooting devices, this app delivers precision and efficiency for internal teams. Key Features: Device Scanning: Analyze a wide range of device metrics in real-time. User-friendly Interface: Intuitive design for easy navigation, suitable for internal team members. Built for engineers, QC/QA teams, and tech support who need accurate, efficient device insights within the organization.
Screenshots
Verdict
The clearest difference is in-app purchases: Penguin Checker at none against Commands for Linux Terminal's 1. Penguin Checker also leads on ads (none vs shown) and rating (5.0 vs 4.5). Commands for Linux Terminal's advantage is ratings volume (220 vs 1). On price 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
Both are free to download. Commands for Linux Terminal sells 1 one-off in-app purchase. Penguin Checker asks for nothing beyond the download.
Penguin Checker holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Commands for Linux Terminal has 220 ratings behind it against 1, so its average is the more settled of the two.
Commands for Linux Terminal ships an update every 9 days, Penguin Checker every 2 days. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.
| Parameter | Commands for Linux Terminal | Penguin Checker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (220 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 86.4% of reviews | — |
| Number of ratings | 220 — better | 1 |
| Update frequency | Every 9 days | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 26.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 51 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | 雷 戴 | Wai-Ming Chan |
Customer experience
Commands for Linux Terminal
Penguin Checker
In-app purchases
Commands for Linux Terminal
- Get Pro Version$0.99
Penguin Checker
No in-app purchases
Questions
Is Commands for Linux Terminal free?
Is Penguin Checker free?
Which has better reviews, Commands for Linux Terminal or Penguin Checker?
Do Commands for Linux Terminal or Penguin Checker have ads?
Which is updated more often, Commands for Linux Terminal or Penguin Checker?
Other comparisons
