# Pi Pets Robotics Mobile App vs Learn Linux Command & Prompt

The clearest difference is in-app purchases: Pi Pets Robotics Mobile App at none against Learn Linux Command & Prompt's 2. Pi Pets Robotics Mobile App also leads on ads (none vs shown). Learn Linux Command & Prompt's advantage is update cadence (fortnightly vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Learn Linux Command & Prompt sells 2 in-app purchases, starting at $2.99 per month. Pi Pets Robotics Mobile App asks for nothing beyond the download.

Pi Pets Robotics Mobile App ships an update every 5 months, Learn Linux Command & Prompt fortnightly. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Pi Pets Robotics Mobile App | Learn Linux Command & Prompt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/learn-linux-command-and-prompt/id6754980978/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 77 MB | 114 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steven Feenstra](https://appshunter.io/developer/1612988081) | [APPS VED](https://appshunter.io/developer/1819743028) |

## What reviewers say

### Pi Pets Robotics Mobile App

[App page](https://appshunter.io/ios/app/pi-pets-robotics-mobile-app/id1612988079)

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

**In-app purchases:** none


### Learn Linux Command & Prompt

[App page](https://appshunter.io/ios/app/learn-linux-command-and-prompt/id6754980978)

Master Linux commands with this comprehensive guide. Learn system control, file management, networking, and even ethical hacking through clear explanations, real-world examples, and over 100 quiz questions. Suitable for beginners and experienced users alike.

**Highlights:** Master Linux command line, Clear explanations and examples, Over 100 quiz questions, Covers system control, file management, networking, Includes ethical hacking tools, Organized into categories

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is Pi Pets Robotics Mobile App free?

Pi Pets Robotics Mobile App is free to download, with no in-app purchases.

### Is Learn Linux Command & Prompt free?

Learn Linux Command & Prompt is free to download, with in-app purchases available.

### Do Pi Pets Robotics Mobile App or Learn Linux Command & Prompt have ads?

Learn Linux Command & Prompt shows ads; Pi Pets Robotics Mobile App does not.

### Which is updated more often, Pi Pets Robotics Mobile App or Learn Linux Command & Prompt?

Pi Pets Robotics Mobile App ships an update every 5 months, and Learn Linux Command & Prompt fortnightly. Most recently, Pi Pets Robotics Mobile App was updated on October 11, 2026 and Learn Linux Command & Prompt on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*