# IT Playbook vs Power System Lab

The clearest difference is rating: IT Playbook at 5.0 against Power System Lab's 4.0. IT Playbook also leads on review sentiment (100% vs 67%). Power System Lab's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. IT Playbook sells 2 in-app purchases, starting at $16.00 per month. Power System Lab asks for nothing beyond the download.

IT Playbook holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 100% of IT Playbook's written reviews are positive against 67% of Power System Lab's.

IT Playbook ships an update every 4 days, Power System Lab every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IT Playbook | Power System Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/it-playbook/id6806353398/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/power-system-lab/id6814270423/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | **Freemium** | Subscription |
| Size | 25 MB | 256 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [SERGEY OKINCHUK](https://appshunter.io/developer/6803721389) | [Serhii Zai](https://appshunter.io/developer/6814270425) |

## What reviewers say

### IT Playbook

[App page](https://appshunter.io/ios/app/it-playbook/id6806353398)

Learn complex IT concepts through interactive lessons, narrated explanations, and hands-on simulations. Master topics from Python and Linux to Kubernetes and AI with engaging content and spaced repetition flashcards.

**Highlights:** Narrated lessons with synchronized text, Interactive diagrams and simulations, Hands-free voice-controlled flashcards, Spaced repetition for memorization, Offline course access, Daily learning streaks, Regular content updates

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Courses, Monthly | $16.00 | per month |
| All Courses, Yearly | $119.99 | per year |


### Power System Lab

[App page](https://appshunter.io/ios/app/power-system-lab/id6814270423)

This app offers a comprehensive learning experience for marine electrical systems through interactive simulations, practical tools, and engaging games. It allows users to explore virtual environments, perform diagnostics, and test their knowledge with various challenges. The app also includes useful calculation tools and customization options.

**Highlights:** Interactive marine electrical simulations, Virtual instruments and diagnostic tools, Four educational games, Electrical calculation tools, Customizable learning environment, Progress tracking and account sync

**In-app purchases:** none


## Frequently asked questions

### Is IT Playbook free?

IT Playbook is free to download, with in-app purchases available.

### Is Power System Lab free?

Power System Lab is free to download, with no in-app purchases.

### Which has better reviews, IT Playbook or Power System Lab?

IT Playbook is rated higher. IT Playbook averages 5.0 out of 5 from 4 ratings, while Power System Lab averages 4.0 from 3 ratings.

### Do IT Playbook or Power System Lab have ads?

Neither IT Playbook nor Power System Lab shows ads.

### Which is updated more often, IT Playbook or Power System Lab?

IT Playbook ships an update every 4 days, and Power System Lab every 3 days. Most recently, IT Playbook was updated on November 6, 2026 and Power System Lab on October 31, 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.*