# Learn Shell Scripting Pro vs LAI Prep App

The clearest difference is price: LAI Prep App at Free against Learn Shell Scripting Pro's $4.99. LAI Prep App also leads on update cadence (every 3 weeks vs every 3 months). Learn Shell Scripting Pro's advantage is chart position (#165 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

LAI Prep App is free to download; Learn Shell Scripting Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Shell Scripting Pro ships an update every 3 months, LAI Prep App every 3 weeks. The most recent releases landed on September 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Learn Shell Scripting Pro | LAI Prep App |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Best chart rank | **#165** | — |
| Size | 12 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Learning Associates International b.v.](https://appshunter.io/developer/1880482733) |

## What reviewers say

### Learn Shell Scripting Pro

[App page](https://appshunter.io/ios/app/learn-shell-scripting-pro/id6747474775)

**Currently charting:** #165 Top Paid · Education (US App Store)

**Features:** Vision Pro support

**In-app purchases:** none


### LAI Prep App

[App page](https://appshunter.io/ios/app/lai-prep-app/id6759753923)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Learn Shell Scripting Pro free?

Learn Shell Scripting Pro costs $4.99, with no in-app purchases.

### Is LAI Prep App free?

LAI Prep App is free to download, with no in-app purchases.

### Do Learn Shell Scripting Pro or LAI Prep App have ads?

Neither Learn Shell Scripting Pro nor LAI Prep App shows ads.

### Which is updated more often, Learn Shell Scripting Pro or LAI Prep App?

Learn Shell Scripting Pro ships an update every 3 months, and LAI Prep App every 3 weeks. Most recently, Learn Shell Scripting Pro was updated on September 24, 2026 and LAI Prep App on September 10, 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.*