# Learn Shell Scripting Pro vs COMath Premium

The clearest difference is update cadence: COMath Premium at every 2 weeks against Learn Shell Scripting Pro's every 2 months. COMath Premium also leads on price ($0.99 vs $4.99) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Learn Shell Scripting Pro costs $4.99 and COMath Premium $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Shell Scripting Pro ships an update every 2 months, COMath Premium every 2 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Learn Shell Scripting Pro | COMath Premium |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 12 MB | 85 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Jianfeng Wu](https://appshunter.io/developer/1435210283) |

## What reviewers say

### Learn Shell Scripting Pro

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

**Features:** Vision Pro support

**In-app purchases:** none


### COMath Premium

[App page](https://appshunter.io/ios/app/comath-premium/id6752225245)

**Features:** macOS Compatibility, 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 COMath Premium free?

COMath Premium costs $0.99, with no in-app purchases.

### Do Learn Shell Scripting Pro or COMath Premium have ads?

Neither Learn Shell Scripting Pro nor COMath Premium shows ads.

### Which is updated more often, Learn Shell Scripting Pro or COMath Premium?

Learn Shell Scripting Pro ships an update every 2 months, and COMath Premium every 2 weeks. Most recently, Learn Shell Scripting Pro was updated on October 25, 2026 and COMath Premium on October 28, 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.*