# Algo Up vs ShellRef

The clearest difference is price: Algo Up at Free against ShellRef's $0.99. ShellRef's advantage is device support. On rating, ratings volume, in-app purchases and iOS requirement there is nothing between them.

Algo Up is free to download; ShellRef costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Algo Up against 5.0 for ShellRef. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Algo Up | ShellRef |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/algo-up-learn-programming/id6478835195/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/shellref/id6759814118/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 weeks |
| Monetization | **Free** | Paid |
| Size | 97 MB | 19 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Artem Bobrov](https://appshunter.io/developer/1621741819) | [Andrew Bacon](https://appshunter.io/developer/1817531814) |

## What reviewers say

### Algo Up

[App page](https://appshunter.io/ios/app/algo-up-learn-programming/id6478835195)

Learn programming and algorithms with visual blocks, Python, and JavaScript. Solve complex problems with an intuitive interface, offline testing, and a customizable code editor. Access extensive documentation and a built-in tutorial to master coding.

**Highlights:** Visual programming interface, Python and JavaScript support, Offline evaluation and testing, Customizable code editor, Extensive documentation and hints, Built-in tutorial, Code playground for experimentation

**In-app purchases:** none


### ShellRef

[App page](https://appshunter.io/ios/app/shellref/id6759814118)

This app provides an offline reference for Bash, Zsh, and terminal editors, mimicking a retro technical manual. It's ideal for quickly looking up commands, syntax, and scripting practices without needing an internet connection. Features include search, bookmarks, and customizable display themes.

**Highlights:** Offline Bash and Zsh reference, Terminal editor guides (Nano, Vim, Emacs), Quick command lookup, Searchable content, Customizable themes, Adjustable text size, Bookmarks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Algo Up free?

Algo Up is free to download, with no in-app purchases.

### Is ShellRef free?

ShellRef costs $0.99, with no in-app purchases.

### Which has better reviews, Algo Up or ShellRef?

Algo Up and ShellRef are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

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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.*