# VI Reference vs Command Line Fu

The clearest difference is review sentiment: Command Line Fu at 100% against VI Reference's 50%. Command Line Fu also leads on rating (5.0 vs 1.0). VI Reference's advantage is price (Free vs $1.99) and update cadence (every 53 months vs every 157 months). On ads, in-app purchases and device support there is nothing between them.

VI Reference is free to download; Command Line Fu costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Command Line Fu holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: VI Reference has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of VI Reference's written reviews are positive against 100% of Command Line Fu's.

VI Reference ships an update every 53 months, Command Line Fu every 157 months. The most recent releases landed on September 21, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | VI Reference | Command Line Fu |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.0 (6 ratings)](https://appshunter.io/ios/app/vi-reference/id293621569/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/command-line-fu/id448917730/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 53 months** | Every 157 months |
| Monetization | **Free** | Paid |
| Size | 14 MB | 13 MB |
| Requires iOS | **10.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Schorer](https://appshunter.io/developer/290579382) | [Swooshable](https://appshunter.io/developer/414320504) |

## What reviewers say

### VI Reference

[App page](https://appshunter.io/ios/app/vi-reference/id293621569)

A comprehensive guide for users of the Unix VI editor. It details essential functions like searching, editing, and cursor movement, including advanced commands.

**Highlights:** VI editor commands, Searching functionality, Editing operations, Cursor movement, Exotic commands

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

**In-app purchases:** none


### Command Line Fu

[App page](https://appshunter.io/ios/app/command-line-fu/id448917730)

Access a vast collection of command-line snippets shared by users. Browse, search, and expand your knowledge of powerful command-line tools and techniques. This app serves as a mobile gateway to a popular online resource for CLI enthusiasts.

**Highlights:** Browse command-line snippets, Search command-line archive, View most popular snippets, View most recent snippets, Access commandlinefu.com API

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

**In-app purchases:** none


## Frequently asked questions

### Is VI Reference free?

VI Reference is free to download, with no in-app purchases.

### Is Command Line Fu free?

Command Line Fu costs $1.99, with no in-app purchases.

### Which has better reviews, VI Reference or Command Line Fu?

Command Line Fu is rated higher. VI Reference averages 1.0 out of 5 from 6 ratings, while Command Line Fu averages 5.0 from 1 ratings.

### Do VI Reference or Command Line Fu have ads?

Neither VI Reference nor Command Line Fu shows ads.

### Which is updated more often, VI Reference or Command Line Fu?

VI Reference ships an update every 53 months, and Command Line Fu every 157 months. Most recently, VI Reference was updated on September 21, 2026 and Command Line Fu on October 3, 2026.

---

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