# C Reference vs Language Reference for Xojo

The clearest difference is price: Language Reference for Xojo at Free against C Reference's $0.99. Language Reference for Xojo also leads on rating (4.8 vs 2.0) and review sentiment (88% vs 55%). On ads, in-app purchases and device support there is nothing between them.

Language Reference for Xojo is free to download; C Reference costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Language Reference for Xojo holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Language Reference for Xojo has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 55% of C Reference's written reviews are positive against 88% of Language Reference for Xojo's.

C Reference ships an update every 24 months, Language Reference for Xojo every 3 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | C Reference | Language Reference for Xojo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/c-reference/id318595873/reviews) | **[4.8 (18 ratings)](https://appshunter.io/ios/app/language-reference-for-xojo/id1484982467/reviews)** |
| Number of ratings | 1 | **18** |
| Positive reviews | 55.2% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 46 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Wallace](https://appshunter.io/developer/318595876) | [Jeremie Leroy](https://appshunter.io/developer/1156304176) |

## What reviewers say

### C Reference

[App page](https://appshunter.io/ios/app/c-reference/id318595873)

A comprehensive offline reference for the C programming language. It serves as a quick guide for experienced programmers and a learning tool for students, covering functions, data types, and control structures with syntax, descriptions, and code examples.

**Highlights:** Offline C programming reference, Categorized C functions, Data types and control structures, Syntax, description, and examples, Sample code for each detail sheet, No internet connection required

**In-app purchases:** none


### Language Reference for Xojo

[App page](https://appshunter.io/ios/app/language-reference-for-xojo/id1484982467)

Access comprehensive Xojo language documentation offline on your iPhone and iPad. This app provides instant access to the full language reference, ideal for developers who need quick lookups without an internet connection. Keep your primary development device free while you consult the documentation.

**Highlights:** Offline Xojo language documentation, Accessible on iPhone and iPad, No internet dependency, Ideal for secondary screen use, Updated for Xojo 2019r2.1

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is C Reference free?

C Reference costs $0.99, with no in-app purchases.

### Is Language Reference for Xojo free?

Language Reference for Xojo is free to download, with no in-app purchases.

### Which has better reviews, C Reference or Language Reference for Xojo?

Language Reference for Xojo is rated higher. C Reference averages 2.0 out of 5 from 1 ratings, while Language Reference for Xojo averages 4.8 from 18 ratings.

### Do C Reference or Language Reference for Xojo have ads?

Neither C Reference nor Language Reference for Xojo shows ads.

### Which is updated more often, C Reference or Language Reference for Xojo?

C Reference ships an update every 24 months, and Language Reference for Xojo every 3 months. Most recently, C Reference was updated on October 8, 2026 and Language Reference for Xojo on October 8, 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.*