# Source Code Reader vs C Notebook

The clearest difference is in-app purchases: Source Code Reader at none against C Notebook's 1. Source Code Reader also leads on ratings volume (5 vs 1). C Notebook's advantage is update cadence (fortnightly vs every 5 months) and review sentiment (75% vs 63%). On rating, ads, chart position and iOS requirement there is nothing between them.

Source Code Reader costs $1.99 and C Notebook $0.99 up front. C Notebook sells 1 in-app purchase, starting at $0.99 per month. Source Code Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Source Code Reader against 5.0 for C Notebook. That said, the two scores are not equally well evidenced: Source Code Reader has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 63% of Source Code Reader's written reviews are positive against 75% of C Notebook's.

Source Code Reader ships an update every 5 months, C Notebook fortnightly. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Source Code Reader | C Notebook |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/source-code-reader/id511639148/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/c-notebook/id1621919001/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 63.2% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#73** | #200 |
| Size | 24 MB | 32 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Eichhorn](https://appshunter.io/developer/507733211) | [铖 邢](https://appshunter.io/developer/1497880786) |

## What reviewers say

### Source Code Reader

[App page](https://appshunter.io/ios/app/source-code-reader/id511639148)

**Currently charting:** #73 Top Paid · Developer Tools (US App Store)

Easily view website source code directly on your iPhone or iPad. Access this functionality within the app or through a built-in Safari extension. Features include dark mode, adjustable font sizes, and text search.

**Highlights:** View source code in-app, Safari extension for direct viewing, Dark mode support, Adjustable font sizes, Text search functionality, Multiple window support

**Features:** Vision Pro support

**In-app purchases:** none


### C Notebook

[App page](https://appshunter.io/ios/app/c-notebook/id1621919001)

**Currently charting:** #200 Top Paid · Developer Tools (US App Store)

This application allows users to write, debug, and run C code directly within a note-taking interface. It offers advanced debugging tools like real-time variable monitoring, trend charting, and line-by-line execution. Notes support Markdown formatting, and cloud synchronization enables seamless access across multiple devices.

**Highlights:** C language coding and local debugging, Real-time variable value monitoring and modification, Variable trend charts, Line-by-line code execution, Syntax highlighting and auto-completion, Markdown note support, Cloud synchronization across devices

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C Notebook Premium | $0.99 | per month |


## Frequently asked questions

### Is Source Code Reader free?

Source Code Reader costs $1.99, with no in-app purchases.

### Is C Notebook free?

C Notebook costs $0.99, and also offers in-app purchases.

### Which has better reviews, Source Code Reader or C Notebook?

Source Code Reader and C Notebook are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Source Code Reader or C Notebook have ads?

Neither Source Code Reader nor C Notebook shows ads.

### Which is updated more often, Source Code Reader or C Notebook?

Source Code Reader ships an update every 5 months, and C Notebook fortnightly. Most recently, Source Code Reader was updated on September 17, 2026 and C Notebook on September 9, 2026.

### Which is more popular, Source Code Reader or C Notebook?

Source Code Reader currently peaks at #73 in the App Store charts, and C Notebook at #200. Chart position reflects recent download velocity rather than total install base.

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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.*