Comparison

Source Code Reader vs C Notebook

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Source Code Reader

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
Read full description

With the Source Code Reader app it's easy to view the source code of a site directly on your iPhone or iPad. You can do this in the app or directly in Safari with the built-in Safari extension. The app supports dark mode, adjustable font sizes, text search and multiple windows - all available in the Safari extension as well.

About

C Notebook

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
Read full description

This is a notebook that integrates code and note functions. At present, the notebook supports C language writing and local debugging and running, and a series of excellent debugging methods are specially designed for the notebook: for example, during the running process, you can see the value of the variable at any time, and you can also change it at runtime The value of the variable, and even you can display the change trend of the variable value as a graph, which allows you to use C language to quickly simulate the classic probability theory experiment, and witness the convergence process of the variable value with your own eyes, which is much clearer than using text to output the variable value . If you encounter a bug, you don't need to set any breakpoints, you can directly execute the code line by line at a slow speed, and combine real-time variable values and variable trend charts to analyze what is different from what you imagined. Of course, the code editor won't let you down either. Supports syntax highlighting, syntax hints and very smart auto-completion and code formatting. Although the code is embedded in the note, you can still complete a piece of code by abbreviating very easily. The notes support the Markdown format. If you are a Markdown expert, you should be able to edit beautiful layouts very easily, and if you are a novice, you can also write notes elegantly. iPad, iPhone and Mac can be seamlessly connected through the cloud synchronization function, and you can view, edit and run your code anywhere. Of course, if you encounter any problems or any suggestions, please feel free to contact us. Our email is feedback@forgetive.org, welcome and adopt your opinions at any time! ------ In-App Subscription Information ------- C Notebook Premium (Auto-Renew Subscription) When purchasing a subscription, if you log in to the online account in the app, the subscription will be bound to the online account, and you can use the online function benefits of the subscription. If you did not log in to the in-app account when purchasing, you can only use the local functions of the subscription benefits. You can register or log in to the in-app account at any time during the subscription validity period, and the App will ask you whether to bind the subscription to the account. Payment will be debited from your iTunes account immediately after confirmation of purchase. Subscriptions may be managed and auto-renewal may be turned off by going to your Account Settings after purchase. If you start a free trial, you need to cancel the subscription at least 24 hours before the end of the trial period, otherwise the system will automatically charge you after the trial period ends. Your subscription will automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period. After canceling your subscription, your subscription remains active until the end of the current subscription period. No refunds will be given for current subscriptions when auto-renew is disabled. If a free trial is offered, any unused portion of the free trial period will be forfeited when you purchase a subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Source Code Reader4 screens
C Notebook4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 4 level
Source Code Reader versus C Notebook: the parameters behind the verdict, then further details
ParameterSource Code ReaderC Notebook
Price$1.99$0.99 — better
Rating5.0 (5 ratings)5.0 (1 ratings)
Positive reviews63.2% of reviews75.0% of reviews — better
Number of ratings5 — better1
Update frequencyEvery 5 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#73 — better#200
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac, Vision Pro — better
Requires iOS14.014.0
Further details — not scored
Size24 MB32 MB
Age rating4+4+
DeveloperAlexander Eichhorn铖 邢

Customer experience

Source Code Reader

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews19 reviews
Positive63.2%
Neutral5.3%
Negative31.6%

C Notebook

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews16 reviews
Positive75.0%
Neutral6.3%
Negative18.8%

In-app purchases

None

Source Code Reader

No in-app purchases

1 purchases

C Notebook

Subscriptions1
  • C Notebook Premium3 Days trial$0.991 Month

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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