Comparison

Objective C vs OpenGL ES Reference

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

Head to head
About

Objective C

Learn Objective C programming by writing and running code directly on your iPhone or iPad. Compile and execute your programs on a remote server, with results displayed instantly on your device. Ideal for experimenting with code snippets and mastering this powerful language.

Highlights
  • Write Objective C code
  • Compile and run programs
  • Remote execution
  • View output on device
  • Learn programming language
Features
Read full description

Write and run real Objective-C code on your iPhone or iPad. Type a program, tap Run, and it is compiled with GCC and the GNUstep Foundation framework on a secure server. The output appears in seconds. It's a great way to learn Objective-C, try out an idea, or practise for an interview or exam, wherever you are. FEATURES • Code editor with Objective-C syntax highlighting, line numbers, bracket matching, undo and redo • Extra keys above the keyboard for [ ] { } ( ) @ ; # and other symbols • Clear compiler errors and warnings. Tap one to jump straight to the line • Give your program input to read with scanf or fgets • Save, rename, duplicate and share your programs • 14 example programs: classes, properties, strings, arrays, dictionaries, inheritance, protocols, categories, exceptions, memory management and more • Editor and output side by side on iPad • Dark Mode WHAT YOU CAN USE Foundation classes such as NSString, NSArray, NSDictionary, NSNumber and NSException, plus the C standard library. Memory is managed manually with retain, release and autorelease, as in classic Objective-C. UIKit and ARC are not available. Your programs are stored on your device. Code is sent to the server only to compile and run it, and is not kept.

About

OpenGL ES Reference

This app provides offline access to detailed descriptions of all OpenGL ES commands and functions from the official Khronos Group website. It's designed to help developers easily reference graphics API information, even for beginners.

Highlights
  • Complete OpenGL ES 3.2 command descriptions
  • Information from official Khronos Group website
  • Offline access
  • Systematic function listing
  • Search bar and index
  • Landscape mode support
Features
Read full description

This application includes complete descriptions of all OpenGL ES commands and functions contained in the OpenGL ES 3.2 API and Shading Language Specifications. All the information is provided from the official Kronos Group Website. It helps to work easily. OpenGL ES is the industry's most widely used, supported and best documented 2D/3D graphics API. Purpose is very much clear from this document that developers need to refer functions, and obviously there are hundreds of functions, and it is really difficult to remember all of them. This application is developed to make things easy. Features: - Functions are listed in a very systematic manner. - All the information in this application is provided from the official Khronos Group website. So that it becomes easy to understand. - Search bar makes it easier to work with. - Search index list makes it easier to go through the sections. - Landscape mode is supported. - No Internet connection is needed. - OpenGL ES Notes for free! - It can also be used for beginners to learn the functions. - Information provided is used from the official website of Khronos Group. - No need to access internet for referring. Purpose is very much clear from this document that developers need to refer functions, and obviously there are hundreds of functions, and it is really difficult to remember all of them. OpenGL ES Reference application is developed to make things easy. OpenGL ES Reference is of course a non profit application. OpenGL ES Reference is free of cost. Purpose of this application is to provide knowledge about OpenGL ES for free. And also to make things easy. Because the content is online, this application gives the details offline.

Screenshots

Objective C4 screens
OpenGL ES Reference2 screens

Verdict

The call

The clearest difference is review sentiment: OpenGL ES Reference at 67% against Objective C's 13%. OpenGL ES Reference also leads on price (Free vs $0.99) and iOS requirement (8.1 vs 16.4). On ads, in-app purchases and device support 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

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

Scorecard4 real differences · 6 level
Objective C versus OpenGL ES Reference: the parameters behind the verdict, then further details
ParameterObjective COpenGL ES Reference
Price$0.99Free — better
Rating—3.0 (3 ratings) — better
Positive reviews13.0% of reviews66.7% of reviews — better
Number of ratings—3 — better
Update frequencyEvery 12 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.48.1 — better
Further details — not scored
Size36 MB22 MB
Age rating4+4+
DeveloperInfinite Loop Development LtdSaumya Lahera

Customer experience

Objective C

Written reviews23 reviews
Positive13.0%
Neutral4.3%
Negative82.6%

OpenGL ES Reference

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Objective C

No in-app purchases

None

OpenGL ES Reference

No in-app purchases

Questions

Is Objective C free?
Objective C costs $0.99, with no in-app purchases.
Is OpenGL ES Reference free?
OpenGL ES Reference is free to download, with no in-app purchases.
Do Objective C or OpenGL ES Reference have ads?
Neither Objective C nor OpenGL ES Reference shows ads.

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