Comparison

C/C++ Programming Compiler vs Or Simplex Step

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

Head to head
About

C/C++ Programming Compiler

Write and execute C/C++ code directly on your mobile device. This application supports the latest compilers and offers advanced editing features for learning and testing code snippets. It allows for easy file management and sharing.

Highlights
  • Compile and run C/C++ programs
  • View program output and errors
  • Select C++ compiler standards (C++98 to C++23)
  • Multithreading support
  • Custom keyboard for special characters
  • Advanced source code editor with syntax highlighting
  • File management and sharing (AirDrop, iCloud)
Features
Read full description

Write C/C++ code directly on your iPhone, iPad and iPod Touch! This app supports the latest C/C++ compilers and is ideal for learning and testing code snippets! C++ is a general-purpose programming language created by Bjarne Stroustrup as an extension of the C programming language, or "C with Classes". The language has expanded significantly over time, and modern C++ has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation. Features: - Compile and run your program - View program output or detailed error - Choose between C++ compiler standards (ISO/IEC 14882) namely: C++98, C++03, C++11, C++14, C++17, C++20, C++23 - Multithreading support - Custom keyboard for easy input of frequently used characters - Optimized for connecting with external physical/bluetooth keyboard - Advanced source code editor with syntax highlighting, bracket completion and line numbers - Open, save, import and share C/C++ files. Supports File Sharing with iTunes Connect, AirDrop and iCloud. - Language reference Limitations: - Internet connection is required for compilation - Maximum program running time is 20s - One file can be run at a time - Some file system, network and graphics functions may be limited - This is a batch compiler; interactive programs are not supported. For example, if your program provides an input prompt, enter the input in the Input tab prior to compilation.

About

Or Simplex Step

Features
Read full description

OR Simplex Step-by-Step is a comprehensive Operations Research solver for students. Built and validated with professors at Kyiv Polytechnic University, it is used by students worldwide. EVERY METHOD YOU NEED - Simplex method: classical, Two-Phase, and Big-M - Integer programming: Branch and Bound - 2D graphical method: feasible region, objective line, and optimum - 3D polytope visualization for 3-variable linear programming: rotate and explore the feasible region - Sensitivity and post-optimal analysis: ranges, shadow prices, and RHS intervals - Transportation problem: North-West Corner, Least-Cost, and Vogel's Approximation (VAM) - MODI / U-V method: optimality test and refinement - Assignment problem: Hungarian algorithm - Job sequencing: 2, 3, and N machines using Johnson's algorithm WHY STUDENTS CHOOSE IT - Step-by-step explanations with every iteration described in plain language - Exact fraction arithmetic to avoid rounding errors - Dedicated math keyboard for fractions, signs, and decimals - Problem history to save, reopen, and edit past problems - 8 languages: English, Spanish, French, Portuguese, Russian, Ukrainian, Arabic, and Persian - No account required

Screenshots

C/C++ Programming Compiler4 screens
Or Simplex Step4 screens

Verdict

The call

The clearest difference is iOS requirement: C/C++ Programming Compiler at 12 against Or Simplex Step's 15.0. On price, update cadence, ads and in-app purchases 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

Both are free to download. C/C++ Programming Compiler sells 1 one-off in-app purchase and Or Simplex Step sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

C/C++ Programming Compiler ships an update every 3 weeks, Or Simplex Step every 10 days. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
C/C++ Programming Compiler versus Or Simplex Step: the parameters behind the verdict, then further details
ParameterC/C++ Programming CompilerOr Simplex Step
PriceFreeFree
Rating3.3 (118 ratings) — better—
Positive reviews49.7% of reviews—
Number of ratings118 — better—
Update frequencyEvery 3 weeksEvery 10 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12 — better15.0
Further details — not scored
Size25 MB45 MB
Age rating4+4+
DeveloperKetan AppaBohdan Bezpartochnyi

In-app purchases

1 purchases

C/C++ Programming Compiler

One-time1
  • Upgrade$2.99
1 purchases

Or Simplex Step

One-time1
  • OR Commented Pro$2.99

Questions

Is C/C++ Programming Compiler free?
C/C++ Programming Compiler is free to download, with in-app purchases available.
Is Or Simplex Step free?
Or Simplex Step is free to download, with in-app purchases available.
Do C/C++ Programming Compiler or Or Simplex Step have ads?
Both C/C++ Programming Compiler and Or Simplex Step show ads.
Which is updated more often, C/C++ Programming Compiler or Or Simplex Step?
C/C++ Programming Compiler ships an update every 3 weeks, and Or Simplex Step every 10 days. Most recently, C/C++ Programming Compiler was updated on November 2, 2026 and Or Simplex Step on October 24, 2026.

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