# C/C++ Programming Compiler vs Otto AR

The clearest difference is in-app purchases: Otto AR at none against C/C++ Programming Compiler's 1. Otto AR also leads on ads (none vs shown). C/C++ Programming Compiler's advantage is device support (3 vs 1) and iOS requirement (12 vs 17.0). On price and update cadence there is nothing between them.

Both are free to download. C/C++ Programming Compiler sells 1 one-off in-app purchase. Otto AR asks for nothing beyond the download.

C/C++ Programming Compiler ships an update every 3 weeks, Otto AR every 2 weeks. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | C/C++ Programming Compiler | Otto AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (118 ratings)](https://appshunter.io/ios/app/cc-plus-plus-programming-compiler/id1160868782/reviews)** | — |
| Number of ratings | **118** | — |
| Positive reviews | 49.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 418 MB |
| Requires iOS | **12** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ketan Appa](https://appshunter.io/developer/576435759) | [KSURSF](https://appshunter.io/developer/1867237029) |

## What reviewers say

### C/C++ Programming Compiler

[App page](https://appshunter.io/ios/app/cc-plus-plus-programming-compiler/id1160868782)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $2.99 | one-time |


### Otto AR

[App page](https://appshunter.io/ios/app/otto-ar/id6761494762)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is C/C++ Programming Compiler free?

C/C++ Programming Compiler is free to download, with in-app purchases available.

### Is Otto AR free?

Otto AR is free to download, with no in-app purchases.

### Do C/C++ Programming Compiler or Otto AR have ads?

C/C++ Programming Compiler shows ads; Otto AR does not.

### Which is updated more often, C/C++ Programming Compiler or Otto AR?

C/C++ Programming Compiler ships an update every 3 weeks, and Otto AR every 2 weeks. Most recently, C/C++ Programming Compiler was updated on November 13, 2026 and Otto AR on October 31, 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.*