# C/C++ vs CMI COYN

The clearest difference is in-app purchases: CMI COYN at none against C/C++'s 7. CMI COYN also leads on update cadence (fortnightly vs every 5 months). C/C++'s advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. C/C++ sells 7 one-off in-app purchases. CMI COYN asks for nothing beyond the download.

C/C++ ships an update every 5 months, CMI COYN fortnightly. The most recent releases landed on September 22, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | C/C++ | CMI COYN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (342 ratings)](https://appshunter.io/ios/app/cc-plus-plus-programming-language/id1016322367/reviews)** | — |
| Number of ratings | **342** | — |
| Positive reviews | 86.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 85 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [Contingency Management Innovations, LLC.](https://appshunter.io/developer/1735573343) |

## What reviewers say

### C/C++

[App page](https://appshunter.io/ios/app/cc-plus-plus-programming-language/id1016322367)

This app is a comprehensive learning tool for C/C++ programming. It offers offline compilation, code editing features, Git integration, and file management for efficient development and learning.

**Highlights:** Offline compilation and execution, Code templates and autocompletion, Git fetching from GitHub/Gitee, LAN/Bluetooth file transfer, Built-in browser for learning materials, Multi-file search and formatting, Customizable interface and themes

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Autocomplete | $0.99 | one-time |
| Password Service | $0.99 | one-time |
| Encryption Compression | $0.99 | one-time |
| Simple Vedio | $0.99 | one-time |
| Text Search | $0.99 | one-time |
| To remove ads | $0.99 | one-time |
| File Transfer | $1.99 | one-time |

**What reviewers like**

- 👍 Great C++ compiler
- 👍 Convenient and easy to use
- 👍 Helpful for learning and practicing C++
- 👍 Useful for quick coding on the go
- 👍 Good interface and functionality

**What reviewers complain about**

- 💰 Paid features and in-app purchases
- 🐛 Occasional crashes and bugs
- 🤔 Cluttered or confusing UI design
- 📱 Limited functionality compared to desktop IDEs
- 👀 Small text and font issues on smaller devices

**Reported bugs**

- Inconsistent behavior with control flow statements (e.g., switch, if)
- Random crashes and loss of unsaved code
- Issues with keyboard input and integration
- Compatibility problems on older or smaller devices

**Requested features**

- Add support for importing/exporting code files
- Improve search and replace functionality
- Implement better file management and organization
- Provide more compiler settings and customization options
- Add support for additional programming languages


### CMI COYN

[App page](https://appshunter.io/ios/app/cmi-coyn/id6760906500)

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

**In-app purchases:** none


## Frequently asked questions

### Is C/C++ free?

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

### Is CMI COYN free?

CMI COYN is free to download, with no in-app purchases.

### Do C/C++ or CMI COYN have ads?

Neither C/C++ nor CMI COYN shows ads.

### Which is updated more often, C/C++ or CMI COYN?

C/C++ ships an update every 5 months, and CMI COYN fortnightly. Most recently, C/C++ was updated on September 22, 2026 and CMI COYN on September 12, 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.*