# C# Compiler vs Thầy Trò

The clearest difference is in-app purchases: C# Compiler at none against Thầy Trò's 2. C# Compiler also leads on iOS requirement (12.0 vs 18.6). Thầy Trò's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Thầy Trò sells 2 in-app purchases, starting at $1.99 per month. C# Compiler asks for nothing beyond the download.

C# Compiler ships an update every 4 months, Thầy Trò every 2 weeks. The most recent releases landed on June 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | C# Compiler | Thầy Trò |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/c-compiler-run-cs-code/id1546362096/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 28 MB | 25 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OnePercent](https://appshunter.io/developer/1536020418) | [MI PHAM VAN](https://appshunter.io/developer/1832641861) |

## What reviewers say

### C# Compiler

[App page](https://appshunter.io/ios/app/c-compiler-run-cs-code/id1546362096)

This application serves as an advanced mobile IDE for compiling and running C# programs. It features a code editor with syntax highlighting, exercise questions, and pre-written DSA programs to aid learning.

**Highlights:** Compile and run C# programs, Code editor with syntax highlighting, Exercise questions for learning, Includes general DSA programs with code, Programming and computer science fun facts

**Features:** macOS Compatibility

**In-app purchases:** none


### Thầy Trò

[App page](https://appshunter.io/ios/app/thay-tro/id6761396570)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Plan | $1.99 | per month |
| 1-Year Plan | $14.99 | per year |


## Frequently asked questions

### Is C# Compiler free?

C# Compiler is free to download, with no in-app purchases.

### Is Thầy Trò free?

Thầy Trò is free to download, with in-app purchases available.

### Do C# Compiler or Thầy Trò have ads?

Neither C# Compiler nor Thầy Trò shows ads.

### Which is updated more often, C# Compiler or Thầy Trò?

C# Compiler ships an update every 4 months, and Thầy Trò every 2 weeks. Most recently, C# Compiler was updated on June 10, 2026 and Thầy Trò on September 19, 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.*