# AVR Tutorial Pro vs C Compiler(Pro)

The clearest difference is in-app purchases: C Compiler(Pro) at none against AVR Tutorial Pro's 10. C Compiler(Pro) also leads on update cadence (every 9 days vs every 4 months). AVR Tutorial Pro's advantage is price ($1.99 vs $2.99) and iOS requirement (9.0 vs 13.0). On ads and device support there is nothing between them.

AVR Tutorial Pro costs $1.99 and C Compiler(Pro) $2.99 up front. AVR Tutorial Pro sells 10 one-off in-app purchases. C Compiler(Pro) asks for nothing beyond the download.

AVR Tutorial Pro ships an update every 4 months, C Compiler(Pro) every 9 days. The most recent releases landed on August 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AVR Tutorial Pro | C Compiler(Pro) |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/c-compilerpro/id1669071930/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | — | Paid |
| Size | 33 MB | 62 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### AVR Tutorial Pro

[App page](https://appshunter.io/ios/app/avr-tutorial-pro/id1066643368)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SPI OLED | $1.99 | one-time |
| Wifi home automation | $1.99 | one-time |
| I2C OLED | $1.99 | one-time |
| 2.2" TFT | $1.99 | one-time |
| Lora home automation | $1.99 | one-time |
| gps project | $2.99 | one-time |
| Home automation using Siri | $2.99 | one-time |
| Home automation using Google | $2.99 | one-time |
| BT home automation | $4.99 | one-time |
| BLE home automation | $4.99 | one-time |


### C Compiler(Pro)

[App page](https://appshunter.io/ios/app/c-compilerpro/id1669071930)

This app offers a powerful coding environment for C programming, featuring syntax highlighting, efficient code layout, and essential editing tools. It also includes a unique camera-based code scanning feature and integrated learning resources.

**Highlights:** Syntax highlighting, Fast code layout with symbols, Customizable tools layout, Intuitive navigation layout, Scan code with camera, Tutorials and news section, Bookmarks and project management

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

**In-app purchases:** none


## Frequently asked questions

### Is AVR Tutorial Pro free?

AVR Tutorial Pro costs $1.99, and also offers in-app purchases.

### Is C Compiler(Pro) free?

C Compiler(Pro) costs $2.99, with no in-app purchases.

### Do AVR Tutorial Pro or C Compiler(Pro) have ads?

Neither AVR Tutorial Pro nor C Compiler(Pro) shows ads.

### Which is updated more often, AVR Tutorial Pro or C Compiler(Pro)?

AVR Tutorial Pro ships an update every 4 months, and C Compiler(Pro) every 9 days. Most recently, AVR Tutorial Pro was updated on August 22, 2026 and C Compiler(Pro) on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*