# Learn C Programming vs 轻连PLC

The clearest difference is in-app purchases: 轻连PLC at none against Learn C Programming's 1. 轻连PLC also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Learn C Programming sells 1 one-off in-app purchase. 轻连PLC asks for nothing beyond the download.

Learn C Programming ships an update every 3 months, 轻连PLC every 3 weeks. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Learn C Programming | 轻连PLC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 19 MB | 35 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文利 罗](https://appshunter.io/developer/1743701483) | [北京麦乐程物联技术有限公司](https://appshunter.io/developer/1780034322) |

## What reviewers say

### Learn C Programming

[App page](https://appshunter.io/ios/app/learn-c-programming-offline/id6505055441)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C Language Assistant Unlock | $1.99 | one-time |


### 轻连PLC

[App page](https://appshunter.io/ios/app/plc/id6741800023)

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn C Programming free?

Learn C Programming is free to download, with in-app purchases available.

### Is 轻连PLC free?

轻连PLC is free to download, with no in-app purchases.

### Do Learn C Programming or 轻连PLC have ads?

Neither Learn C Programming nor 轻连PLC shows ads.

### Which is updated more often, Learn C Programming or 轻连PLC?

Learn C Programming ships an update every 3 months, and 轻连PLC every 3 weeks. Most recently, Learn C Programming was updated on September 15, 2026 and 轻连PLC on September 9, 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.*