# C# Champ vs Qiita/Zennトレンドリーダー

The clearest difference is in-app purchases: Qiita/Zennトレンドリーダー at none against C# Champ's 1. Qiita/Zennトレンドリーダー also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. C# Champ sells 1 one-off in-app purchase. Qiita/Zennトレンドリーダー asks for nothing beyond the download.

## The numbers

| Metric | C# Champ | Qiita/Zennトレンドリーダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 16 MB | 28 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yoan Enchev](https://appshunter.io/developer/1717245436) | [TAKUMI YOKOI](https://appshunter.io/developer/1837642229) |

## What reviewers say

### C# Champ

[App page](https://appshunter.io/ios/app/c-champ/id6472594584)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C# Champ Premium | $12.99 | one-time |


### Qiita/Zennトレンドリーダー

[App page](https://appshunter.io/ios/app/qiitazenn/id6764842850)

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

**In-app purchases:** none


## Frequently asked questions

### Is C# Champ free?

C# Champ is free to download, with in-app purchases available.

### Is Qiita/Zennトレンドリーダー free?

Qiita/Zennトレンドリーダー is free to download, with no in-app purchases.

### Do C# Champ or Qiita/Zennトレンドリーダー have ads?

C# Champ shows ads; Qiita/Zennトレンドリーダー does not.

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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.*