# SFKKRSS vs 理词本

The clearest difference is iOS requirement: 理词本 at 18.0 against SFKKRSS's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SFKKRSS | 理词本 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 9 MB | 19 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [JIANBO JIA](https://appshunter.io/developer/1830153693) | [鹏飞 高](https://appshunter.io/developer/1747456623) |

## What reviewers say

### SFKKRSS

[App page](https://appshunter.io/ios/app/sfkkrss/id6749844312)

**Features:** macOS Compatibility

**In-app purchases:** none


### 理词本

[App page](https://appshunter.io/ios/app/id6761205445)

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

**In-app purchases:** none


## Frequently asked questions

### Is SFKKRSS free?

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

### Is 理词本 free?

理词本 is free to download, with no in-app purchases.

### Do SFKKRSS or 理词本 have ads?

Neither SFKKRSS nor 理词本 shows ads.

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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.*