# RSSHub Radar vs 为知笔记 X

The clearest difference is rating: RSSHub Radar at 3.7 against 为知笔记 X's 2.0. RSSHub Radar also leads on in-app purchases (none vs 1). 为知笔记 X's advantage is review sentiment (17% vs 0%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. 为知笔记 X sells 1 one-off in-app purchase. RSSHub Radar asks for nothing beyond the download.

RSSHub Radar holds the better App Store score, 3.7 against 2.0. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews complicate that: 0% of RSSHub Radar's written reviews are positive against 17% of 为知笔记 X's, so the app with the better star average is not the one people write more warmly about.

RSSHub Radar ships an update every 2 weeks, 为知笔记 X every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | RSSHub Radar | 为知笔记 X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/rsshub-radar/id1610744717/reviews)** | [2.0 (6 ratings)](https://appshunter.io/ios/app/x/id1624867585/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | 0.0% of reviews | **16.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 54 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Natural Selection Labs](https://appshunter.io/developer/1794255875) | [Beijing Wozhi Technology Co. Ltd](https://appshunter.io/developer/427747942) |

## What reviewers say

### RSSHub Radar

[App page](https://appshunter.io/ios/app/rsshub-radar/id1610744717)

Easily discover and subscribe to RSS feeds from any webpage. This tool helps you find RSSHub-supported feeds on websites and offers one-click subscriptions to popular feed readers.

**Highlights:** Discover RSS feeds on current page, Explore RSSHub supported feeds, One-click RSS subscription, Supports multiple feed readers, Open-source on GitHub

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### 为知笔记 X

[App page](https://appshunter.io/ios/app/x/id1624867585)

This app combines personal note-taking with team collaboration. Save important information, collect web content, and write diaries. It supports real-time multi-person editing and synchronizes data across all your devices for seamless access.

**Highlights:** Real-time multi-person collaboration, Supports text, images, documents, to-do lists, Markdown syntax support, Office file preview and editing, Insert various content components (flowcharts, maps, media), One-click WeChat content collection, Email forwarding and saving, Encrypted notes for privacy

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WizNote X Yearly | $8.99 | one-time |


## Frequently asked questions

### Is RSSHub Radar free?

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

### Is 为知笔记 X free?

为知笔记 X is free to download, with in-app purchases available.

### Which has better reviews, RSSHub Radar or 为知笔记 X?

RSSHub Radar is rated higher. RSSHub Radar averages 3.7 out of 5 from 3 ratings, while 为知笔记 X averages 2.0 from 6 ratings.

### Do RSSHub Radar or 为知笔记 X have ads?

Neither RSSHub Radar nor 为知笔记 X shows ads.

### Which is updated more often, RSSHub Radar or 为知笔记 X?

RSSHub Radar ships an update every 2 weeks, and 为知笔记 X every 3 weeks. Most recently, RSSHub Radar was updated on October 24, 2026 and 为知笔记 X on October 24, 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.*