# 知了，RSS智能聚合阅读 vs Mpjex

The clearest difference is price: 知了，RSS智能聚合阅读 at Free against Mpjex's $0.99. 知了，RSS智能聚合阅读 also leads on rating (5.0 vs 4.6). Mpjex's advantage is in-app purchases (none vs 4) and ratings volume (68 vs 1). On ads and device support there is nothing between them.

知了，RSS智能聚合阅读 is free to download; Mpjex costs $0.99 up front. 知了，RSS智能聚合阅读 sells 4 in-app purchases, starting at $2.99 per month. Mpjex asks for nothing beyond the download.

知了，RSS智能聚合阅读 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Mpjex has 68 ratings behind it against 1, so its average is the more settled of the two.

知了，RSS智能聚合阅读 ships an update every 2 weeks, Mpjex every 6 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 知了，RSS智能聚合阅读 | Mpjex |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rss/id1525056652/reviews)** | [4.6 (68 ratings)](https://appshunter.io/ios/app/mpjex-mp3-converter-pro/id1660568866/reviews) |
| Number of ratings | 1 | **68** |
| Positive reviews | — | 79.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | **Freemium** | Paid |
| Size | 34 MB | 64 MB |
| Requires iOS | 16 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [羽浩 邓](https://appshunter.io/developer/1523986828) | [Beijing Yima Network Technology Co., Ltd.](https://appshunter.io/developer/1655494126) |

## What reviewers say

### 知了，RSS智能聚合阅读

[App page](https://appshunter.io/ios/app/rss/id1525056652)

This app intelligently aggregates and filters information from various sources, providing timely notifications for weather, new movies, book updates, and popular online content. It allows for customizable alerts based on keywords and supports dark mode.

**Highlights:** Intelligent information aggregation, Customizable filtering and alerts, Weather and movie release notifications, Book and online content update alerts, Supports dark mode, Customizable support for non-RSS sites

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $2.99 | per month |
| 连续包季会员 | $2.99 | per 3 months |
| 连续包半年会员 | $4.99 | per 6 months |
| 连续包年会员 | $9.99 | per year |


### Mpjex

[App page](https://appshunter.io/ios/app/mpjex-mp3-converter-pro/id1660568866)

Easily extract audio from video files and convert them into various music formats. This utility allows importing media from multiple sources, playing audio and video in the background, and managing your music library.

**Highlights:** Extract audio from video, Convert to MP3, M4A, AAC, FLAC, etc., Supports MP4, TS, MKV, AVI video formats, Import from Photo Library, iCloud, Wi-Fi, Background audio/video playback, Music library management

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

**In-app purchases:** none


## Frequently asked questions

### Is 知了，RSS智能聚合阅读 free?

知了，RSS智能聚合阅读 is free to download, with in-app purchases available.

### Is Mpjex free?

Mpjex costs $0.99, with no in-app purchases.

### Which has better reviews, 知了，RSS智能聚合阅读 or Mpjex?

知了，RSS智能聚合阅读 is rated higher. 知了，RSS智能聚合阅读 averages 5.0 out of 5 from 1 ratings, while Mpjex averages 4.6 from 68 ratings.

### Do 知了，RSS智能聚合阅读 or Mpjex have ads?

Neither 知了，RSS智能聚合阅读 nor Mpjex shows ads.

### Which is updated more often, 知了，RSS智能聚合阅读 or Mpjex?

知了，RSS智能聚合阅读 ships an update every 2 weeks, and Mpjex every 6 days. Most recently, 知了，RSS智能聚合阅读 was updated on November 3, 2026 and Mpjex on November 7, 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.*