# 机械设计帮手 vs RBrowser pro

The clearest difference is price: 机械设计帮手 at Free against RBrowser pro's $14.99. 机械设计帮手 also leads on iOS requirement (8.0 vs 12.0). RBrowser pro's advantage is update cadence (every 6 weeks vs every 27 months). On ads, in-app purchases and device support there is nothing between them.

机械设计帮手 is free to download; RBrowser pro costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

机械设计帮手 ships an update every 27 months, RBrowser pro every 6 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 机械设计帮手 | RBrowser pro |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | — | **[4.6 (11 ratings)](https://appshunter.io/ios/app/rbrowser-pro-private-browser/id1233981636/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 65.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 6 weeks** |
| Monetization | — | Paid |
| Size | 23 MB | 88 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [越 李](https://appshunter.io/developer/1090874153) | [桐明 陈](https://appshunter.io/developer/1197339496) |

## What reviewers say

### 机械设计帮手

[App page](https://appshunter.io/ios/app/id1094339599)

**Features:** macOS Compatibility

**In-app purchases:** none


### RBrowser pro

[App page](https://appshunter.io/ios/app/rbrowser-pro-private-browser/id1233981636)

A fast, secure, and powerful ad-blocking web browser that allows saving web pages as PDF, pictures, or videos. It supports user scripts, screen recording, and background video playback with a customizable player.

**Highlights:** Ad blocking, Save web pages as PDF, picture, or video, User script support (JavaScript, Tampermonkey), Screen recording of apps and web content, Download videos and audio, Multiple web tabs and video players, Background video playback

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

**In-app purchases:** none


## Frequently asked questions

### Is 机械设计帮手 free?

机械设计帮手 is free to download, with no in-app purchases.

### Is RBrowser pro free?

RBrowser pro costs $14.99, with no in-app purchases.

### Do 机械设计帮手 or RBrowser pro have ads?

Neither 机械设计帮手 nor RBrowser pro shows ads.

### Which is updated more often, 机械设计帮手 or RBrowser pro?

机械设计帮手 ships an update every 27 months, and RBrowser pro every 6 weeks. Most recently, 机械设计帮手 was updated on October 7, 2026 and RBrowser pro 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.*