# Quantumult X vs World Famous Propane

The clearest difference is price: World Famous Propane at Free against Quantumult X's $9.99. World Famous Propane also leads on iOS requirement (12.2 vs 15.0). Quantumult X's advantage is update cadence (every 2 months vs every 6 months) and chart position (#21 vs unranked). On ads and in-app purchases there is nothing between them.

World Famous Propane is free to download; Quantumult X costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Quantumult X ships an update every 2 months, World Famous Propane every 6 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Quantumult X | World Famous Propane |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.8 (1.7K ratings)](https://appshunter.io/ios/app/quantumult-x/id1443988620/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Paid | — |
| Best chart rank | **#21** | — |
| Size | 85 MB | 57 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cross Utility Ltd](https://appshunter.io/developer/1252015437) | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) |

## What reviewers say

### Quantumult X

[App page](https://appshunter.io/ios/app/quantumult-x/id1443988620)

**Currently charting:** #21 Top Paid · Utilities, #148 Top Paid (US App Store)

This powerful network utility allows web developers to debug HTTP traffic and modify requests/responses. It also enables users to customize proxy settings, supporting various protocols and advanced filtering for network requests.

**Highlights:** HTTP request/response debugging, MitM HTTP decryption, HTTP rewrite for traffic modification, Customized DNS settings, Shadowsocks proxy support, WebSocket and TLS proxying, Customizable network request policies

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 👍 User-friendly interface
- 🔒 Robust security features

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔋 High battery consumption
- 📉 Lack of updates and new features

**Reported bugs**

- Issues with iOS 18 certificate installation
- Incompatibility with system VPN
- Rewrite and MITM functions not working as expected

**Requested features**

- Support for new protocols like Hysteria2 and VLESS
- Remote access and node switching
- Widgets for quick access
- Batch speed testing for multiple nodes


### World Famous Propane

[App page](https://appshunter.io/ios/app/world-famous-propane/id6499225141)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quantumult X free?

Quantumult X costs $9.99, with no in-app purchases.

### Is World Famous Propane free?

World Famous Propane is free to download, with no in-app purchases.

### Do Quantumult X or World Famous Propane have ads?

Neither Quantumult X nor World Famous Propane shows ads.

### Which is updated more often, Quantumult X or World Famous Propane?

Quantumult X ships an update every 2 months, and World Famous Propane every 6 months. Most recently, Quantumult X was updated on November 6, 2026 and World Famous Propane on November 4, 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.*