Quantumult X

Quantumult X

By Cross Utility

Quantumult X is a network debugging and proxy management tool for iOS, designed for developers and power users who require granular traffic control.

The App DNA

What makes this app unique?

Users choose Quantumult X to perform MitM decryption and HTTP request modification, tasks that standard VPN clients cannot execute.

For Web developers and power users who need to debug network traffic, modify HTTP requests, and manage custom proxy configurations on iOS.

What does it look like?

Key features

HTTP Traffic Debuggingedge

Records full HTTP requests and responses including body content for analysis.

MitM HTTP Decryptionedge

Decrypts HTTPS traffic originating from the TUN interface for inspection.

HTTP Rewriteedge

Modifies request or response headers and bodies, or performs URL redirects.

How much does it cost?

paidOne-time purchase at $9.99

The $9.99 one-time purchase model avoids subscription fatigue, positioning the app as a professional-grade tool rather than a mass-market VPN service.

Velocity

Maintenance developmentperformanceplatform expansionShow more...

Quantumult X follows a maintenance-oriented release cadence, shipping three updates over the last seven months. Development is primarily focused on technical improvements, such as protocol support for AnyTLS and Reality TLS, rather than frequent feature iterations. The latest release explicitly addresses platform compatibility by ending support for older iOS versions. The current pace of roughly one update every 100 days indicates a stable, low-frequency development cycle.

See all version history

Who built it?

Cross Utility

1 app tracked · Utilities

Explore the full publisher profile

User Sentiment

What do users think recently?

The recent review mood reads frustrated. Users appreciate the core proxy functionality provides a stable and reliable connection for users on older hardware, but report the lack of support for modern proxy protocols forces users to abandon the app for competitors.

How are ratings & reviews evolving?

App Store
3.80 · 2k

What users say, by theme

What Users Love
  • The core proxy functionality provides a stable and reliable connection for users on older hardware
What Frustrates Users
  • The lack of support for modern proxy protocols forces users to abandon the app for competitors
+ 2 more themes
What Users Want 2 requests inside

107 of 133 recent reviews analyzed · high confidence · Frustrated overall

Read the full review analysis

Unlock 2 more frustration themes and 2 user requests, each backed by review evidence.

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Competition

Competitive landscape for Quantumult X

How's the Utilities market?

Quantumult X holds a #24 Paid rank in the US Utilities category, reflecting its specialized appeal compared to the #1 rank held by Shadowrocket. The $9.99 price point remains significantly higher than the $2.99 entry cost of its primary rival, signaling a focus on high-intent professional users.

Read the market outlook

The rivals identified

Shadowrocket
Shadowrocketactive nemesis

By Shadow Launch Technology Limited

Both apps target technical users requiring granular proxy control and traffic routing on iOS, competing directly for the same power-user segment.

  • Shadowrocket integrates Tailscale for secure private network access, a feature absent in Quantumult X.
  • Shadowrocket maintains a $2.99 price point, significantly undercutting the $9.99 cost of Quantumult X.
  • Shadowrocket provides broader protocol support, ensuring compatibility with evolving network standards.
Quantumult X vs Shadowrocket

Unlock the head-to-head verdict: where this rival wins, and where it loses.

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The Analyst's Read

Key takeaways for Quantumult X

Where is it heading?

The network utility market is consolidating around apps that provide rapid protocol parity and system-level automation. Quantumult X's current maintenance-only cadence leaves it exposed to rivals like Shadowrocket, which capture the broader power-user segment through faster feature deployment. Without a pivot to modern protocol support, the app will likely see its user base shrink to a small, legacy-only niche.

  • The lack of modern protocol support forces power users to migrate to competitors, which accelerates churn and compresses the long-term user base.
  • Maintenance-only release cadence leaves the app vulnerable to rivals with 2-week update cycles, eroding the competitive advantage of its specialized debugging tools.

The SWOT

Core Strengths
  • Professional-grade MitM decryption and HTTP rewrite rules create a defensible barrier for developer-centric workflows.
  • One-time purchase model avoids subscription fatigue, appealing to power users who reject recurring costs.
Critical Frictions 3 weaknesses inside
Growth Levers
  • Native Shortcuts integration would address the top automation request, reducing manual interaction friction.
  • Implementing Hysteria2 and VLESS support would restore parity with modern network infrastructure.
Market Threats 2 threats identified

Next best moves

1 Invest · 1 Pivot

Ship native Shortcuts integration because it is the top-requested automation feature → reduce manual toggle friction

+ 1 more prioritized move

The counter-intuitive read

The app's cluttered interface is not a design…

Read the full take

Feature gaps

Hysteria2 and VLESS support (available in Shadowrocket and Nextin but absent here) +1

Since the last report: The competitive outlook for Quantumult X has shifted to declining due to a maintenance-only release cadence that fails to keep pace with modern protocol requirements. This lack of parity is driving negative sentiment and user migration to more agile competitors.

Bottom line

Quantumult X retains a loyal developer base through specialized debugging tools, but the lack of protocol parity is eroding its market position. Prioritizing protocol updates and system automation would address the churn drivers that currently favor competitors like Shadowrocket.

Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.

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FAQ

Is Quantumult X suitable for casual users?
Quantumult X is designed for web developers and power users. Casual users may find the interface cluttered and the configuration process complex compared to standard VPN apps.
How does Quantumult X compare to Shadowrocket?
Shadowrocket is more accessible with a lower price and broader protocol support, while Quantumult X offers specialized HTTP debugging and MitM decryption tools for professional workflows.
Does Quantumult X support modern protocols like Hysteria2?
No, users report that Quantumult X currently lacks support for modern protocols like Hysteria2 and VLESS, which is a common reason for users to switch to competitors.
What is a good alternative to Quantumult X?
Users seeking broader protocol support and more frequent updates often consider Shadowrocket or Stash, which are popular alternatives in the same category.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Quantumult X, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The competitive outlook for Quantumult X has shifted to declining due to a maintenance-only release cadence that fails to keep pace with modern protocol requirements. This lack of parity is driving negative sentiment and user migration to more agile competitors.

shifted

Outlook Trend

declined

Market Rank

declined

Overall Sentiment

added

New Weaknesses

shifted

PM Action Items

Cite this report

Marlvel.ai. “Quantumult X Intelligence Report.” Updated Aug 19, 2026. https://marlvel.ai/apps/quantumult-x

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