Report updated Mar 30, 2026

What Is Tampermonkey?

Tampermonkey is a specialized browser extension designed to empower power users and developers by enabling the execution of userscripts to modify web page behavior and appearance. Positioned within the Productivity category, it serves as a bridge between desktop-class web customization and mobile browsing, allowing users to automate tasks and enhance their digital environment. Currently, the app holds a #4 ranking in its specific category, reflecting a strong niche demand. While it successfully captures the 'prosumer' market, its current market position is threatened by significant technical instability. The app's core value proposition is highly compelling, yet the user experience is currently hampered by critical UI bugs that are driving a declining sentiment trend.

What users think iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Mixed
Functionality and Utility
App Instability and UI Glitches... Show more

What are Tampermonkey's key features?

Userscript ManagementDifferentiator

Create, manage, and execute small JavaScript programs to modify web page behavior

Web Page CustomizationStandard

Enhance and modify the functionality or appearance of any website

Cross-Browser CompatibilityStandard

Designed to work across all major browsers for a consistent experience

What do users think of Tampermonkey? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Mixed

Recent user voice shows a mixed sentiment. Users appreciate functionality and utility and cross-platform sync, but report app instability and ui glitches and script installation issues.

What Users Love

Functionality and Utility

Really happy now that I'm getting the tweaks I've always been using on desktop browser.

It is the case when you need something and don’t know you needed it all the time until you try it out.

Cross-Platform Sync

Sync userscripts across Firefox, Chrome, and Safari.

Syncing at last! Thank you!

Pain Points

App Instability and UI Glitches

Upon accessing the management panel, the screen continuously flickers, rendering the app completely unusable.

The interface will be constantly reloaded, resulting in the inability to enter the management interface smoothly.

Script Installation Issues

When I tried to paste in the same scripts in the new script page it gives an error message.

安装后不能正常安装插件,复制代码安装后,插件不适配

High confidence · 32 reviews available

How is Tampermonkey ranked?

ChartRankChange
Paid#42
No ranking data for this selection.

What are the pros and cons of Tampermonkey?

Pros

  • Strong brand recognition as a standard-bearer for userscript management.
  • Clear, premium pricing model that avoids ad-based friction.
  • High utility value that solves a specific, unmet need for mobile power users.

Cons

  • Significant technical regression causing UI flickering and rendering issues.
  • Poor reliability in script installation, leading to user frustration.
  • Declining sentiment trend due to lack of recent stability patches.

What is the market outlook for Tampermonkey?

Growth Opportunities

  • Capitalize on the lack of high-quality, stable script managers on mobile platforms.
  • Improve onboarding documentation to reduce installation error complaints.
  • Expand into a subscription-based cloud sync service for script management.

Market Threats

  • Competitors could capture market share by offering a more stable, bug-free experience.
  • Browser platform updates may continue to break existing script injection methods.

What are the key takeaways for Tampermonkey?

Tampermonkey is a divisive productivity app that is a paid app. With a 3.2/5 rating from 50 reviews, it receives mixed feedback from users. Users particularly appreciate functionality and utility, though app instability and ui glitches remains a common concern.

Best for: Power users, web developers, and tech-savvy individuals who want to customize their browsing experience and automate web tasks.

How much does Tampermonkey cost?

Model: paid

Tiers:
One-time purchase of $2.99

The app utilizes a straightforward paid model, which is distinct from many free browser extensions, positioning it as a premium utility tool.

iOS Version

5.4.6229

Release Date

Nov 18, 2024

iOS Price

$2.99

Independent intel to help builders create better apps.

No publisher influence. No third-party bias. Built with objectivity in mind to serve the builder community. Reports are continuously improved and refined. For informational purposes only.

Hope this helps & keep building! · Found an error?

Cite this report

Marlvel.ai. “Tampermonkey Intelligence Report.” Updated Mar 30, 2026. https://marlvel.ai/intel-report/productivity/net-tampermonkey-safariwebext

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