Report updated May 26, 2026

TL;DR:Tampermonkey wins browser-level script management through cross-platform ubiquity, but its mobile-web interface instability creates a high-friction experience that threatens to alienate power users. Users feel Mixed, praising cross-browser userscript management provides a functional productivity tool for power users but frustrated by interface flickering and management panel instability render the app unusable on mobile devices. Tampermonkey maintains a strong market position through cross-platform utility, but mobile-web instability threatens to erode its user base, so the PM must prioritize stability over feature expansion to defend the paid-tier value proposition..|TL;DR:Tampermonkey wins browser-level script management through cross-platform ubiquity, but its mobile-web interface instability creates a high-friction experience that threatens to alienate power users. Users feel Mixed, praising cross-browser userscript management provides a functional productivity tool for power users but frustrated by interface flickering and management panel instability render the app unusable on mobile devices. Tampermonkey maintains a strong market position through cross-platform utility, but mobile-web instability threatens to erode its user base, so the PM must prioritize stability over feature expansion to defend the paid-tier value proposition..
Play Store →

Tampermonkey is an established productivity app that is a paid app. With a 3.2/5 rating from 53 reviews, it shows polarized user reception. Users particularly appreciate cross-browser userscript management provides a functional productivity tool for power users, though interface flickering and management panel instability render the app unusable on mobile devices remains a common concern.

What is Tampermonkey?

Tampermonkey is a browser extension for managing and executing custom userscripts on mobile and desktop platforms.

Users hire the app to modify web page behavior and automate browser tasks without the recurring costs of subscription-based tools.

Current Momentum

v5.4 · 10mo ago

Zombie
  • Added ArrayBuffer support for network requests
  • Introduced $DATETIME$ variable for script templates
  • Reworked storage implementation and sandbox console
AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Active Nemesis

Userscripts

Userscripts

By Justin Wasack

Other Rivals

Orion Browser by Kagi
1Blocker: Ad Blocker
AdGuard Ad Blocker for Safari
Vinegar - Tube Cleaner
Scriptable

7-Day Rank Pulse 🇺🇸

Productivity
#9
12

Rating Pulse 🇺🇸

Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

What makes this app unique?

How Is The App's Momentum Right Now?

Loading...

What Are The Key Features?

Userscript ExecutionDifferentiator

Runs custom JavaScript programs to modify web page behavior and appearance

GM_xmlhttpRequest SupportDifferentiator

Enables cross-origin network requests for userscripts to fetch external data

Script Management UIStandard

Provides a dashboard to create, edit, and toggle individual scripts

How much does it cost?

Paid
  • One-time purchase at $2.99

Paid model anchored at $2.99, targeting users willing to pay for browser-level utility without subscription overhead.

Who Built It?

Jan Biniok app icon

Empowering power users to customize and automate their mobile browsing experience through advanced userscript management.

Portfolio

2

Apps

Paid 1
Productivity100%

Who is Jan Biniok?

Jan Biniok occupies a highly specialized niche by porting the industry-standard desktop userscript manager, Tampermonkey, to the mobile Safari environment. The primary moat is the established brand equity and script compatibility from the desktop version, which serves as a significant barrier to entry for generic mobile automation tools. A key strategic signal is the transition from the standalone 'Classic' app to the modern Safari Web Extension, reflecting a necessary adaptation to Apple's evolving browser extension architecture.

Who is Jan Biniok for?

  • Web developers
  • Power users who require desktop-class web automation
  • Customization on mobile devices
Maintenance

Portfolio momentum

The portfolio is currently in a maintenance phase with no new releases in the last 6 months and a focus on a single active flagship extension.

Active apps · 1

What other apps does Jan Biniok make?

What do users think recently?

Medium confidence · 33 reviews analyzed

How did the latest release land?

Overall
3.2/ 5
(53)
Current version
3.2/ 5
0.0 vs overall
(53)
Main signal post-update: cross-browser userscript management provides a functional productivity tool for power users.

What is the recent mood?

Mixed

Recent user voice shows a mixed sentiment. Users appreciate cross-browser userscript management provides a functional productivity tool for power users, but report interface flickering and management panel instability render the app unusable on mobile devices.

Limited review volume (33 reviews). Sentiment analysis will deepen as more data lands.

What is the competitive landscape for Tampermonkey?

How's The Productivity Market?

How does it evolve in the Productivity market?

Tampermonkey holds a #5 Paid position in the US Productivity category, yet the 3.15 rating indicates significant friction relative to its category-leading discovery.

ChartRankChange
iOSPaid#15
iOSPaid#21

The rivals identified

The Nemesis

Head to Head

The target app must leverage its cross-platform ubiquity to defend against this native-first competitor, which offers a superior desktop experience.

What sets Tampermonkey apart

  • Cross-browser compatibility allows users to maintain the same script library across multiple platforms beyond just Safari.

  • Established brand recognition in the userscript community provides a larger base of pre-made community scripts.

What's Userscripts's Edge

  • Native macOS application architecture offers better performance and system-level integration than standard browser extensions.

  • Simplified interface design reduces the learning curve for users who find traditional script managers overly complex.

Contenders

Orion Browser by Kagi

Orion Browser by Kagi

4.1 (1.1K)

Kagi Inc.

Orion integrates userscript support directly into the browser engine, effectively bypassing the need for a standalone extension.

Integrates userscript support natively into the browser core, eliminating the performance overhead of external extensions.

Aggressive release cadence of 16 updates in six months signals rapid feature iteration and responsiveness to user feedback.

Peers

Focuses on high-performance content filtering that minimizes impact on page load times compared to script-heavy extensions.

Offers a highly polished, user-friendly interface that prioritizes ease of use over technical script management.

AdGuard Ad Blocker for Safari

AdGuard Ad Blocker for Safari

4.3 (17.2K)

Adguard Software Limited

While primarily an ad blocker, it shares the same Safari extension ecosystem and competes for the same browser-enhancement real estate.

Provides comprehensive privacy and tracking protection that goes beyond simple script execution capabilities.

Massive user base and long-standing market presence create a high barrier to entry for general browser utility tools.

Vinegar - Tube Cleaner

Vinegar - Tube Cleaner

4.3 (745)

And a Dinosaur

A specialized utility that modifies web page behavior, occupying the same 'web enhancement' niche as userscripts.

Provides a single-purpose, highly optimized solution for video playback issues rather than a general-purpose script manager.

Demonstrates the value of 'micro-utility' apps that solve specific user pain points better than complex, multi-functional tools.

New Kids on the Block

Scriptable

Scriptable

4.7 (3.6K)

Simon B. Støvring

While not a direct userscript manager, its ability to run JavaScript on iOS makes it a powerful alternative for power users.

Enables deep system automation and widget creation using JavaScript, expanding the scope of what users can achieve.

Provides a robust development environment that bridges the gap between simple web scripts and full-blown iOS automation.

The outtake for Tampermonkey

Strengths to defend, gaps to attack

Core Strengths

  • Cross-platform script library synchronization
  • One-time purchase model avoids subscription fatigue

Critical Frictions

  • Interface flickering on mobile devices
  • Frequent database wipe errors
  • Lack of clear mobile setup documentation

Growth Levers

  • Education of mobile-web power users via better setup guides
  • Expansion into deeper system-level automation

Market Threats

  • Native browser-engine script support in competing browsers
  • Instability-driven migration to native macOS alternatives

What are the next best moves?

highPivot

Rebuild mobile management UI because flickering is the top-cited churn driver → recover 3.15 rating baseline

Interface flickering and panel instability are the primary drivers of negative sentiment in reviews.

Trade-off: Push the new script-template variable feature to the next cycle — stability is the current retention bottleneck.

highInvest

Audit database persistence logic because users report frequent script loss → reduce negative review volume

Database errors are the second most frequent complaint, directly disrupting the core utility of the extension.

Trade-off: Pause the multi-language support expansion — existing users are churning due to data loss.

A counter-intuitive read

The app's #5 rank is a liability: maintenance-mode at the top of the chart leaves it more vulnerable to a single live-ops rival than a lower-ranked app climbing the chart.

Feature Gaps vs Competitors

  • Native macOS application architecture (available in Userscripts but missing here)
  • Native browser-engine script integration (available in Orion Browser but missing here)

Key Takeaways

  • Prioritize mobile stability to prevent user migration to native alternatives.
  • Leverage the one-time purchase model as a primary marketing differentiator against subscription-heavy competitors.

Tampermonkey maintains a strong market position through cross-platform utility, but mobile-web instability threatens to erode its user base, so the PM must prioritize stability over feature expansion to defend the paid-tier value proposition.

Where Is It Heading?

Mixed Signals

The browser-enhancement market is consolidating around native-first solutions that bypass extension-level overhead. Tampermonkey's reliance on browser-extension architecture leaves it exposed to performance-oriented rivals, so the long-term viability depends on resolving mobile-web stability to retain power users.

Interface flickering and database errors in the latest release disrupt core utility, which compounds the rating drag already visible on mobile platforms.

Recent updates focused on storage and sandbox implementation, indicating a shift toward technical maintenance rather than new user-facing feature expansion.

FAQ

Is Tampermonkey worth paying for if I only use it casually?
Tampermonkey is designed for power users who need custom browser automation. Casual users may find the setup process complex and the current mobile interface instability frustrating.
How does Tampermonkey compare to Userscripts?
Tampermonkey offers cross-browser compatibility, allowing you to sync scripts across different platforms. Userscripts focuses on native macOS integration, which some users find more stable for desktop use.
Is Tampermonkey safe for mobile browsing?
Tampermonkey is a standard browser extension. However, users report technical issues like interface flickering and occasional database errors, which may disrupt your browsing experience on mobile devices.
What is a free alternative to Tampermonkey?
Depending on your browser, you might consider native script support in browsers like Orion or specialized ad-blocking extensions that offer similar web-modification capabilities.

Disclosure

Independent intel to help builders create better apps.

AI-powered analysis with editorial review, built from publicly available sources. See methodology.

Marlvel.ai is not affiliated with, endorsed by, or sponsored by Tampermonkey, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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

What's new in this report

The app has transitioned into a maintenance-mode or zombie state, characterized by a lack of updates and unresolved technical regressions that are actively eroding user trust.

declined

Rating and Stability Decline

added

New Technical Weaknesses

added

Competitive Threats

improved

Feature Categorization

Cite this report

Marlvel.ai. “Tampermonkey Intelligence Report.” Updated May 26, 2026. https://marlvel.ai/intel-report/productivity/net-tampermonkey-safariwebext

Agent Markdown (.md)·

Data licensed under CC-BY-NC 4.0