Report updated May 26, 2026
Userscripts
For power users, web developers, and privacy-conscious individuals who want to customize their web browsing experience on Safari.
Userscripts is a well-regarded developer tools app that is completely free. With a 4.4/5 rating from 173 reviews, it maintains solid user satisfaction. Users particularly appreciate utility and functionality, though script persistence issues remains a common concern.
What is Userscripts?
Current Momentum
v1.8 · 3mo ago
MaintenanceUserscripts recently optimized memory usage and resolved iOS crash issues in version 1.8.6. The app is currently in maintenance mode with no recent major feature updates.
Active Nemesis
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By Hypnosis & Subliminal
Other Rivals
7-Day Rank Pulse 🇺🇸
Developer ToolsRating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Allows users to save and run arbitrary JavaScript and CSS code for specific websites
Open source architecture with no user tracking or data collection
Ability to add and automatically update remotely hosted userscripts via metadata tags
Supports syncing scripts between macOS and iOS via iCloud folders
Integrated editor with features like auto-hint, linting, and syntax highlighting for macOS
How much does it cost?
- Completely free and open source
The app is distributed as a free, open-source tool with no monetization, relying on community contributions and positive App Store reviews for support.
Who Built It?
Providing power users with open-source tools to customize their web browsing experience through privacy-first script management.
Portfolio
1
Apps
Explore the full Justin Wasack report
Portfolio breakdown, audience, momentum, and every app published by Justin Wasack.
What do users think recently?
High confidence · Latest 100 of 172 total reviews analyzed · Based on 172 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate utility and functionality and open source and free, but report script persistence issues and installation and setup difficulty.
What Users Love
What Frustrates Users
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Userscripts?
How's The Developer Tools Market?
How does it evolve in the Developer Tools market?
Rank progression
94 active rankings tracked — 30-day window
Which niche is Userscripts in?
to customize web browsing experience with scripts
Explore the full Coding Browsers niche
Every app in this space — 11 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
The outtake for Userscripts
Strengths to defend, gaps to attack
Core Strengths
- Open-source transparency and high user trust
- Completely free with no monetization or 'Pro' tiers
- Privacy-first architecture with zero data collection
- Cross-device synchronization via iCloud
Critical Frictions
- Script persistence bugs where scripts stop running automatically
- High friction in initial setup and script installation
- Lack of a built-in script discovery/gallery interface
- Limited mobile editor capabilities compared to desktop
Growth Levers
- Integrate a curated, privacy-vetted script gallery to compete with Stay
- Improve onboarding flow to reduce 'stuck' users
- Market specifically to privacy-conscious users fleeing commercial extensions
Market Threats
- Stay's superior script discovery and community features
- Tampermonkey's dominant brand recognition and API support
- Potential Safari API changes affecting background script execution
What are the next best moves?
Resolve script persistence and background execution bugs.
This is the #1 complaint theme ('scripts automatically turn off') and a primary driver of negative sentiment and potential churn.
Redesign the onboarding and setup flow.
Users report being 'stuck on the informational screen,' indicating a UX barrier that prevents successful first-time use.
Implement a basic script discovery or 'Import from URL' gallery.
This addresses a major feature gap compared to the nemesis, Stay, which features an integrated 'Stay Fork' community for script sharing.
Feature Gaps vs Competitors
- Integrated script search and discovery (available in Stay)
- Advanced visual editor with mobile optimization (available in Stay and Web Inspector)
- Wider range of Greasemonkey/Tampermonkey API support (available in Stay and Tampermonkey)
Key Takeaways
Userscripts is the gold standard for privacy-conscious developers, but it is currently losing the 'ease-of-use' battle to Stay. While its open-source nature is a massive strength, the PM must prioritize fixing script persistence bugs and reducing onboarding friction to prevent power users from migrating to more reliable commercial alternatives.
Where Is It Heading?
Stable
v1.8.6 (Jan 2026) added memory optimization and iOS stability — active maintenance on core performance.
Rankings show a slight decline (↓1) in the Developer Tools category, suggesting increased competition.
User sentiment remains 'Positive' despite persistent technical complaints regarding script loading.