Cown Zoo is a mobile-native developer tool for Safari that enables users to inject custom JavaScript and CSS into webpages. It simplifies the management of user scripts and stylesheets directly on mobile devices, including partial support for GreaseMonkey scripts.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Web developers and power users looking to customize Safari webpage behavior on mobile devices.

What does it look like?

Key features

Script and CSS Injectionstandard

Allows users to apply custom JavaScript or CSS code to any webpage.

In-App Editorstandard

Provides a built-in interface to create and edit scripts and stylesheets directly within the application.

GreaseMonkey Compatibilitystandard

Offers partial support for existing GreaseMonkey user scripts.

How much does it cost?

paid

Velocity

Steady developmentShow more...

5 versions in history. Development pace: steady.

See all version history

Who built it?

Inkwire Tech (Hangzhou) Co.

6 apps tracked · Developer Tools

App Privacy InsightsApp Privacy InsightsPlaymate - Playdate CompanionPlaymate - Playdate CompanionReadability AppReadability AppTrackTrack - Gather PlaylistsTrackTrack - Gather PlaylistsRune PlayerRune Player
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
2.00 · 3

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Cown Zoo

How's the Developer Tools market?

The rivals identified

The Analyst's Read

Key takeaways for Cown Zoo

Where is it heading?

Bottom line

While the app aims to bring desktop-style script injection to Safari mobile, current user feedback indicates potential reliability issues with script execution.

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 Cown Zoo, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Cown Zoo Intelligence Report.” Updated Apr 30, 2026. https://marlvel.ai/apps/app-cown-zoo

Agent Markdown (.md)See methodologyContact support

Data licensed under CC-BY-NC 4.0