Report updated Apr 23, 2026

Overview · Full Intel report in progress

Source 3 is an established developer tools app that is a paid app. With a 4.3/5 rating from 10 reviews, it shows polarized user reception.

What is Source 3?

Source 3 is a Safari extension designed for web developers to inspect the HTML source code of any webpage directly within the browser. It features customizable syntax highlighting to improve readability and integrates via the iOS Safari Action menu. The app aims to streamline the debugging and reference process for mobile web development.

Current Momentum

v3.0 · 44mo ago

Zombie

Last updated 1335d ago. 5 versions tracked.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Developer Tools
#58
45

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Safari Extension IntegrationStandard

Allows users to access source code directly from the Safari Action menu while browsing.

Syntax HighlightingStandard

Provides beautiful, customizable syntax highlighting for improved code readability.

HTML Source ViewerStandard

Enables the viewing of raw HTML source code for any active webpage.

How much does it cost?

Paid

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

Analysis in progress, available soon

What is the competitive landscape for Source 3?

Where is it available?

Localized markets (1)

United States

How's The Developer Tools Market?

How does it evolve in the Developer Tools market?

Rank progression

73 active rankings tracked — 30-day window

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Source 3

Key Takeaways

While the app provides a specialized utility for mobile web development, user feedback indicates significant inconsistency regarding its functionality and integration with Safari.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Source 3, 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. “Source 3 Intelligence Report.” Updated Apr 23, 2026. https://marlvel.ai/apps/com-ytzong-viewsource

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