Report updated Apr 18, 2026
Jayson
For developers and power users who need to inspect, edit, and compare JSON files on mobile devices.
Overview · Full Intel report in progress
Jayson is an established developer tools app that is completely free. With a 4.5/5 rating from 390 reviews, it shows polarized user reception.
What is Jayson?
Current Momentum
v1.4 · 43mo ago
ZombieLast updated 1291d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
Developer ToolsRating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Allows users to toggle between table and syntax-highlighted text views, with support for tabbed browsing and split-screen comparisons.
Provides automation capabilities via Siri Shortcuts, Share Sheet actions, and URL schemes to parse JSON from text, URLs, or the clipboard.
Supports multiple windows on iPad to facilitate complex document editing and side-by-side file comparison.
How much does it cost?
Who Built It?
Simon B. Støvring
Empowering iOS power users with high-performance, native automation and utility tools that bridge the gap between mobile and desktop workflows.
Portfolio
6
Apps
What other apps does Simon B. Støvring make?
Explore the full Simon B. Støvring report
Portfolio breakdown, audience, momentum, and every app published by Simon B. Støvring.
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.
Analysis in progress, available soon
What is the competitive landscape for Jayson?
Where is it available?
Localized markets (1)
How's The Developer Tools Market?
How does it evolve in the Developer Tools market?
Rank progression
128 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Jayson
Key Takeaways
Jayson is a highly integrated utility that brings desktop-class JSON editing and automation to the iOS ecosystem.
Where Is It Heading?
Trend analysis
Available very soon