Jayson
Store data observed · From public App Store data · How we score apps
- Developer Tools
- App Store
- United States
- 4.5435 ratings
- Free download
- Updated
- Observed
Est. monthly revenue
EstimatedEst. monthly downloads
Estimated90-day growth
Opportunity score
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About JaysonObserved
Jayson is a Developer Tools app by Simon B. Støvring on the United States App Store. Released Feb 2, 2019; last updated Sep 10, 2026 (version 1.5.3). Jayson is free to download.
As of Oct 8, 2026, Jayson has a 4.5-star average rating from 435 ratings on the United States App Store and ranks #100 on the Developer Tools top chart. MRRBeam rates the success of Jayson 39/100 (rising), the #54 most successful Developer Tools app MRRBeam tracks in the United States.
Jayson is a JSON viewer and editor for iPhone and iPad. Browse JSON as a structure, edit values, and save your changes back to the file. Whether you're inspecting an API response, checking a config file, or making a quick fix on the go, Jayson turns raw JSON into something you can actually read and change.
- Success score
- 39/100 Rising
- In Developer Tools
- #54 most successful
- Chart position
- #100 in Developer Toolson Oct 8, 2026
- Developer
- Simon B. Støvring
Top Developer Tools apps
The most successful Developer Tools apps MRRBeam tracks in the United States.
Jayson: common questions
- What is Jayson?
- Jayson is a Developer Tools app developed by Simon B. Støvring, available on the App Store. It was first released on Feb 2, 2019.
- How is Jayson rated?
- Jayson has a 4.5-star average rating from 435 ratings on the United States App Store as of Oct 8, 2026.
- How much money does Jayson make?
- MRRBeam estimates Jayson makes about $240–$1K a month in revenue from 490–1.4K downloads a month, based on its #100 position on the Developer Tools free chart. This is a modelled estimate, not reported data.
- How many downloads does Jayson get?
- About 490–1.4K downloads a month, by MRRBeam's estimate from its chart position. Apple does not publish download counts.
- How much does Jayson cost?
- Jayson is free to download.
- Is Jayson successful?
- On Oct 8, 2026, Jayson ranked #100 on the Developer Tools top chart. MRRBeam rates the success of Jayson 39/100 (rising), the #54 most successful Developer Tools app MRRBeam tracks in the United States. The success score combines rating volume, chart position and average rating.
- When was Jayson last updated?
- Jayson was last updated on Sep 10, 2026 (version 1.5.3).
- What are alternatives to Jayson?
- Similar Developer Tools apps tracked by MRRBeam include TestFlight, GitHub, Sekai: Create · Remix · Play, Replit: Vibe Code with AI Fast and NextVPN: Fast & Secure Proxy.
- Is there room to build a competitor to Jayson?
- MRRBeam's opportunity score for Jayson is 7/100. Limited opening: an older app, modest estimated revenue and a strong 4.5★ rating.