openaso

apps / 1447750768

Jayson

JSON editor with Shortcuts

Simon B. Støvring · Developer Tools · Free · US storefront

#87 Top Free Developer Tools Apps
rating
4.5 ★
ratings
444
updated
Sep 10, 2026

v1.5.3

released
Feb 2, 2019

visible word pool · 5 words

jaysonjsoneditorwithshortcuts

title 6/30 chars · subtitle 26/30 chars

App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of Jayson's pool that are public — the keyword field is not exposed by any API.

from the listing

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. BROWSE AND EDIT - Open JSON files stored on your device or in iCloud Drive. - Toggle between a structured table view and syntax highlighted text. - Add new values and keys,…

full listing on the App Store ↗

Where does it rank? Chart position is one signal — most installs come from keyword search. Check where Jayson ranks for any keyword, free, with the rank checker.

this page is one tool call

mcp · app
{
  "tool": "app",
  "arguments": {
    "appId": 1447750768,
    "countries": [
      "US"
    ],
    "subtitle": true
  }
}

The app tool returns this listing as stable JSON for any storefront — one of thirteen ASO tools your agent gets over MCP. Get a free key.

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