Best Json Web Apps

249+ iOS apps curated and reviewed

3.9 avg rating
16 free apps
Updated August 2026

The best json web apps on iPhone average 3.9★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Json Web Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1JSON Web TokenJSON Web Token$2.99NoNoJul 2026
2Structly - JSON FormatterStructly - JSON FormatterFree5.0★ (1)NoNoAug 2026
3Power JSON Editor MobilePower JSON Editor MobileFree3.2★ (10)NoYesAug 2026
4JSONEditor - JSON ViewerJSONEditor - JSON ViewerFree4.3★ (12)NoYesAug 2026
5Learn JSON: Master Data SyntaxLearn JSON: Master Data Syntax$1.99NoNoJul 2026
6Json Genie: JSON Editor/ViewerJson Genie: JSON Editor/ViewerFree4.3★ (3)YesYesAug 2026
7JSON NavigatorJSON Navigator$0.995.0★ (2)NoNoAug 2026
8JSON View : Editor & FormatterJSON View : Editor & FormatterFreeNoNoAug 2026

Top Picks for Json Web

Structly - JSON Formatter#2

Structly - JSON Formatter by Chen He

Beautiful JSON for Safari
Strong Contender
🛠️ Developer Tools
5.0(1 ratings)
Free
Structly - JSON Formatter screenshot 1
Structly - JSON Formatter screenshot 2
Structly - JSON Formatter screenshot 3
Structly - JSON Formatter screenshot 4
Structly - JSON Formatter screenshot 5

This tool enhances your browsing experience by transforming raw JSON data into clear, readable views directly within Safari. It offers effortless formatting, advanced search, and versatile export options, all while prioritizing user privacy with on-device operation and no data collection.

Power JSON Editor Mobile#3

Power JSON Editor Mobile by 基伟 徐

A must have JSON tool for dev
Worth Considering
🛠️ Developer Tools
3.2(10 ratings)
FreeIn-App Purchases
Power JSON Editor Mobile screenshot 1
Power JSON Editor Mobile screenshot 2
Power JSON Editor Mobile screenshot 3
Power JSON Editor Mobile screenshot 4
Power JSON Editor Mobile screenshot 5
Power JSON Editor Mobile screenshot 6

This app provides a robust JSON editing experience for developers on iOS devices. It allows for easy viewing, exploring, and validating JSON files through a document browser interface and offers both tree and text views with syntax highlighting.

More Json Web apps to explore

4
JSONEditor - JSON Viewer
JSONEditor - JSON Viewer
JSONEditor - JSON Viewer
JSON Editor, Formatter
Free

This app allows developers to import, view, and edit JSON files with syntax highlighting. It offers tree view for clear visualization and supports importing from files or HTTP requests.

Import JSON from Files appImport JSON from HTTP requestTree View for clear visualization
🛠️ Developer Tools
(12)
freemium
5
Learn JSON: Master Data Syntax
Learn JSON: Master Data Syntax
Learn JSON: Master Data Syntax
The Ultimate JSON Course
$1.99
📚 Education
(0)
6
Json Genie: JSON Editor/Viewer
Json Genie: JSON Editor/Viewer
Json Genie: JSON Editor/Viewer
View, Edit & Format JSON Files
Free

This app provides a fast and private way to view, edit, compare, and merge JSON files directly on your device. It offers a clear tree structure for browsing, powerful search capabilities, and formatting options without needing an account or cloud upload.

View JSON in a tree structureEdit JSON data safelyCompare JSON files
🛠️ Developer Tools
(3)
free with in-app purchases
7
JSON Navigator
JSON Navigator
JSON Navigator
Beautify JSON output in Safari
$0.99

This app transforms JSON data into interactive, visualized trees directly within Safari. It offers instant visualization, data type indicators, and easy navigation through complex structures. Customize your viewing experience with light and dark themes.

Instant JSON visualizationInteractive tree-view interfaceData type indicators
🛠️ Developer Tools
(2)
paid
8
JSON View : Editor & Formatter
JSON View : Editor & Formatter
JSON View : Editor & Formatter
View, Edit & Validate JSON
Free
🛠️ Developer Tools
(0)
9
Learn JSON | JSON Tutor
Learn JSON | JSON Tutor
Learn JSON | JSON Tutor
Learn JSON Tutorials guide
$1.99
📚 Education
(0)
10
JSON Tools - View Edit
JSON Tools - View Edit
JSON Tools - View Edit
Pro JSON editor for devs
Free

This app provides developers with tools to view, edit, and compare JSON data. It offers hierarchical tree views, raw text editing with syntax highlighting, advanced search capabilities including JSONPath, and file operations for local and remote JSON files.

Hierarchical tree view with expandable nodesRaw text editor with syntax highlightingAdvanced search with JSONPath support
🛠️ Developer Tools
(1)
free with in-app purchases
11
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
Curly: JSON Viewer & Formatter
JSON Viewer browser extension
Free

This browser extension automatically formats and highlights raw JSON text on webpages, making it instantly readable and interactive. It's designed to boost productivity for developers by simplifying data inspection and API debugging.

Automatic JSON detectionSyntax highlightingInteractive JSON view
🛠️ Developer Tools
(1)
ad-supported
12
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
API, MCP & WebSocket Debugger
Free

This app allows users to send HTTP/HTTPS requests and connect to WebSockets, making it easy to debug APIs on the go. It supports various response formats, collaboration features, and authentication methods, streamlining API development and testing.

Send HTTP/HTTPS and WebSocket requestsInspect JSON, HTML, and XML responsesImport/export Postman collections
🛠️ Developer Tools
(1.3K)
free with in-app purchases
13
Accessible JSON Viewer
Accessible JSON Viewer
Accessible JSON Viewer
by Matthew Dovi
Free
🛠️ Developer Tools
(0)
14
JSON Viewer and Editor
JSON Viewer and Editor
JSON Viewer and Editor
View, Edit, Format & Convert
Free
📊 Productivity
(0)
15
Json Viewer Simple
Json Viewer Simple
Json Viewer Simple
Json Reader
Free

Easily view and navigate JSON files with features like search, pagination, and large file support. Its intuitive interface is designed for all user levels to enhance productivity when working with JSON data.

Search functionalityPagination for organized viewingSupport for large JSON files
🛠️ Developer Tools
(1)
ad-supported
16
Simple JSON Reader
Simple JSON Reader
Simple JSON Reader
Simple, convenient JSON Reader
Free

Easily view and understand information from JSON files and web pages. This utility simplifies data presentation, making complex data accessible in a convenient format for various projects and partners.

View JSON filesView JSON from web pagesConvenient data format
🔧 Utilities
(1)
free
17
JSON Prettify
JSON Prettify
JSON Prettify
Validez et formatez votre JSON
Free

Easily format and validate JSON data with a clean, intuitive interface. Get clear error messages for invalid JSON and switch to a compact view for efficient data exploration. Streamline your JSON workflow with this developer-friendly tool.

Quick and clear JSON formattingDetailed error messages for invalid JSONCompact mode for compressed view
🛠️ Developer Tools
(2)
ad-supported
18
JSON FORMATTER PRO
JSON FORMATTER PRO
JSON FORMATTER PRO
Syntax Error Highlighting
Free
$2.99 | 100% OFF

This utility app simplifies JSON formatting and validation. It offers syntax error highlighting and allows users to type or paste JSON data for easy manipulation and export. Ideal for developers and anyone working with JSON on the go.

Syntax Error HighlightingJSON FormattingType JSON
🔧 Utilities
(55)
free
19
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
Validate,Beautify,Compare JSON
Free

Format, validate, and compare JSON data offline on your iPhone or iPad. This tool offers a tree view, search functionality, and custom themes for efficient data management. Export JSON to various formats and handle large files smoothly.

Beautify & Minify JSONImport JSON files or paste from clipboardExport JSON to CSV, XML, YAML
🔧 Utilities
(1)
free with in-app purchases
20
Jayson
Jayson
Jayson
JSON editor with Shortcuts
Free

This app allows you to view and edit JSON files directly on your device. It offers features like tabbed browsing, split-screen comparisons, and integration with Siri Shortcuts and the Share Sheet for easy JSON parsing and management.

Browse JSON filesTable or syntax highlighted text viewTabbed interface
🛠️ Developer Tools
(408)
free with in-app purchases

FAQ about Json Web

Are there free json web apps for iPhone?
Yes — 16 of the top json web apps we rank are free to download, including Structly - JSON Formatter and Power JSON Editor Mobile.
JSON Web Token has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ json web apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.