Best Json Designer Apps

214+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated June 2026

Every iPhone needs a few good json designer apps. We benchmark 214+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Json Designer

JSON Designer#1

JSON Designer by Cribster UG (haftungsbeschrankt)

Modeling better Documentation
Editor's Choice
📊 Productivity
3.3(10 ratings)
FreeIn-App Purchases
JSON Designer screenshot 1
JSON Designer screenshot 2

Create visual representations of JSON structures as object-oriented models with a design tool that offers features such as graphical modeling, export options, and code generation. Start modeling now and simplify your JSON documentation process with a free core feature and optional paid code generators.

JSON FORMATTER PRO#3

JSON FORMATTER PRO by Creative Greenlight LLC

Syntax Error Highlighting
Worth Considering
🔧 Utilities
4.9(55 ratings)
Free
JSON FORMATTER PRO screenshot 1
JSON FORMATTER PRO screenshot 2
JSON FORMATTER PRO screenshot 3
JSON FORMATTER PRO screenshot 4
JSON FORMATTER PRO screenshot 5
JSON FORMATTER PRO screenshot 6

This simple JSON formatting tool provides syntax error highlighting, formatting, and validation, allowing users to easily create and validate JSON data structures on the go. With features like typing, pasting, and exporting JSON, it's a straightforward solution for all your JSON formatting needs.

More Json Designer apps to explore

4
Simple JSON Reader
Simple JSON Reader
Simple JSON Reader
Simple, convenient JSON Reader
Free

This application allows users to easily view information from JSON files and web pages in a convenient format, simplifying the task of communicating with partners and sharing data. Try it out to make working with JSON data a breeze!

🔧 Utilities
(1)
5
JSON Navigator
JSON Navigator
JSON Navigator
Beautify JSON output in Safari
$0.99
🛠️ Developer Tools
(2)
6
JSONEditor - JSON Viewer
JSONEditor - JSON Viewer
JSONEditor - JSON Viewer
JSON Editor, Formatter
Free

This powerful JSON editor allows developers to import, view, and edit JSON data with ease, featuring syntax highlighting and a clear tree view. Subscribe now to access advanced features and take your JSON editing to the next level.

🛠️ Developer Tools
(6)
7
JSON Viewer & Editor
JSON Viewer & Editor
JSON Viewer & Editor
Format, Validate & Convert
Free
🛠️ Developer Tools
(2)
8
Dashboard (of JSON Requests)
Dashboard (of JSON Requests)
Dashboard (of JSON Requests)
Dashboard to visualize JSON
Free

This tool allows users to create a personalized dashboard to visualize JSON data, helping them to focus on key information. Users can customize their dashboard to display relevant data, such as sales, weather, or temperature, and keep everything in focus.

🔧 Utilities
(4)
9
JSON Formatter
JSON Formatter
JSON Formatter
Pretty Print JSON
Free

This tool helps you format JSON strings into a readable and properly structured format. Try it out to see your JSON data in a clear and organized way, with options for light and dark display modes.

📊 Productivity
(4)
10
JSON Brace for Safari
JSON Brace for Safari
JSON Brace for Safari
Powerful JSON viewer
Free
$1.99 | 100% OFF

This application turns unreadable JSON responses into beautifully formatted, navigable data structures, allowing users to easily explore and debug JSON data on any webpage. Download for free to access core features, or upgrade to Pro for advanced tools like lightning-fast search and custom expansion levels.

🛠️ Developer Tools
(2)
11
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer & Formatter
JSON Viewer - JSON Formatter
Free
🔧 Utilities
(0)
12
JSON Viewer, Editor & Format
JSON Viewer, Editor & Format
JSON Viewer, Editor & Format
JSON Viewer and Mobile Editor
Free
📚 Education
(0)
13
JSON Master: Editor & Viewer
JSON Master: Editor & Viewer
JSON Master: Editor & Viewer
JSON to CSV, XML, Excel Tool
Free
📊 Productivity
(3)
14
JSONSpruce
JSONSpruce
JSONSpruce
JSON Formatter for Safari
Free
🛠️ Developer Tools
(0)
15
JSON Dashboard
JSON Dashboard
JSON Dashboard
Dashboard for your API
Free
🛠️ Developer Tools
(0)
16
JSON Tools: XLSX CSV to JSON
JSON Tools: XLSX CSV to JSON
JSON Tools: XLSX CSV to JSON
Convert XLSX CSV & XML to JSON
Free

This application allows users to easily convert, validate, view, and manage JSON files, supporting various data formats including XLSX, CSV, and XML. With its comprehensive tools, users can efficiently handle data conversions, validations, and optimizations, making it ideal for developers, data analysts, and technical professionals.

📊 Productivity
(9)
17
Smart JSON & XML Editor
Smart JSON & XML Editor
Smart JSON & XML Editor
Viewer, Formatter & Tools
Free
🛠️ Developer Tools
(0)
18
JSON Beautifier - Clean Data
JSON Beautifier - Clean Data
JSON Beautifier - Clean Data
Prettify and format your JSON
Free
📚 Education
(0)
19
JSON Editor Viewer XML PDF
JSON Editor Viewer XML PDF
JSON Editor Viewer XML PDF
JSON File Editor And Reader
Free

This all-in-one data management application allows users to effortlessly work with various data formats, including JSON, XML, and PDF files, with features such as intuitive editing, syntax highlighting, and file management. Download it today to experience the convenience of managing multiple data formats in a single, powerful app and unlock a new level of productivity in your digital endeavors.

🔧 Utilities
(2)
20
Replit: Vibe Code with AI Fast
Replit: Vibe Code with AI Fast
Replit: Vibe Code with AI Fast
Idea to app, fast
Free

Code projects effortlessly from anywhere with Replit - the ultimate platform supporting hundreds of languages and frameworks. Collaborate in real-time, deploy instantly, clone projects, set up custom domains, and more. Whether you're a beginner or an expert, Replit is your go-to for coding projects on the go!

🛠️ Developer Tools
(18K)