JSON Tools vs Advanced JSON Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JSON Tools
A comprehensive toolkit for developers to visualize, validate, convert, and generate code from JSON data. It offers features like interactive tree views, schema generation, and code export for multiple programming languages.
- Interactive Tree View and JSONPath querying
- Convert JSON to XML, CSV, YAML, and more
- Generate type-safe model classes for multiple languages
- Auto-generate JSON Schema for validation
- Dedicated JSON syntax keyboard overlay
- Background processing for large datasets
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A complete JSON viewer, formatter, editor, validator and converter for iPhone and iPad. Open JSON files, inspect complex data, format and edit content, validate schemas, compare documents, convert between formats and generate model code from one focused developer tool. VIEW AND EXPLORE JSON • Browse JSON using an interactive Tree View • Inspect arrays using Table View • Query data with JSONPath • Search and navigate complex documents • Work with multiple files using tabs FORMAT AND EDIT • Format and prettify JSON • Minify JSON instantly • Find and replace • Syntax highlighting with line numbers • Open JSON files directly from Files, Mail, Safari and other apps VALIDATE JSON • Validate JSON syntax • Validate documents against JSON Schema • Generate JSON Schema from existing JSON • See validation errors while you work CONVERT JSON Convert JSON to: • YAML • XML • CSV • TSV • TOML • HTML • Markdown • Base64 • TOON GENERATE CODE Generate model classes for: • Swift • Kotlin • TypeScript • C# • Java • Python • Dart COMPARE JSON Compare two JSON documents side by side and quickly identify added, removed and changed values, including differences inside nested objects. BUILT FOR DEVELOPERS JSON Tools is designed for inspecting API responses, working with configuration files, debugging structured data, validating payloads and converting JSON while away from your desktop. Your privacy matters. JSON Tools does not collect your data.
Advanced JSON Viewer
This tool enhances JSON data viewing and editing within Safari and on your device. It offers beautiful formatting, syntax highlighting, and an interactive editor for efficient JSON management.
- Open and save JSON files
- Beautiful JSON formatting
- Syntax highlighting
- Interactive editor
- Light & dark modes
- Error detection
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Advanced JSON Viewer transforms raw JSON data into an elegant, interactive viewing experience right in Safari and now supports opening and saving JSON files directly from your device. Key Features: • Open JSON Files: Open and view JSON files from your device with powerful formatting • Save JSON Files: Edit and save your JSON data directly to your device • Beautiful JSON Formatting: Instantly transforms unformatted JSON into a clean, readable format • Syntax Highlighting: Makes JSON structure easily readable with color-coded elements • Light & Dark Modes: Automatically switches between themes based on your system preferences • Customizable Themes: Choose from a wide selection of professional color schemes • Interactive Editor: Edit JSON directly in the browser with the powerful Ace editor • Settings Toolbar: Quick access to all viewing preferences in one convenient panel • Adjustable Settings: Customize font size, tab width, and other viewing preferences • Invisible Characters: Option to display invisible characters for precise editing • Fast & Efficient: Works instantly on any JSON page or file without slowing down your experience • Error Detection: Highlights JSON syntax errors as you type • Toggle Views: Switch between raw and formatted views with a single click Perfect for developers, QA engineers, API testers, and anyone who works with JSON data. Advanced JSON Viewer makes reading, editing, and saving JSON in Safari and local files a delightful experience. Built with attention to detail and performance, this app seamlessly enhances your JSON workflow whether you're browsing API responses online or examining and editing local configuration files. Available as a universal purchase - buy once and use it on Mac, iPhone, iPad, and Vision Pro.
Screenshots
Verdict
The clearest difference is review sentiment: Advanced JSON Viewer at 40% against JSON Tools's 0%. JSON Tools's advantage is update cadence (every 2 weeks vs every 6 weeks) and chart position (#37 vs #191). On ads, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
JSON Tools costs $0.99 and Advanced JSON Viewer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
JSON Tools ships an update every 2 weeks, Advanced JSON Viewer every 6 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.
| Parameter | JSON Tools | Advanced JSON Viewer |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | — | 3.3 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 40.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #37 — better | #191 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohammed Aadhil | Acrogenesis LLC |
Customer experience
JSON Tools
Advanced JSON Viewer
In-app purchases
JSON Tools
No in-app purchases
Advanced JSON Viewer
No in-app purchases
Questions
Is JSON Tools free?
Is Advanced JSON Viewer free?
Do JSON Tools or Advanced JSON Viewer have ads?
Which is updated more often, JSON Tools or Advanced JSON Viewer?
Which is more popular, JSON Tools or Advanced JSON Viewer?
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