JSON Prettify vs JSON Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JSON Prettify
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 formatting
- Detailed error messages for invalid JSON
- Compact mode for compressed view
- User-friendly interface
- JSON validation
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JSON Prettify is designed to make working with JSON data easier and more efficient. Whether you’re a developer debugging API responses or a data enthusiast exploring structured information, JSON Prettify provides a clean, intuitive experience for both formatting and validating JSON. • Quick and Clear Formatting: Instantly transform unreadable JSON into a clean, well-organized structure. • Detailed Error Messages: When JSON isn’t valid, JSON Prettify provides precise error messages to help you find exactly what’s wrong. • Compact Mode: Switch to a compressed view to minimize the JSON structure without losing essential information. • User-Friendly Interface: Enjoy a seamless experience designed with developers in mind. JSON Prettify is your lightweight, powerful tool for error-free, organized JSON. Get started today and streamline your JSON workflow!
JSON Tools
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 nodes
- Raw text editor with syntax highlighting
- Advanced search with JSONPath support
- Visual JSON file comparison
- Open JSON from device or URL
- Save and copy JSON content
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JSON Tools is a fast, modern JSON workbench built for developers who live inside APIs. WHAT YOU CAN DO • Explore large JSON files in tree or raw view with collapsible nodes • Edit with line-numbered syntax highlighting, Undo/Redo, and smart indent • Catch errors as you type with instant JSON validation and clear messages • Compare two JSON documents line by line with the diff engine • Generate strongly-typed Dart model classes in one tap • Spin up realistic mock data for unit tests in seconds • Visualize structure as a connected graph with Graph View BUILT FOR Flutter / Dart developers, backend engineers, QA engineers, and anyone who wrestles with JSON every day. EXPERIENCE Personalized Light and Dark themes, smooth animations, and an ad-free Premium option for focused work. Take control of your JSON—download JSON Tools now.
Screenshots
Verdict
The clearest difference is review sentiment: JSON Prettify at 100% against JSON Tools's 0%. JSON Prettify also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 1). On price, ratings volume, ads 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
Both are free to download. JSON Tools sells 1 one-off in-app purchase. JSON Prettify asks for nothing beyond the download.
JSON Prettify holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 100% of JSON Prettify's written reviews are positive against 0% of JSON Tools's.
JSON Prettify ships an update every 5 days, JSON Tools fortnightly. The most recent releases landed on October 9, 2026 and September 27, 2026 respectively.
| Parameter | JSON Prettify | JSON Tools |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Jean-Philippe DESCAMPS | OKAN KAYCI |
Customer experience
JSON Prettify
JSON Tools
In-app purchases
JSON Prettify
No in-app purchases
JSON Tools
- JSON Tools Premium$4.99








