JSON Tree vs Curly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JSON Tree
This app provides a lightweight way to view and format JSON data. It offers features like collapsing nodes, exporting type declarations for various languages, and handling large files efficiently with lazy loading. Seamless system integration and customizable themes enhance the user experience.
- JSON tree structure preview
- Export type declarations (Java, TS, Go)
- Collapse and expand nodes
- Lazy loading for large files
- Smart copying of JSON objects
- Drag and drop support
- Customizable themes and font sizes
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A lightweight JSON tree structure previewer with no other dependencies. - Supports exporting type declarations for languages such as Java, TS, and Go - Instantly collapse and expand tree nodes for precise data exploration - Blazing fast performance: 100% native code, zero external libraries - Effortless handling of large files via **Lazy Loading** - Smart copying of full JSON objects, regardless of node collapse state - Seamless system integration: Supports drag & drop, Shared files, and "Open with" from context menus - Enhanced file access: Directly supports "file:///" location paths - Clear data overview: Displays array length/count for quick assessment - Full customization: Includes multiple dark/light theme options and custom font sizing
Curly
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 detection
- Syntax highlighting
- Interactive JSON view
- Lightweight browser extension
- Boosts developer productivity
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Tired of squinting at messy blocks of raw JSON text in browser? It’s time to make your data readable. Curly is a lightweight, native browser extension. It automatically detects JSON content on any webpage and instantly transforms it into a perfectly structured, syntax-highlighted interactive view. Whether you are a backend developer debugging APIs or a frontend engineer inspecting data structures, Curly will significantly boost your productivity.
Screenshots
Verdict
The clearest difference is review sentiment: Curly at 100% against JSON Tree's 0%. Curly also leads on price (Free vs $2.99). JSON Tree's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement 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
Curly is free to download; JSON Tree costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
JSON Tree ships an update every 3 weeks, Curly monthly. The most recent releases landed on October 16, 2026 and September 26, 2026 respectively.
| Parameter | JSON Tree | Curly |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 8 MB |
| Age rating | 4+ | 17+ |
| Developer | 金攀 虞 | DropletApps |
Customer experience
JSON Tree
Curly
In-app purchases
JSON Tree
No in-app purchases
Curly
No in-app purchases
