JSON Prettify vs Curly
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!
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 update cadence: JSON Prettify at every 5 days against Curly's monthly. On price, rating, review sentiment and ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for JSON Prettify against 5.0 for Curly. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
JSON Prettify ships an update every 5 days, Curly monthly. The most recent releases landed on September 10, 2026 and August 20, 2026 respectively.
| Parameter | JSON Prettify | Curly |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 5 days — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 8 MB |
| Age rating | +4 | 17+ |
| Developer | Jean-Philippe DESCAMPS | DropletApps |
Customer experience
JSON Prettify
Curly
In-app purchases
JSON Prettify
No in-app purchases
Curly
No in-app purchases
Questions
Is JSON Prettify free?
Is Curly free?
Which has better reviews, JSON Prettify or Curly?
Do JSON Prettify or Curly have ads?
Which is updated more often, JSON Prettify or Curly?
Other comparisons
