Comparison

Curly vs Smart JSON & XML Editor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Automatic JSON detection
  • Syntax highlighting
  • Interactive JSON view
  • Lightweight browser extension
  • Boosts developer productivity
Features
Read full description

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.

About

Smart JSON & XML Editor

This app provides developers, testers, and data analysts with a comprehensive mobile toolkit for working with structured data. It offers multiple editing modes, formatting, conversion between JSON and XML, and powerful data manipulation tools for efficient data management on the go.

Highlights
  • Multiple editing modes (Tree, Source, List)
  • Syntax highlighting
  • One-tap format and minify
  • JSON to XML and XML to JSON conversion
  • Add, delete, rename, duplicate, copy/paste data
  • Import from device, clipboard, or URL
  • Local file management
Features
Read full description

"Smart JSON & XML Editor is the all-in-one mobile toolkit for developers, testers, and data analysts who work with structured data every day. Whether you are debugging API responses, editing configuration files, formatting complex nested objects, or converting between JSON and XML formats — this app provides everything you need in a single, fast, and reliable experience. THREE POWERFUL EDITING MODES Switch instantly between three professional editing views to work the way you prefer: Tree View — Navigate and edit your data in a collapsible, hierarchical tree structure. Expand, collapse, and modify nodes with a tap. See the full structure of your data at a glance and make precise edits without touching raw code. Source View — Work directly with raw code in a professional editor featuring syntax highlighting, line numbers, search, code folding, and adjustable font size. Toggle between Edit mode and View mode for safe browsing. List View — Browse key-value pairs in a clean, flat layout for quick scanning and editing. Perfect for finding specific values in large files. SMART SOURCE EDITOR The built-in code editor gives you a desktop-class experience on your mobile device: • Syntax highlighting for both JSON and XML with distinct colors for keys, values, strings, numbers, and brackets • Line numbers for precise navigation and reference • Search functionality to find any key, value, or text instantly • Code folding to collapse sections and focus on what matters • Adjustable font size for comfortable reading on any screen • Edit mode and View mode toggle for safe browsing ONE-TAP FORMAT & MINIFY Transform messy, minified, or unreadable data into clean, beautifully indented and formatted output with a single tap. Or minify formatted data for compact storage and network transmission. Works seamlessly for both JSON and XML files. JSON ↔ XML CONVERSION Convert any JSON file to XML or any XML file to JSON with one tap. The app automatically updates the file extension and preserves your data structure. This is perfect for developers working across different systems, APIs, and platforms that use different data formats. POWERFUL DATA OPERATIONS Take full control of your data with comprehensive editing tools: • Add new keys, values, objects, and arrays at any position • Delete single items or entire branches of your data tree • Rename keys without disrupting the structure • Duplicate nodes and entire subtrees for quick replication • Copy and paste data across documents • Multi-select mode for batch operations on multiple nodes at once — delete, move, or copy several items simultaneously FLEXIBLE IMPORT OPTIONS Open data from anywhere. Import files from your device storage, paste JSON or XML content directly from your clipboard, or load data from any URL. No matter how your data arrives, this app handles it instantly. LOCAL FILE MANAGEMENT All your files are organized in the app's built-in document manager. Create new files, rename existing ones, delete files you no longer need, and quickly access your recent files from the history. Your work is always saved locally and ready when you need it. BUILT FOR DEVELOPERS Smart JSON & XML Editor is designed for professionals who need a reliable, fast, and offline-capable tool for structured data. No accounts required. No cloud dependencies. No unnecessary features. Just open the app and start working with your JSON and XML files. Download Smart JSON & XML Editor today and experience the most powerful way to work with JSON and XML on your mobile device."

Screenshots

Curly3 screens
Smart JSON & XML Editor4 screens

Verdict

The call

Curly and Smart JSON & XML Editor both sit at 5.0 stars, but that hides the real split: 100% of Curly's written reviews are positive against 50% of Smart JSON & XML Editor's. Curly also leads on update cadence (monthly vs every 8 months) and iOS requirement (15.0 vs 26.2). Smart JSON & XML Editor's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Curly against 5.0 for Smart JSON & XML Editor. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 100% of Curly's written reviews are positive against 50% of Smart JSON & XML Editor's.

UpkeepUpdate frequency

Curly ships an update monthly, Smart JSON & XML Editor every 8 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
Curly versus Smart JSON & XML Editor: the parameters behind the verdict, then further details
ParameterCurlySmart JSON & XML Editor
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings11
Update frequencyMonthly — betterEvery 8 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.2
Further details — not scored
Size8 MB7 MB
Age rating17+4+
DeveloperDropletAppsAhmet Yilmaz

Customer experience

Curly

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Smart JSON & XML Editor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

None

Curly

No in-app purchases

None

Smart JSON & XML Editor

No in-app purchases

Questions

Is Curly free?
Curly is free to download, with no in-app purchases.
Is Smart JSON & XML Editor free?
Smart JSON & XML Editor is free to download, with no in-app purchases.
Which has better reviews, Curly or Smart JSON & XML Editor?
Curly and Smart JSON & XML Editor are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Curly or Smart JSON & XML Editor have ads?
Curly shows ads; Smart JSON & XML Editor does not.
Which is updated more often, Curly or Smart JSON & XML Editor?
Curly ships an update monthly, and Smart JSON & XML Editor every 8 months. Most recently, Curly was updated on October 30, 2026 and Smart JSON & XML Editor on November 5, 2026.

Other comparisons