Comparison

Curly vs Json Genie

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

Json Genie

This app provides a fast and private way to view, edit, compare, and merge JSON files directly on your device. It offers a clear tree structure for browsing, powerful search capabilities, and formatting options without needing an account or cloud upload.

Highlights
  • View JSON in a tree structure
  • Edit JSON data safely
  • Compare JSON files
  • Merge JSON files
  • Search keys, values, and paths
  • Format and minify JSON
  • Private local workflow
Features
Read full description

**Open JSON. Know what’s inside.** Open, understand and edit JSON on your iPhone or iPad without working through a wall of raw text. Whether someone sent you a JSON file or you regularly work with API responses and configuration files, Json Genie makes it easy to explore your data, find what matters and make changes. No coding needed. No account required. Your JSON is processed on your device. **OPEN YOUR JSON, YOUR WAY** Open JSON and JSONC from: • Files on your device • Mail, shared files and other apps • Cloud storage apps • Pasted text • Web links and API URLs • Supported ZIP archives **EXPLORE WITHOUT GETTING LOST** Browse your file in a clear, structured view. Open nested sections and lists (JSON objects and arrays) one level at a time, then easily find your way back. Keep multiple files open in tabs and switch between them without reopening them. **EDIT WITHOUT THE FUSS** Change values in simple forms without manually managing commas, brackets or quotation marks. • Edit text, numbers, true/false values and null • Add, delete, clone, move and reorder entries • Work with objects, arrays and individual values • Copy and reuse data with paste history **FIND IT. SKIP THE SCROLL.** Search keys, values and paths across your file, then jump directly to matching results. Need a more precise search? Use filters such as: • id: 3 • game.id: 3 • city: "Austin" **SEE EXACTLY WHAT CHANGED** Compare two JSON files or open tabs. Inspect differences in objects, arrays and values with clear before-and-after details. Check changes directly on your device without uploading your JSON to an online comparison tool. **BRING YOUR FILES TOGETHER** Merge JSON files into one new result while keeping your originals unchanged. Review the merge summary, inspect the combined data, then save or share it. **SAVE IT THE WAY YOU NEED IT** Choose readable formatting for people or a compact file for sharing and other tools. • Pretty-print and beautify JSON • Minify JSON by removing unnecessary spacing • Sort keys alphabetically • View raw JSON text • Save or share JSON as text or as a file **YOUR JSON, PROCESSED LOCALLY** Opening, viewing, editing, searching, comparing, merging and formatting happen on your device. Your JSON content is not uploaded to our servers for these operations. No account required. You choose when to export or share your files. **FREE TO USE. OPTIONAL PREMIUM.** Start using Json Genie for free. Premium removes ads, expands file and tab limits, increases history and unlocks extra themes.

Screenshots

Curly3 screens
Json Genie4 screens

Verdict

The call

The clearest difference is in-app purchases: Curly at none against Json Genie's 1. Curly also leads on rating (5.0 vs 4.7). Json Genie's advantage is update cadence (every 10 days vs monthly) and ratings volume (6 vs 1). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Json Genie sells 1 one-off in-app purchase. Curly asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Curly holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Json Genie has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Curly ships an update monthly, Json Genie every 10 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
Curly versus Json Genie: the parameters behind the verdict, then further details
ParameterCurlyJson Genie
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (6 ratings)
Positive reviews100.0% of reviews—
Number of ratings16 — better
Update frequencyMonthlyEvery 10 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size8 MB58 MB
Age rating17+4+
DeveloperDropletAppsTommy Uytterhaegen

Customer experience

Curly

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

Json Genie

All ratings5 ratings
Positive80.0%
Neutral20.0%
Negative0.0%

In-app purchases

None

Curly

No in-app purchases

1 purchases

Json Genie

One-time1
  • Json Genie Premium$3.99

Questions

Is Curly free?
Curly is free to download, with no in-app purchases.
Is Json Genie free?
Json Genie is free to download, with in-app purchases available.
Which has better reviews, Curly or Json Genie?
Curly is rated higher. Curly averages 5.0 out of 5 from 1 ratings, while Json Genie averages 4.7 from 6 ratings.
Do Curly or Json Genie have ads?
Both Curly and Json Genie show ads.
Which is updated more often, Curly or Json Genie?
Curly ships an update monthly, and Json Genie every 10 days. Most recently, Curly was updated on October 25, 2026 and Json Genie on October 28, 2026.

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