Comparison

API Tool Pro vs Curly

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

Head to head
About

API Tool Pro

Features
Read full description

Network Stream Test is a powerful and user-friendly tool for developers and testers. Effortlessly create, send, and manage HTTP and WebSocket requests, view detailed responses, and organize your API calls with tabs, history, and collections. The app also supports network stream testing, including m3u8 (HLS) video playback, making it ideal for streaming developers. Features include file and image upload, environment variable management, authentication support, and a modern, customizable interface with light and dark themes. Perfect for debugging, learning, and streamlining your API and streaming workflow. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Curly

A native REST API client for iOS and iPad, designed for developers to test and debug APIs efficiently. It supports various request methods, response inspection with syntax highlighting, and collection organization.

Highlights
  • Send GET, POST, PUT, PATCH, DELETE requests
  • Edit query params, headers, auth, and request body
  • JSON syntax highlighting for responses
  • Organize endpoints into collections
  • Import Postman and Bruno collections
  • Environment variables with autocomplete
  • Pre-request and post-response scripts
Features
Read full description

Curly is a native REST API client built for iOS and iPad. Designed for developers who need a fast, lightweight tool to test and debug APIs directly from their device. Features: - Send GET, POST, PUT, PATCH, DELETE requests - Edit query params, headers, auth, and request body - Inspect responses with JSON syntax highlighting - Filter JSON responses with JSONPath expressions - Organize endpoints into collections with emoji icons and nested folders - Drag-and-drop requests between folders - Import Postman and Bruno collections - Import requests by pasting cURL commands - Copy requests as cURL for sharing - Environment variables with autocomplete, inline preview, and bulk import across environments - Pre-request and post-response scripts - View response headers, status codes, timing, and size

Screenshots

API Tool Pro4 screens
Curly4 screens

Verdict

The call

The clearest difference is update cadence: Curly at every 2 days against API Tool Pro's every 3 days. API Tool Pro's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

API Tool Pro ships an update every 3 days, Curly every 2 days. The most recent releases landed on June 26, 2026 and September 15, 2026 respectively.

Scorecard2 real differences ยท 6 level
API Tool Pro versus Curly: the parameters behind the verdict, then further details
ParameterAPI Tool ProCurly
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 3 daysEvery 2 days โ€” better
AdsNoNo
In-app purchasesNoNo
Monetizationโ€”Free
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS12.0 โ€” better17.0
Further details โ€” not scored
Size37 MB5 MB
Age rating4+4+
DeveloperAshen Ishanka CosthaArtem Sharifullin

In-app purchases

None

API Tool Pro

No in-app purchases

None

Curly

No in-app purchases

Questions

Is API Tool Pro free?
API Tool Pro is free to download, with no in-app purchases.
Is Curly free?
Curly is free to download, with no in-app purchases.
Do API Tool Pro or Curly have ads?
Neither API Tool Pro nor Curly shows ads.
Which is updated more often, API Tool Pro or Curly?
API Tool Pro ships an update every 3 days, and Curly every 2 days. Most recently, API Tool Pro was updated on June 26, 2026 and Curly on September 15, 2026.

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