Comparison

Curly vs API Client

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

Head to head
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

About

API Client

Test REST APIs directly from your mobile device. Paste URLs, select methods, and view detailed responses including status codes, headers, and formatted JSON. Manage environments, save requests, and even import/export cURL commands.

Highlights
  • Paste URL and send requests
  • Smart JSON viewer with search
  • Environment management
  • Collections and history
  • cURL import and export
  • API monitoring
  • Test suites and assertions
  • API docs generator
Features
Read full description

Test any API right from your phone. Paste a URL, hit send, see the response. API Client is a lightweight REST and HTTP tester. No account needed. No cloud sync. No setup. Just open the app and start testing. โ–ธ JUST PASTE & SEND Enter any URL, pick a method (GET, POST, PUT, PATCH, DELETE), and tap Send. See status codes, response time, headers, and formatted JSON โ€” all in one view. โ–ธ SMART JSON VIEWER Collapsible JSON tree with search, tap-to-copy, and syntax highlighting. Format or minify JSON with one tap. Build request bodies visually without typing raw JSON. โ–ธ ENVIRONMENTS Switch between development, staging, and production with one tap. Each environment stores its own base URL, bearer token, API key, and custom headers. Use {{variables}} across all requests. โ–ธ COLLECTIONS & HISTORY Save requests to collections. Pin favorites for quick access. Full history grouped by date with one-tap rerun. Search across all saved requests. โ–ธ cURL IMPORT & EXPORT Paste any cURL command to import instantly. Export any request as cURL to share with your team or use in terminal scripts. โ–ธ API MONITORING Set up automatic health checks for your endpoints. Get push notifications when an API goes down or degrades. Track incidents and recovery times. โ–ธ TEST SUITES & ASSERTIONS Group requests into test suites. Add response assertions โ€” validate status codes, check JSON fields, verify headers. Run all tests with one tap. โ–ธ API DOCS GENERATOR Generate shareable PDF documentation for any endpoint โ€” method, URL, headers, body, response samples, and status codes included. WORKS GREAT FOR โ€ข Developers testing REST APIs from anywhere โ€ข Students learning HTTP methods and API concepts โ€ข QA engineers validating endpoints โ€ข DevOps checking microservice health โ€ข Anyone who needs an API client on mobile WHY API CLIENT? This app runs entirely on your device. Your API keys and tokens stay on your phone. No sign-up required โ€” just open and test. SUBSCRIPTION AND PRICING โ€ข RESTPilot Pro Lifetime โ€” $9.99, one payment โ€ข RESTPilot Pro Monthly โ€” $1.99 per month, renews automatically โ€ข Payment is charged to your Apple Account at confirmation of purchase โ€ข A subscription renews unless it is cancelled at least 24 hours before the end of the current period โ€ข Manage or cancel anytime in your Apple Account settings Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cosmovex.web.app/apps/restpilot/privacy-policy

Screenshots

Curly4 screens
API Client4 screens

Verdict

The call

The clearest difference is review sentiment: Curly at 100% against API Client's 0%. Curly also leads on update cadence (every 2 days vs every 10 days) and monetization model (free vs free with in-app purchases). API Client's advantage is iOS requirement (14.0 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

Curly ships an update every 2 days, API Client every 10 days. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

Scorecard4 real differences ยท 4 level
Curly versus API Client: the parameters behind the verdict, then further details
ParameterCurlyAPI Client
PriceFreeFree
Positive reviews100.0% of reviews โ€” better0.0% of reviews
Update frequencyEvery 2 days โ€” betterEvery 10 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree โ€” betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.014.0 โ€” better
Further details โ€” not scored
Size5 MB41 MB
Age rating4+17+
DeveloperArtem SharifullinSahana A S

Customer experience

Curly

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

API Client

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Curly

No in-app purchases

None

API Client

No in-app purchases

Questions

Is Curly free?
Curly is free to download, with no in-app purchases.
Is API Client free?
API Client is free to download, with no in-app purchases.
Do Curly or API Client have ads?
Neither Curly nor API Client shows ads.
Which is updated more often, Curly or API Client?
Curly ships an update every 2 days, and API Client every 10 days. Most recently, Curly was updated on September 15, 2026 and API Client on September 20, 2026.

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