Comparison

API Tool Pro vs API Client

Price, ratings, monetisation and update history for both apps, side by side — 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

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. ā–ø 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 — all in one view. ā–ø 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. ā–ø 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. ā–ø 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. ā–ø 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. ā–ø 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. ā–ø TEST SUITES & ASSERTIONS Group requests into test suites. Add response assertions — validate status codes, check JSON fields, verify headers. Run all tests with one tap. ā–ø API DOCS GENERATOR Generate shareable PDF documentation for any endpoint — method, URL, headers, body, response samples, and status codes included. WORKS GREAT FOR • Developers testing REST APIs from anywhere • Students learning HTTP methods and API concepts • QA engineers validating endpoints • DevOps checking microservice health • 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 — just open and test. SUBSCRIPTION AND PRICING • RESTPilot Pro Lifetime — $9.99, one payment • RESTPilot Pro Monthly — $1.99 per month, renews automatically • Payment is charged to your Apple Account at confirmation of purchase • A subscription renews unless it is cancelled at least 24 hours before the end of the current period • 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

API Tool Pro4 screens
API Client4 screens

Verdict

The call

The clearest difference is in-app purchases: API Tool Pro at none against API Client's 2. API Tool Pro also leads on update cadence (every 3 days vs every 10 days) and iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. API Client sells 2 in-app purchases, starting at $1.99 per month. API Tool Pro asks for nothing beyond the download.

UpkeepUpdate frequency

API Tool Pro ships an update every 3 days, API Client every 10 days. The most recent releases landed on June 26, 2026 and September 25, 2026 respectively.

Scorecard3 real differences Ā· 5 level
API Tool Pro versus API Client: the parameters behind the verdict, then further details
ParameterAPI Tool ProAPI Client
PriceFreeFree
Positive reviews—0.0% of reviews
Update frequencyEvery 3 days — betterEvery 10 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size37 MB41 MB
Age rating4+17+
DeveloperAshen Ishanka CosthaSahana A S

In-app purchases

None

API Tool Pro

No in-app purchases

2 purchases

API Client

Subscriptions1
  • RESTPilot Pro Monthly$1.991 Month
One-time1
  • Ad Free experience$9.99

Questions

Is API Tool Pro free?
API Tool Pro is free to download, with no in-app purchases.
Is API Client free?
API Client is free to download, with in-app purchases available.
Do API Tool Pro or API Client have ads?
Neither API Tool Pro nor API Client shows ads.
Which is updated more often, API Tool Pro or API Client?
API Tool Pro ships an update every 3 days, and API Client every 10 days. Most recently, API Tool Pro was updated on June 26, 2026 and API Client on September 25, 2026.

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