Comparison

API Tool Pro vs PostX

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

PostX

This app allows developers to build and test REST, HTTP, and SOAP APIs directly on their iPhone or iPad. It supports various request methods, authentication types, and body formats, with features for organizing requests and inspecting responses.

Highlights
  • HTTP/HTTPS methods (GET, POST, PUT, DELETE, PATCH)
  • Custom query parameters
  • Basic, Bearer/JWT, OAuth authentication
  • Customizable headers
  • Multiple body formats (raw, binary, GraphQL, form-data)
  • Pre-request and post-response scripting
  • Response viewer with status codes and prettified JSON
  • Request history and workspaces
Features
Read full description

PostX is a powerful yet simple API client for iPhone and iPad for working with REST APIs, HTTP APIs, and even occasional SOAP APIs. Use this REST API client and HTTP API client to quickly build requests, inspect responses, and iterate on your backend without needing a desktop tool. Features of PostX • HTTP/HTTPS methods
Send requests with GET, POST, PUT, DELETE, PATCH, and more so you can cover most modern REST and HTTP APIs in one API client. • Custom parameters
Add query parameters with key, value, and descriptions to keep complex endpoints organized and reusable in your API-client testing workflow. • Authorization
Use Basic, Bearer/JWT, and OAuth-style authentication to connect securely to protected APIs directly from this REST API client for iOS. • Headers
Add custom headers, with common ones like Content-Type and User-Agent ready for quick setup when using this HTTP API client on iPhone and iPad. • Body formats
Build request bodies in raw, binary, GraphQL, form-data, and x-www-form-urlencoded formats to handle most real-world REST and HTTP API scenarios. • Scripts
Insert pre-request and post-response scripts to handle tokens, variables, and simple checks without leaving your API client. • Response viewer
View status codes, headers, and prettified JSON to understand and debug API behavior faster during API-client testing. • History
Automatically save requests and responses so you can rerun, tweak, and reuse them whenever you need inside your API client for iOS. • Workspaces
Create workspaces to organize APIs by project, service, or environment so you can keep related requests grouped and easy to access. Its a great alternative to Postman PostX is an all-in-one REST API client and HTTP API client for iPhone and iPad that brings your desktop API workflow to iOS. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://elevarelab.site/privacy

Screenshots

API Tool Pro4 screens
PostX4 screens

Verdict

The call

The clearest difference is in-app purchases: API Tool Pro at none against PostX's 3. API Tool Pro also leads on update cadence (every 3 days vs every 3 months) and iOS requirement (12.0 vs 17.6). On price, ads and device support 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. PostX sells 3 in-app purchases, starting at $4.99 per 7 days. API Tool Pro asks for nothing beyond the download.

UpkeepUpdate frequency

API Tool Pro ships an update every 3 days, PostX every 3 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
API Tool Pro versus PostX: the parameters behind the verdict, then further details
ParameterAPI Tool ProPostX
PriceFreeFree
Rating—3.0 (10 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—10 — better
Update frequencyEvery 3 days — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size37 MB4 MB
Age rating4+4+
DeveloperAshen Ishanka CosthaAnupkumar Naginbhai Patel

In-app purchases

None

API Tool Pro

No in-app purchases

3 purchases

PostX

Subscriptions3
  • Postmon Pro Weekly$4.997 Days
  • Postmon Pro Monthly$9.991 Month
  • Postmon Pro Yearly$24.991 Year

Questions

Is API Tool Pro free?
API Tool Pro is free to download, with no in-app purchases.
Is PostX free?
PostX is free to download, with in-app purchases available.
Do API Tool Pro or PostX have ads?
Neither API Tool Pro nor PostX shows ads.
Which is updated more often, API Tool Pro or PostX?
API Tool Pro ships an update every 3 days, and PostX every 3 months. Most recently, API Tool Pro was updated on October 13, 2026 and PostX on October 14, 2026.

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