Simple WebSocket Client vs API & HTTP Client
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple WebSocket Client
Connect to WebSocket servers with customizable HTTP headers. Save successful connections for easy access and review. This tool is designed for developers needing to test WebSocket endpoints.
- WebSocket client functionality
- Add custom HTTP headers
- Save successful connections
- Review connection history
- Developer tool
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This app is a WebSocket Client. The app can add HTTP headers as needed when connecting. Successful connections are saved for later review.
API & HTTP Client
This powerful tool allows developers to send and debug API requests, including REST, GraphQL, and WebSockets, directly from their mobile device. It offers comprehensive features for testing, inspecting responses, and managing API workflows with support for various authentication methods and import/export options.
- API client and request testing
- REST, GraphQL, and WebSocket support
- MCP (Model Context Protocol) integration
- JSON viewer and response inspector
- OpenAPI, Swagger, and Postman import/export
- Multiple authentication methods
- Environment variables and workflow automation
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This app is a powerful API Client and API Testing tool built for developers who need to send requests, inspect responses, and debug APIs anytime, anywhere. Whether you're working with REST APIs, GraphQL, WebSockets, or MCP (Model Context Protocol) servers, the app provides everything you need in one place. Test APIs faster, troubleshoot issues efficiently, and analyze responses with an intuitive interface designed for both beginners and experienced developers. - Key Features: + API Client & Request Testing * Send HTTP and HTTPS requests using GET, POST, PUT, DELETE, PATCH, HEAD, and OPTIONS. * Create and edit requests with an intuitive request editor. * View detailed request and response information, including headers, body, status code, response time, payload size, SSL details, and more. * Debug APIs without needing access to your desktop or terminal. + REST API, GraphQL & WebSocket Support * Test and debug REST APIs with ease. * Native GraphQL support with query editor, variables editor, and schema explorer. * Connect to WebSocket servers for real-time communication and testing. + MCP (Model Context Protocol) * Connect to remote MCP servers * Browse available tools, prompts, and resources. * Invoke MCP tools directly from the app. + JSON Viewer & Response Inspector * Automatically format and highlight JSON, HTML, XML, and plain text responses. * Easily inspect API responses for debugging and development. * Filter response data using JSONPath and XPath expressions. + OpenAPI, Swagger & Postman * Import and export Postman Collections and Environments. * Sync collections with your Postman Cloud account. * Support for OpenAPI and Swagger specifications. * Browse API documentation directly inside the app. + Authentication Supports multiple authentication methods, including: * Basic Authentication * Digest Authentication * OAuth 1.0a * OAuth 2.0 * JWT (JSON Web Token) * Additional authentication schemes with secure credential storage. + Productivity * Save reusable variables using Environments. * Import and export collections through iCloud Drive, Dropbox, and other document providers. * Automate API workflows with Apple Shortcuts. Whether you're a backend developer, mobile developer, frontend engineer, QA tester, or DevOps engineer, this app provides a complete solution for API testing, API debugging, REST API development, GraphQL, WebSocket, MCP, and OpenAPI workflows—all from your mobile device.
Screenshots
Verdict
The clearest difference is ads: API & HTTP Client at none against Simple WebSocket Client's shown. API & HTTP Client also leads on monetization model (free vs ad-supported) and ratings volume (4 vs 1). On price, rating, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Simple WebSocket Client against 5.0 for API & HTTP Client. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
| Parameter | Simple WebSocket Client | API & HTTP Client |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 3 months | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 26 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuya Asamura | Thien An Studio LLC |
Customer experience
Simple WebSocket Client
API & HTTP Client
In-app purchases
Simple WebSocket Client
No in-app purchases
API & HTTP Client
No in-app purchases
Questions
Is Simple WebSocket Client free?
Is API & HTTP Client free?
Which has better reviews, Simple WebSocket Client or API & HTTP Client?
Do Simple WebSocket Client or API & HTTP Client have ads?
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