Best Websocket Client App

Simple WebSocket Client

by Yuya Asamura

Free

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.

API & HTTP Client

MCP, API & WebSocket Debugger

Free

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.

WSS WebSocket Client

Developer tool for testing WSS

$1.99

This tool allows developers to easily test communication with WebSocket servers. It offers features like session logging, message copying, automatic pong responses, and connection history for quick re-connections on iPhone and iPad.

API Dash - API Client, Testing

API Client to easily test APIs

Free

Easily create, customize, and test various HTTP API requests. Organize your requests into collections and preview multimedia responses like images and PDFs. Generate code snippets for integration into your projects.

Hurl Client

HTTP Client & API Tester

Free

A modern, open-source API client for iOS devices. Test REST, GraphQL, and WebSocket APIs with features like a GraphQL query editor, request organization, and environment variables. Works fully offline and supports dark/light themes.

API Bot

API calls at your fingertips

Free

This tool empowers mobile developers to build and test APIs directly on their phones. It leverages on-device machine learning to analyze API results, identify patterns, and troubleshoot issues. Organize requests, manage data formats like JSON and XML, and collaborate with your team.

MQTT Debug & Analyzer Client

IoT Monitor & Protocol Tool

Free

This utility helps IoT developers and network engineers debug, monitor, and analyze MQTT traffic. It offers advanced connectivity, full MQTT 5.0 support, and intuitive data visualization tools. Seamlessly integrates with major IoT platforms.

Reqeast

Native API Client

Free

Test various network protocols including HTTP, WebSockets, SSE, TCP, TLS, and UDP. Build and send requests, manage environments, and generate code snippets. Organize projects and sync across devices via iCloud.

API Tester REST API HTTP SOAP

Test your API Client HTTP.

Free

This application provides a unified environment for developers and QA engineers to test, debug, and analyze various API types including REST, GraphQL, WebSocket, SOAP, JSON RPC, and XML. It offers features like CRUD operations, authentication support, query validation, real-time interaction, and WSDL file loading for comprehensive API testing.