Simple WebSocket Client vs API Tester REST API HTTP SOAP
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
Read full descriptionHide full description
This app is a WebSocket Client. The app can add HTTP headers as needed when connecting. Successful connections are saved for later review.
API Tester REST API HTTP SOAP
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.
- REST API Testing (CRUD, HTTP methods)
- GraphQL query and mutation testing
- Real-time WebSocket interaction
- SOAP API testing with WSDL import
- JSON RPC and XML API testing
- Import/export test configurations
- Integrated logs and reports
Read full descriptionHide full description
API Tester REST API HTTP SOAP API Tester REST API HTTP SOAP is a comprehensive testing tool designed to facilitate seamless and accurate testing of multiple API types and formats. With this application, developers and QA engineers can test, debug, and analyze APIs in a unified environment. Features REST API Testing Perform CRUD operations easily through a user-friendly interface. Test endpoints with various HTTP methods (GET, POST, PUT, DELETE, etc.) Support for authentication methods such as OAuth, Basic Auth, and API keys. GraphQL Support Run queries and mutations to validate your GraphQL APIs. Test multiple GraphQL endpoints. WebSocket Testing Interact with WebSocket services in real-time to verify connections and message passing. SOAP API Testing Load WSDL files to auto-generate test configurations. Validate SOAP requests and responses. JSON RPC and XML Testing Specialized testing for JSON RPC and XML-based APIs. Support for batch requests and parameter validation. Additional Features Import and export test configurations for easy sharing. Integrated logs and reports for detailed test analysis. Environment variable support to simulate different environments. Benefits User-Friendly Designed with a clean and intuitive interface, users can easily set up and execute API tests without steep learning curves. Versatile Whether you are working with REST, GraphQL, WebSocket, SOAP, JSON RPC, or XML, the app provides a unified platform to perform various types of API tests. Time-Efficient Automate repetitive tests and save configurations, making the process significantly faster and more efficient. Collaborative Export your tests and share them with your team to ensure consistency and boost productivity. Accurate Built-in validators and real-time log tracking ensure that the APIs are rigorously tested for reliability, performance, and security. Who Should Use This App? Software Developers QA Engineers API Testers Backend Developers DevOps Engineers With API Tester REST API HTTP SOAP, test your APIs with confidence, ensuring robust and high-performing applications.
Screenshots
Verdict
The clearest difference is ads: API Tester REST API HTTP SOAP at none against Simple WebSocket Client's shown. API Tester REST API HTTP SOAP also leads on update cadence (daily vs every 3 months) and ratings volume (15 vs 1). Simple WebSocket Client's advantage is rating (5.0 vs 4.7). On price and in-app purchases 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.
Simple WebSocket Client holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: API Tester REST API HTTP SOAP has 15 ratings behind it against 1, so its average is the more settled of the two.
Simple WebSocket Client ships an update every 3 months, API Tester REST API HTTP SOAP daily. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.
| Parameter | Simple WebSocket Client | API Tester REST API HTTP SOAP |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.7 (15 ratings) |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | 1 | 15 — better |
| Update frequency | Every 3 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuya Asamura | NEURASYNC |
Customer experience
Simple WebSocket Client
API Tester REST API HTTP SOAP
In-app purchases
Simple WebSocket Client
No in-app purchases
API Tester REST API HTTP SOAP
No in-app purchases
Questions
Is Simple WebSocket Client free?
Is API Tester REST API HTTP SOAP free?
Which has better reviews, Simple WebSocket Client or API Tester REST API HTTP SOAP?
Do Simple WebSocket Client or API Tester REST API HTTP SOAP have ads?
Which is updated more often, Simple WebSocket Client or API Tester REST API HTTP SOAP?
Other comparisons















