Test various APIs directly from your mobile device. Supports REST, GraphQL, WebSockets, and more, with advanced editors and request customization. Share requests easily and manage cookies and history.
Summarized from real user reviews of Tester. Based on 570 reviews and a 4.7/5 average, it highlights the 7 positives and 5 negatives reviewers mention most about this Developer Tools app.
8.12
September 14, 2026
- Modernization, bug fixes and performance improvements.
Premium access for 1 month
$79.99
Tester Plus Lifetime
One-time purchase. Premium access, forever.
3 issues
Deleting all saved requests after updates
App launching to a black screen
5 requests
Add support for environment variables
Implement folders/collections management
This app supports testing a wide range of API types, including REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS. You can perform various HTTP requests like GET, POST, PUT, and more.
You can import requests easily by providing a curl command, a link, or a file. The app supports importing collections in formats like Swagger, OpenAPI, and Postman.
Yes, it includes a powerful GraphQL editor that provides a full-scale experience. This includes a body editor for Queries, Mutations, and Subscriptions, a variables editor, and a documentation explorer.
Absolutely. The app features a dedicated WebSocket testing tool that handles connection and message exchange via WS or WSS protocols.
Based on the provided information, the app is free to use and does not have in-app purchases or ads. This means you can access all its features without any cost.
