Apps Like Cosmo: mobile postman for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Rest – HTTP API Client
Silvan Daehn
Send requests with custom headers and bodies
Enables users to send requests with support for JSON, form, and multipart bodies. Features include syntax highlighting, error reporting, custom methods, header and authentication setup, and insecure SSL options.


HTTPBot: API & HTTP Client
Arvindh Sukumar
Send requests and debug APIs
Send and test /HTTPS requests with response inspection. Debug APIs remotely using WebSockets. View and edit JSON, HTML, XML, and raw text data. Import and export Postman collections for team collaboration.

Tester - Super Intelligence
FJEDI LTDA
Test APIs and view responses
Allows users to test various APIs including REST, GraphQL, WebSocket, and more. Send HTTP requests with methods like GET, POST, and DELETE. Edit GraphQL queries, mutations, and subscriptions. Connect to WebSockets and send messages.

Endpoint: Http Client
Enes Genc
Test APIs, organize requests, streamline workflows
Test APIs with support for GET, POST, PUT, DELETE, and PATCH methods. Customize headers, query parameters, and request bodies. Organize requests and manage test cases. Integrate with macOS features for a native development experience.














How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.