Instead of Apollo Studio
Apollo Studio alternatives
Apollo Studio gives GraphQL teams an interface for managing a supergraph, from exploring and sharing operations to coordinating schema changes. Its registry keeps schemas and metadata together with changelogs and graph visualizations; teams can review changes asynchronously, check for breaking effects against past client requests, and connect composition and approvals to CI/CD. It also provides permissions for graph variants and tracks usage, errors, and traces. The Free plan costs nothing and limits its self-hosted Router to 60 requests per minute, with one day of checks and insights retention. Developer starts at $5 per month, while higher plans use custom pricing.
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Apidog
Free plan APIExtensionLinux+4API design, testing, mocking, and documentation — Apidog combines API design, debugging, mocking, testing, and documentation with specification-driven workflows, unlike Apollo’s supergraph management focus.
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Microcks
Free plan APIExtensionLinux+4Open-source mocking and contract testing across protocols — Microcks mocks and tests APIs across OpenAPI, AsyncAPI, gRPC/Protobuf, GraphQL, and SOAP, rather than managing Apollo-style supergraphs.
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MockServer
Free plan APILinuxMac+3Isolated service testing with mocks and proxies — MockServer mocks and proxies HTTP, HTTPS, gRPC, and other traffic, with chaos testing and recorded-traffic imports instead of supergraph governance.
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oasdiff
Free plan APILinuxMac+3OpenAPI specification comparison and breaking-change detection — oasdiff focuses on OpenAPI specification diffs and breaking-change detection, while Apollo manages GraphQL schemas and supergraphs.
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Pact
Free plan APILinuxMac+2Code-first consumer-provider contract testing — Pact generates contracts from consumer tests and checks compatibility between application versions, rather than providing Apollo’s supergraph registry and observability.
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TypeSpec
Free plan ExtensionLinuxMac+2Defining API shapes and generating specifications — TypeSpec is a language for defining API shapes and generating OpenAPI, JSON Schema, Protobuf, code, and documentation, not a supergraph management interface.
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Mockoon
Free plan APILinuxMac+3 - 9
GraphQL Hive
Free plan APISelf-hostedWeb - 10
Assertible
Free plan APIWeb - 11
AsyncAPI Studio
Free plan ExtensionLinuxMac+3 - 12
PactFlow
Free plan APILinuxSelf-hosted+1 - 13
Schemathesis
Free plan LinuxMacSelf-hosted+1 - 14
OpenAPI Studio
Free plan Self-hostedWeb - 15
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Stoplight Prism
Free plan APISelf-hostedWeb - 17
WireMock
Free plan APILinuxMac+3 - 18
Stoplight Elements
Free plan Self-hostedWeb - 19
Swagger Editor
Free plan Self-hostedWeb - 20
Smithy
Free plan LinuxMacWindows - 21
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vacuum
Free plan APIExtensionLinux+3 - 23
Spectral
Free plan LinuxMacWindows - 24
WSO2 API Designer
Free trial ExtensionLinuxMac+2
Alternatives may be a closer fit if your work is centered on API design, broad protocol testing, simulated services, or defining API shapes rather than managing a GraphQL supergraph. Consider whether you rely on Apollo’s schema review, client-level metrics, and access controls, or would benefit more from another tool’s mocking, contract testing, specification workflows, or API client. Deployment and platform coverage also matter: Apollo supports API, Linux, macOS, self-hosted, web, and Windows use, while alternatives differ in their supported environments and pricing.