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Head-to-head · gRPC Tools

grpcui vs Evans

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score grpcui #5 in gRPC Tools 8.3/10 Open source Free plan✓ 1 of 6 features Visit grpcui
Evans #6 in gRPC Tools 8.2/10 Free plan Free plan✓ 2 of 6 features Visit Evans

grpcui leads on 0 checks, Evans on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoregrpcui · 8.3/10
  • Free planboth
  • Most featuresEvans · 2 of 6

grpcui scores higher on our rubric for grpc tools: 8.3 against 8.2 out of 10; our editors rank them #5 and #6.

On deployment model, grpcui gives you Desktop where Evans offers Self_hosted.

grpcui is the better fit for developers wanting a browser-based gRPC client. Evans is the better fit for CLI users who need interactive and scripted RPC calls.

  • grpcui fits best

    Developers wanting a browser-based gRPC client

  • Evans fits best

    CLI users who need interactive and scripted RPC calls

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature grpcui 8.3/10 Visit ↗ Evans 8.2/10 Visit ↗
At a glance
Editor score 8.3 8.2
Ranking #5 in gRPC Tools #6 in gRPC Tools
Best for Developers wanting a browser-based gRPC client CLI users who need interactive and scripted RPC calls
Pricing model Free Free
Starting price Open source Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted, Desktop Self-hosted
Platforms Web, macOS, Linux Windows, macOS, Linux
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features grpcui 1/6 · Evans 2/6
gRPC-Web support Not checked yet ✓ (best)
Server reflection ✓ ✓
Mock server Not checked yet Not checked yet
Protobuf editor Not checked yet Not checked yet
Load testing Not checked yet Not checked yet
CI integration Not checked yet Not checked yet
Specs
Deployment model Desktop Self_hosted
Our review
Pros
  • Discovers services through reflection, .proto files, or protosets
  • Builds dynamic forms for protobuf messages, maps, and oneofs
  • Supports plaintext, TLS, mutual TLS, metadata, and response details
  • Interactive REPL and stateless CLI modes support varied workflows
  • Covers reflection, streaming RPCs, JSON, TLS, and gRPC-Web
  • Runs on Windows, macOS, Linux, and Docker
Cons
  • Bidirectional streaming RPC methods have limitations
  • Focused on request exploration rather than automated testing
  • Requires a command-line application to serve the local browser UI
  • No verified mock-server or API testing capabilities
  • No verified CI or load-testing features
  • Self-hosted tooling requires local setup and maintenance
Our verdict

grpcui is an open-source command-line application that serves a browser-based interface for interacting with gRPC servers. It is aimed at developers who need to inspect services and compose requests without relying only on manually…

Read the review →

Evans is an open-source command-line gRPC client for developers who need to inspect, invoke, and automate gRPC APIs. Its interactive REPL includes command completion, while the stateless CLI mode supports scripted requests. Developers can…

Read the review →
  1. grpcuigRPC Tools 8.3Open source
  2. EvansgRPC Tools 8.2Free plan

Strengths and trade-offs

  • grpcui — where it wins

    • Discovers services through reflection, .proto files, or protosets
    • Builds dynamic forms for protobuf messages, maps, and oneofs
    • Supports plaintext, TLS, mutual TLS, metadata, and response details

    Where it doesn't

    • Bidirectional streaming RPC methods have limitations
    • Focused on request exploration rather than automated testing
    • Requires a command-line application to serve the local browser UI

  • Evans — where it wins

    • Interactive REPL and stateless CLI modes support varied workflows
    • Covers reflection, streaming RPCs, JSON, TLS, and gRPC-Web
    • Runs on Windows, macOS, Linux, and Docker

    Where it doesn't

    • No verified mock-server or API testing capabilities
    • No verified CI or load-testing features
    • Self-hosted tooling requires local setup and maintenance

More comparisons

All gRPC tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update