Head-to-head · gRPC Tools
BloomRPC Extended vs grpcurl
BloomRPC Extended leads on 0 checks, grpcurl 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 scoreBloomRPC Extended · 8.5/10
- Free planboth
- Most featuresBloomRPC Extended · 2 of 6
BloomRPC Extended scores higher on our rubric for grpc tools: 8.5 against 8.1 out of 10; our editors rank them #4 and #7.
BloomRPC Extended is the better fit for free desktop users needing complete RPC coverage. grpcurl is the better fit for scripted command-line gRPC inspection and invocation.
- BloomRPC Extended fits best
Free desktop users needing complete RPC coverage
- grpcurl fits best
Scripted command-line gRPC inspection and invocation
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Side by side
| Feature | BloomRPC Extended 8.5/10 Visit ↗ | grpcurl 8.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.5 | 8.1 |
| Ranking | #4 in gRPC Tools | #7 in gRPC Tools |
| Best for | Free desktop users needing complete RPC coverage | Scripted command-line gRPC inspection and invocation |
| Pricing model | Free | Free |
| Starting price | Free plan | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Features BloomRPC Extended 2/6 · grpcurl 0/6 | ||
| gRPC-Web support | ✓ (best) | Not checked yet |
| Server reflection | ✓ (best) | Not checked yet |
| 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 | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | BloomRPC Extended is an open-source desktop GUI client for developers who explore and query gRPC services. It covers native unary, server-streaming, client-streaming, and bidirectional RPC calls, while also supporting gRPC-Web. The… Read the review → |
grpcurl is an open-source command-line client for developers who need to inspect and invoke gRPC services from a desktop environment. It sends and receives JSON-encoded request data, supports unary, client-streaming, server-streaming, and… Read the review → |
Strengths and trade-offs
BloomRPC Extended — where it wins
- Supports unary, server-streaming, client-streaming, and bidirectional calls
- Includes gRPC-Web, reflection, TLS/SSL, metadata, and environments
- Runs on Windows, macOS, and Linux as open-source desktop software
Where it doesn't
- Does not provide verified testing features
- Does not include CI workflows
- Lacks mocking and load-testing features
grpcurl — where it wins
- Covers unary and all three gRPC streaming modes
- Supports reflection, .proto files, and protoset descriptors
- Handles TLS, mutual-TLS, plaintext, JSON, and metadata
Where it doesn't
- No automated testing features
- No team workspaces
- Command-line tool rather than a hosted or GUI product
- BloomRPC Extended8.5/10 · Free plan
A free, open-source desktop client with broad gRPC and gRPC-Web coverage.
Visit BloomRPCFull verdict → - grpcurl8.1/10 · Free plan
A focused, free CLI for inspecting and invoking gRPC services.
Visit grpcurlFull verdict →
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All gRPC tools comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update