Insomnia vs Thunder Client
Insomnia is Open-source API client for REST, GraphQL, and gRPC with environment variables and plugin support, while Thunder Client is Lightweight REST API client built into VS Code with collections and environments. Insomnia is open source and can be self-hosted, giving you full control over your data. Insomnia is built for developers wanting a lightweight rest and graphql client, whereas Thunder Client targets vs code users wanting a lightweight api client.
| Feature | Insomnia | Thunder Client |
|---|---|---|
| Free tier available | ✓ | ✓ |
| Open source | ✓ | — |
| CLI | — | ✓ |
| Collections | — | ✓ |
| Git Sync | — | ✓ |
| GraphQL | ✓ | — |
| Plugins | ✓ | — |
| REST | ✓ | — |
| VS Code Extension | — | ✓ |
| gRPC | ✓ | — |
Pricing: Both Insomnia and Thunder Client are free. You can try both without spending a dollar.
Feature gaps: Insomnia offers GraphQL, Plugins and REST that Thunder Client lacks. Thunder Client brings CLI, Collections and Git Sync that Insomnia does not have.
Team fit: Both tools target individuals teams, so the decision hinges on features and workflow fit rather than scale.
Open source: Insomnia is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Thunder Client is proprietary — you are trusting the vendor with your data and uptime.
Where each tool shines: Insomnia's biggest strengths are: open source and transparent. includes rest as a core feature, purpose-built for api development workflows. Thunder Client's biggest strengths are: includes vs code extension as a core feature, purpose-built for api development workflows. includes collections as a core feature, purpose-built for api development workflows.
Watch out for: With Insomnia, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Thunder Client, the main complaint is that may lack some advanced features.
choose Insomnia if
- Your profile matches its sweet spot: developers wanting a lightweight rest and graphql client
- You need self-hosting, data sovereignty, or the ability to audit source code
- You specifically need GraphQL and Plugins
- You care about includes rest as a core feature, purpose-built for api development workflows
- The free tier works for you: free for individuals
choose Thunder Client if
- You need a tool built for vs code users wanting a lightweight api client
- You specifically need CLI and Collections
- You care about includes collections as a core feature, purpose-built for api development workflows
frequently asked
What is the difference between Insomnia and Thunder Client?
Insomnia is Open-source API client for REST, GraphQL, and gRPC with environment variables and plugin support, while Thunder Client is Lightweight REST API client built into VS Code with collections and environments. Insomnia is open source and can be self-hosted, giving you full control over your data. Insomnia is built for developers wanting a lightweight rest and graphql client, whereas Thunder Client targets vs code users wanting a lightweight api client.
Should I use Insomnia or Thunder Client?
Insomnia gives you open source and self-hosting; Thunder Client is a managed service. Which trade-off works for you?
When should I choose Insomnia over Thunder Client?
Choose Insomnia if Your profile matches its sweet spot: developers wanting a lightweight rest and graphql client; You need self-hosting, data sovereignty, or the ability to audit source code; You specifically need GraphQL and Plugins; You care about includes rest as a core feature, purpose-built for api development workflows; The free tier works for you: free for individuals.
When should I choose Thunder Client over Insomnia?
Choose Thunder Client if You need a tool built for vs code users wanting a lightweight api client; You specifically need CLI and Collections; You care about includes collections as a core feature, purpose-built for api development workflows.
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