Thunder Client vs Insomnia: Which Should You Choose in 2026?
Choosing between Thunder Client and Insomnia comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated April 14, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Thunder Client
REST API client for VS Code
Best for you if:
- 0
- • You need ide & code editors features specifically
- • Thunder Client is a lightweight REST API client for VS Code
- • It provides request testing with collections and environments inline
Insomnia
API client for REST and GraphQL
Best for you if:
- 0
- • You need api tools features specifically
- • Open-source API client by Kong supporting REST, GraphQL, gRPC, WebSocket, SSE, SOAP, and Socket.io in one tool
- • Free tier includes unlimited local projects, collection runners, and Inso CLI for CI/CD integration
| At a Glance |  Thunder Client |  Insomnia |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | IDE & Code Editors | API Tools |
Rating | — | — |
| Feature | Thunder Client | Insomnia |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | IDE & Code EditorsAPI Tools | API ToolsDebugging |
How Thunder Client and Insomnia Compare
Thunder Client
REST API client for VS Code
Free tier available
Insomnia
API client for REST and GraphQL
Free tier available
Thunder Client is a ide & code editors tool. Insomnia is in api tools.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Thunder Client
Want the highest-rated option?
Neither has user reviews yet.
Go with: Thunder Client
Value user reviews?
Neither has user reviews yet.
Go with: Thunder Client
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Thunder Client is a ide & code editors tool. Insomnia is in api tools. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Thunder Client
- 0
- Free tier available
- Our pick for this comparison
Insomnia
- Better fit for api tools
The Bottom Line
Thunder Client is our pick.
Frequently Asked Questions
Is Thunder Client or Insomnia better?
Thunder Client is rated high in our evaluation. Both are freemium.
What are Thunder Client and Insomnia used for?
Thunder Client: REST API client for VS Code. Insomnia: API client for REST and GraphQL.
What does Thunder Client cost vs Insomnia?
Thunder Client is freemium (free tier + paid plans). Insomnia is freemium (free tier + paid plans). Visit their websites for detailed pricing.