Insomnia vs Thunder Client: Which Should You Choose in 2026?
Choosing between Insomnia and Thunder Client 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 May 2, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
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
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
| At a Glance |  Insomnia |  Thunder Client |
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | API Tools | IDE & Code Editors |
Rating | — | — |
| Feature | Insomnia | Thunder Client |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | API ToolsDebugging | IDE & Code EditorsAPI Tools |
How Insomnia and Thunder Client Compare
Insomnia
API client for REST and GraphQL
Free tier available
Thunder Client
REST API client for VS Code
Free tier available
Insomnia is a api tools tool. Thunder Client is in ide & code editors.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Insomnia
Want the highest-rated option?
Neither has user reviews yet.
Go with: Insomnia
Value user reviews?
Neither has user reviews yet.
Go with: Insomnia
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?
Insomnia is a api tools tool. Thunder Client is in ide & code editors. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Insomnia
- 0
- Free tier available
- Our pick for this comparison
Thunder Client
- Better fit for ide & code editors
The Bottom Line
Insomnia is our pick.
Frequently Asked Questions
Is Insomnia or Thunder Client better?
Insomnia is rated high in our evaluation. Both are freemium.
What are Insomnia and Thunder Client used for?
Insomnia: API client for REST and GraphQL. Thunder Client: REST API client for VS Code.
What does Insomnia cost vs Thunder Client?
Insomnia is freemium (free tier + paid plans). Thunder Client is freemium (free tier + paid plans). Visit their websites for detailed pricing.