Insomnia vs Thunder Client: Which is Better in 2026?
Choosing between Insomnia and Thunder Client? Both are popular api development tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.
Quick verdict
Both Insomnia and Thunder Client are strong api development choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.
Insomnia vs Thunder Client — Side by Side
| Insomnia | Thunder Client | |
|---|---|---|
| Category | API Development | API Development |
| Pricing | Free | Free · paid from $3/mo |
| Starting price | Free tier available | Free tier available |
| Free tier | ||
| Rating | 4.3 | 4.4 |
| Best for | API Development — api-client, graphql | API Development — api-client, testing |
Pros & Cons
- Multi-protocol (gRPC, WS)
- Flexible storage per project
- Mature & polished
- Free for individuals
- Kong account changes were controversial
- Team features paid
- Runs inside VS Code / JetBrains
- Lightweight and fast
- Cheap paid tiers
- Good for solo developers
- Free tier limited to non-commercial use
- Fewer features than full platforms
- Key features now behind paywall
Key Features Compared
Insomnia
- REST, GraphQL, gRPC, WebSocket
- Local / git / cloud storage
- Environments & code gen
Thunder Client
- Editor-native REST client
- Up to 30 collection runs
- Environments & variables
- Basic scriptless tests
Choose Insomnia if…
- You want a free tier to validate before paying.
- Multi-protocol (gRPC, WS)
- Flexible storage per project
- Mature & polished
Choose Thunder Client if…
- You want a free tier to validate before paying.
- Runs inside VS Code / JetBrains
- Lightweight and fast
- Cheap paid tiers
Frequently Asked Questions
Is Insomnia better than Thunder Client?⌄
Both Insomnia and Thunder Client are strong api development choices. The right pick comes down to your specific feature needs, existing stack, and team preferences.
What is the difference between Insomnia and Thunder Client?⌄
Insomnia — Kong-owned, multi-protocol API client with local, git, or cloud storage per project. Thunder Client — Lightweight REST API client built into VS Code and JetBrains — test APIs without leaving your editor. Both are api development tools; the comparison table above breaks down pricing, free tiers, and what each is best for.
Insomnia vs Thunder Client: which is cheaper?⌄
Insomnia pricing: Free. Thunder Client pricing: Free · paid from $3/mo. Confirm current pricing on each tool's official site, as plans change.
Which is rated higher, Insomnia or Thunder Client?⌄
In our catalog, Insomnia rates 4.3 out of 5 and Thunder Client rates 4.4 out of 5, so Thunder Client has a slight edge on reviews.
See more options in our guide to the best api development tools for startups.
Still not sure which to pick?
Get a free, AI-powered tech stack — including the best api development pick for your budget and team — in 60 seconds.
Build my stack free