Insomnia vs Keploy: Which is Better in 2026?
Choosing between Insomnia and Keploy 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.
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:
- • 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
Keploy
AI-powered API testing that records and replays real traffic
Best for you if:
- • You value community feedback (1 reviews)
- • Keploy automatically generates API test cases and mocks from real application traffic, reducing manual testing effort.
- • It helps developers improve regression testing and backend test coverage with seamless CI/CD integration.
| At a Glance |  Insomnia | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | API Tools | API Tools |
Rating | 4.3/5 | 4.9/5 |
Free plan | Yes | Yes |
Choose Insomnia or Keploy?
Choose Insomnia if
API client for REST and GraphQL
- Supports 7+ API protocols in a single tool, no need for separate clients
- Free tier includes unlimited local projects, collection runs, and environments
- Git Sync provides true version control without vendor lock-in
- Budget matters (Free vs Free)
Choose Keploy if
AI-powered API testing that records and replays real traffic
- Automatically generates test cases from real API traffic, reducing manual test-writing effort
- Open-source and free to use, making it cost-effective for startups and development teams
- Supports API testing, regression testing, and mock testing in a single workflow
| Feature | Insomnia | Keploy |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.3/5 15 reviews | ★4.9/5 47 reviews |
| Categories | API ToolsDeveloper Tools | API ToolsTesting & QA |
In-Depth Analysis
Insomnia
API client for REST and GraphQL
Strengths
- +Supports 7+ API protocols in a single tool, no need for separate clients
- +Free tier includes unlimited local projects, collection runs, and environments
- +Git Sync provides true version control without vendor lock-in
- +Open-source core means transparency and community-driven development
- +Inso CLI integrates API testing directly into CI/CD pipelines
Weaknesses
- -Git Sync limited to 3 users on the free plan
- -Mock server requests capped at 1,000/month on the free tier
- -Enterprise SSO (SAML/OIDC) only available on the $45/user/month plan
- -Desktop-only application, no browser-based or mobile client available
- -Some advanced features require a Kong account even for local-only usage
Key features
Value 85/100. Insomnia's pricing is quite generous, especially with its robust free 'Essentials' tier which offers significant functionality for individual developers and small teams.
Watch out: Overage fees for mock server requests on Pro tier
Keploy
AI-powered API testing that records and replays real traffic
Strengths
- +Automatically generates test cases from real API traffic, reducing manual test-writing effort
- +Open-source and free to use, making it cost-effective for startups and development teams
- +Supports API testing, regression testing, and mock testing in a single workflow
- +Helps improve test coverage by capturing real-world application behavior
- +Integrates smoothly with CI/CD pipelines for automated testing workflows
Weaknesses
- -Primarily focused on backend and API testing rather than frontend UI testing
- -Usage limits may feel restrictive on certain plans
Key features
Value 95/100. Keploy's Playground tier is incredibly generous, offering significant testing capabilities for free, making it highly accessible for individual developers and small teams.
Watch out: Overage charges for usage beyond Pro credit
Pricing: Insomnia vs Keploy
| Plan | Insomnia | Keploy |
|---|---|---|
| Tier 1 | Free Essentials | Free Playground |
| Tier 2 | $12 Pro | $19 year Pro |
| Tier 3 | $45 Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Insomnia pricing and Keploy pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Insomnia
Want the highest-rated option?
Insomnia: 4.3/5 (15 reviews). Keploy: 4.9/5 (47 reviews).
Go with: Keploy
Value user reviews?
Insomnia: 15 reviews (4.3/5). Keploy: 47 reviews (4.9/5).
Go with: Keploy
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?
Both are api tools tools. Compare their specific features to decide.
How important are ratings?
Keploy is rated higher: 4.9/5 vs 4.3/5.
Key Takeaways
Keploy
- Higher user rating: 4.9/5 vs 4.3/5
- Larger review base (47 reviews)
- Free tier available
- Our pick for this comparison
Insomnia
- Choose if you want aPI client for REST and GraphQL
The Bottom Line
Keploy (5.0/5) is our pick.
What Users Say
Keploy Reviews
Great Tool for Automated API Testing
What I like most about Keploy is how it simplifies backend testing for developers. Its automated test generation saves time and reduces the manual effort usually required for maintaining test cases. I also admire the company’s open-source mindset and clear vision toward improving developer productivity. The collaborative and fast-moving environment makes it a great platform for learning, contributing, and building impactful solutions
Frequently Asked Questions
Is Insomnia or Keploy better?
Keploy is rated 5.0/5 in our evaluation. Both are freemium.
What are Insomnia and Keploy used for?
Insomnia: API client for REST and GraphQL. Keploy: AI-powered API testing that records and replays real traffic.
What does Insomnia cost vs Keploy?
Insomnia is freemium (free tier + paid plans). Keploy is freemium (free tier + paid plans). Visit their websites for detailed pricing.