What is the difference between Thunder Client and Apidog?

Thunder Client is best for VS Code users wanting a lightweight API client, while Apidog is best for API teams wanting an all-in-one API development platform. Thunder Client starts at Free and Apidog starts at Free.

Is Thunder Client or Apidog cheaper?

Thunder Client starts at Free and is free. Apidog starts at Free with a free tier.

Is there a free alternative to Apidog?

Both Thunder Client and Apidog offer free tiers.

Thunder Client vs Apidog

Thunder Client is Lightweight REST API client built into VS Code with collections and environments, while Apidog is all-in-one platform for API design, debugging, testing, documentation, and mocking. Thunder Client is built for vs code users wanting a lightweight api client, whereas Apidog targets api teams wanting an all-in-one api development platform.

At a glance

	Thunder Client	Apidog
Best for	VS Code users wanting a lightweight API client	API teams wanting an all-in-one API development platform
Starting price	Free	Free
Free tier	✓	✓
Open source	—	—
Free tier available	✓	✓
Open source	—	—
API Design	—	✓
Automation	—	✓
CLI	✓	—
Collections	✓	—
Debugging	—	✓
Git Sync	✓	—
Mock Server	—	✓
VS Code Extension	✓	—

Thunder Client

Strengths

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
The core product is free with no paywalled essentials
Includes cli alongside the core feature set — fewer separate tools needed

Weaknesses

May lack some advanced features
Some advanced features require upgrading to a paid plan
Fewer built-in features means you may need additional tools to cover gaps
Ecosystem of third-party integrations is smaller than the market leaders in api development

Try Thunder Client → Full review

Apidog

Strengths

Includes API Design as a core feature, purpose-built for api development workflows
Includes Debugging as a core feature, purpose-built for api development workflows
Free for 3 users — generous enough for most small teams to get real work done
Includes mock server alongside the core feature set — fewer separate tools needed

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Developer-oriented tooling may not suit non-technical team members
Ecosystem of third-party integrations is smaller than the market leaders in api development
Limited team/admin features if your organization eventually scales up

Try Apidog → Full review

The bottom line

Pricing: Both Thunder Client and Apidog are free. You can try both without spending a dollar.

Feature gaps: Thunder Client offers CLI, Collections and Git Sync that Apidog lacks. Apidog brings API Design, Automation and Debugging that Thunder Client does not have.

Team fit: Thunder Client is geared toward individual users and small setups, while Apidog is aimed at small teams teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Where each tool shines: 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. Apidog's biggest strengths are: includes api design as a core feature, purpose-built for api development workflows. includes debugging as a core feature, purpose-built for api development workflows.

Watch out for: With Thunder Client, users commonly note that may lack some advanced features. With Apidog, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

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
Your team size fits the individuals profile Thunder Client is designed for

Choose Apidog if...

You need a tool built for api teams wanting an all-in-one api development platform
You specifically need API Design and Automation
You care about includes debugging as a core feature, purpose-built for api development workflows
Your team size fits the small teams profile Apidog is designed for
The free tier works for you: free for 3 users