Side by side
RESTK vs Yaak
Both stand on api clients. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan MacWindows
RESTK offers a broad free API client with scripting, imports, workspace choices and team roles. Its platform support currently excludes Linux, and formal SLA coverage is not available.
Visit RESTK Free plan LinuxMacWindows
Yaak brings API requests and Git-oriented organization together in a desktop client with local data storage. Note that commercial use needs a license, and the product has no built-in AI, scheduled runs, or mock server.
Visit YaakThe facts
| RESTK | Yaak | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Mac, Windows | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Individual Annual: $79 a year |
| Plans published | 1 | 5 |
| Maker | Not published | Not published |
| Website | restk.ai | yaak.app |
| On api clients | #26 of 38 | #22 of 38 |
RESTK: what it does well
- Supports both REST and GraphQL
- Lists 12 authentication methods
- Runs pre-request and post-response JavaScript
- Imports common API project formats
- Cloud workspaces provide role-based collaboration
What to know first
- Linux support is only on the roadmap
- No formal service level agreement
- Requires macOS 15.6+ or Windows 10 64-bit+
Yaak: what it does well
- Supports five API protocols.
- Runs on Linux, macOS, and Windows.
- Imports from Postman, Insomnia, Bruno, OpenAPI, and curl.
- Local storage and no built-in analytics or tracking.
- A 30-day trial is offered.
What to know first
- Free use is personal; commercial use requires a license.
- No built-in AI.
- Individual licenses cannot be transferred.
- No scheduled runs or mock server.

