Side by side
Jest vs Pure Test
Both stand on javascript testing frameworks. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Self-hosted
Jest brings parallel testing, snapshots, mocks, and coverage into a free framework that supports many JavaScript project types. Its Vite incompatibility and Babel TypeScript limitation matter when choosing it for a project.
Visit Jest Free plan LinuxMacSelf-hosted+2
Pure Test offers a broad runtime range and CI-oriented CLI features in a free package. Its beta status and lack of isolation, snapshots, and built-in coverage are important tradeoffs.
Visit Pure TestThe facts
| Jest | Pure Test | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Self-hosted | Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | jestjs.io | github.com |
| On javascript testing frameworks | #9 of 23 | #5 of 23 |
Jest: what it does well
- Runs tests in parallel processes
- Includes snapshots, mocks, and watch mode
- Coverage can include untested files
- Installation guides cover four package managers
What to know first
- Not supported by Vite
- Babel-based TypeScript tests are not type-checked during execution
Pure Test: what it does well
- Works across Node.js, Deno, Bun, and browsers.
- Includes spies, fake timers, and lifecycle hooks.
- CLI supports filtering, watching, and sharding.
- Deno adapter works with `deno test`.
- Free under the Apache-2.0 license.
What to know first
- Tests are not isolated.
- The project is beta, and APIs may change.
- No module mocking, snapshots, or built-in coverage.
- No worker isolation or configuration files.
Alternatives to Jest Alternatives to Pure Test The whole list