Side-by-side comparison of two listed Dev Tools — real listing data only, no paid placement.
On record, they differ in: pricing (Postman Freemium vs TestMace Paid); platforms (Postman 1 official install link found vs TestMace 3 — store/installer links only); unique tags (Postman 3: #api #testing #collaboration vs TestMace 5: #indie #api-testing #automation +2 more). Same category (Dev Tools). Listing facts only — not a recommendation.
The standard workspace for building and testing APIs
Postman is where millions of developers design, test, document and mock APIs. Collections, environments, automated test scripts and team workspaces make it the shared source of truth for API development.
Published 2026-08-06 · Links checked 2026-09-14
Your IDE for working with an API
TestMace is a modern, cross-platform tool for API development and automated testing. It offers features like complex test creation, API import, teamwork support, variables, autocomplete, JavaScript tests, syntax highlighting, and undo/redo. The tool is available for macOS, Windows, and Linux, with options for version control or cloud synchronization for team collaboration.
Published 2026-08-08 · Links checked 2026-09-06
| Postman | TestMace | |
|---|---|---|
| Pricing | Freemium | Paid |
| Category | Dev Tools | Dev Tools |
| Rank in Dev Tools | not in top 50 of 77 | not in top 50 of 77 |
| Alternatives listed | 9 → | 12 → |
| Shared tags | none | |
| Unique tags | #api #testing #collaboration | #indie #api-testing #automation #cross-platform #teamwork |
| Platforms | VS Code extension | macOS · Windows · Linux |
| Pricing page | Plans & Pricing | Official pricing page |
| Free trial | Not detected on official site (checked 2026-09-16) | Mentioned on the official pricing page |
| Documentation | Not detected on official site (checked 2026-09-16) | docs.testmace.com/cli/cli |
| Company | Postman | Not detected on official site (checked 2026-09-20) |
| Founded | 2014 | Not detected on official site (checked 2026-09-20) |
| In their own words | Accelerate API development with Postman's all-in-one platform. Streamline collaboration and simplify the API lifecycle for faster, better results. Learn more.— official site (homepage description), checked | Your IDE for working with an API. Work with an API following the best software development practices— official site (homepage description), checked |
| Official channels | X (Twitter)LinkedInGitHubInstagramFacebookdeclared on www.postman.com via schema.org sameAs / homepage link with a matching handle | InstagramFacebookTelegramProduct Huntdeclared on testmace.com via homepage link with a matching handle |
| Official website | www.postman.com | testmace.com |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
Postman is Freemium; TestMace is Paid. Both are listed in Dev Tools on ToolDock.
Postman is listed as freemium (free tier alongside paid plans); TestMace is listed as paid — no free tier on record. Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are Dev Tools listed on ToolDock.
ToolDock keeps a tag-matched alternatives list for each: see Postman alternatives and TestMace alternatives.