12 alternatives to Aspen — Free API Testing for macOS, matched by what they do.
| Rank | Tool & Tagline |
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| Official Domain |
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| MoM Growth |
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| Pricing Model |
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| ● | Aspen — Free API Testing for macOS | getaspen.io | 0 | -2.58K (-100%) | Free | Global | 4.6 | Profile |
| 1 | Postman | postman.com | 1.76M | -144.52K (-7.6%) | Freemium | India | 4.7 | Compare |
| 2 | Maestro Studio Desktop Beta | maestro.dev | 102.59K | -29.59K (-22.4%) | Freemium | United States | 4.5 | Compare |
| 3 | KaneAI | testmuai.com | 901.34K | 104.99K (+13.2%) | Freemium, Paid, Contact for Pricing | United States | 4.5 | Compare |
| 4 | Qodex | qodex.ai | 140.67K | 12.93K (+10.1%) | Contact for Pricing | India | 4.7 | Compare |
| 5 | HTTPie AI | httpie.io | 24.71K | -20.41K (-45.2%) | Freemium | United States | 4.4 | Compare |
| 6 | Katalon | katalon.com | 158.09K | -66.44K (-29.6%) | Freemium, Free Trial, Paid, Contact for Pricing | Vietnam | 4.5 | Compare |
| 7 | TestSprite | testsprite.com | 114.21K | 15.57K (+15.8%) | Freemium | United States | 4.3 | Compare |
| 8 | Beagle Security | beaglesecurity.com | 38.31K | -21.32K (-35.8%) | Freemium, Free Trial, Paid, Contact for Pricing | India | 4.4 | Compare |
| 9 | Devzery | devzery.com | 2.38K | -13.59K (-85.1%) | Contact for Pricing | United States | 4.2 | Compare |
| 10 | Shiplight AI | shiplight.ai | 33.68K | -3.02K (-8.2%) | Contact for Pricing | Vietnam | 4.3 | Compare |
| 11 | testRigor | testrigor.com | 105.87K | -2.95K (-2.7%) | Free Trial, Contact for Pricing, Free | United States | 4.5 | Compare |
| 12 | Autosana | autosana.ai | 12.06K | 7K (+138.3%) | Freemium, Contact for Pricing | India | 4.4 | Compare |
Design, test, and govern APIs — now with AI agents in the loop
Free / Open-sourceOpen-source, human-readable UI testing for mobile and web
Free / Open-sourceOpen-source, human-readable UI testing for mobile and web
GenAI-native end-to-end QA agent that plans, writes and heals tests in plain language
Execution-backed code review that runs real API, UI and security tests on every pull request
SpecialistHuman-friendly API client with an AI sidekick
AI-augmented quality platform for web, mobile, API and desktop testing
Agentic end-to-end testing that writes, runs and heals your test suite
Agentic end-to-end testing that writes, runs and heals your test suite
Agentic AI penetration testing for web apps, APIs and GraphQL
Self-driving AI agent for API functional regression testing
Self-driving AI agent for API functional regression testing
Agent-native end-to-end testing that maintains itself
Agent-native end-to-end testing that maintains itself
Write end-to-end test automation in plain English, no code required
Write end-to-end test automation in plain English, no code required
