kitio.aiAspen vs Devzery
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Aspen is completely free, while Devzery is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- REST API testing
- AI companion Alfred
- OpenAPI spec generation
- Integration code generation
- Collections with Postman import
- AI regression testing
- Codeless test creation
- CI/CD integration
- Middleware SDK
- Change tracking
| Feature | Aspen | Devzery |
|---|---|---|
| Best for | Free native Mac app for testing REST APIs with an AI helper | AI agent that runs API regression tests in your CI pipeline |
| Category | Coding | Coding |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | Aspen | Devzery |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Aspen is completely free, while Devzery is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Aspen
- Completely free
- No account required
- Data stays on your Mac
- macOS only
- Focused on REST, not GraphQL or gRPC
- Fewer team features than Postman
Devzery
- No code needed to create tests
- SDKs for four languages
- Fits into CI/CD pipelines
- Access may be through a waitlist
- Pricing details are not visible
Which one should you choose?
Choose Aspen if you want:
- Completely free
- No account required
- Data stays on your Mac
Watch out: macos only.
Choose Devzery if you want:
- No code needed to create tests
- SDKs for four languages
- Fits into CI/CD pipelines
Watch out: access may be through a waitlist.
Aspen vs Devzery FAQ
What is the difference between Aspen and Devzery?
Aspen: Free native Mac app for testing REST APIs with an AI helper. Devzery: AI agent that runs API regression tests in your CI pipeline. Both are coding tools.
Is Aspen or Devzery cheaper?
Aspen is completely free, while Devzery is freemium.
Do Aspen and Devzery have free plans?
Aspen: Yes, fully free. Devzery: Yes.
Who makes Aspen?
Aspen is made by Aspen.
Who makes Devzery?
Devzery is made by Devzery.
Which should I choose, Aspen or Devzery?
Choose Aspen if you value completely free and no account required. Choose Devzery if you value no code needed to create tests and sdks for four languages.