kitio.aiDevKit vs Aspen
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Aspen is completely free, while DevKit is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- DevGPT assistant
- Plain-English database queries
- API client
- Code execution in chat
- 30+ mini-tools
- Multiple LLMs
- REST API testing
- AI companion Alfred
- OpenAPI spec generation
- Integration code generation
- Collections with Postman import
| Feature | DevKit | Aspen |
|---|---|---|
| Best for | AI assistant for developers with API, database and code tools | Free native Mac app for testing REST APIs with an AI helper |
| Category | Coding | Coding |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | DevKit | Aspen |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Aspen is completely free, while DevKit 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
DevKit
- Many developer utilities in one place
- Runs generated code in the chat
- Works in the browser
- Only Postgres is supported for database queries
- Paid plan details are limited on the page
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
Which one should you choose?
Choose DevKit if you want:
- Many developer utilities in one place
- Runs generated code in the chat
- Works in the browser
Watch out: only postgres is supported for database queries.
Choose Aspen if you want:
- Completely free
- No account required
- Data stays on your Mac
Watch out: macos only.
DevKit vs Aspen FAQ
What is the difference between DevKit and Aspen?
DevKit: AI assistant for developers with API, database and code tools. Aspen: Free native Mac app for testing REST APIs with an AI helper. Both are coding tools.
Is DevKit or Aspen cheaper?
Aspen is completely free, while DevKit is freemium.
Do DevKit and Aspen have free plans?
DevKit: Yes. Aspen: Yes, fully free.
Who makes DevKit?
DevKit is made by DevKit.
Who makes Aspen?
Aspen is made by Aspen.
Which should I choose, DevKit or Aspen?
Choose DevKit if you value many developer utilities in one place and runs generated code in the chat. Choose Aspen if you value completely free and no account required.