kitio.aiRefraction vs SpellBox
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Refraction starts at $8/mo and SpellBox starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Bug detection
- Language conversion
- Function generation
- Inline documentation
- Mermaid diagrams
- VS Code extension
- Code generation from prompts
- Code explanation
- Snippet bookmarking
- VS Code extension
- JetBrains plugin
| Feature | Refraction | SpellBox |
|---|---|---|
| Best for | AI code helper for bug checks, language conversion and docs | AI assistant that writes and explains code from prompts |
| Category | Coding | Coding |
| Pricing model | Free trial | Paid |
| Starting price | $8/mo | See pricing page |
| Free plan | No, trial available | No |
| Made by | Refraction | SpellBox |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Both offer: VS Code extension.
Pricing compared
Refraction starts at $8/mo and SpellBox starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Hobby
Free
- One user
- 10 code generations in total
Pro
$8/mo
- Unlimited code generations
- Unlimited history
- Editor extensions
Team
$14/mo
- Per user
- Shared code history
- Team management
Enterprise
Contact sales
- SSO and SCIM
- Audit logs
- Dedicated support
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
Refraction
- Low monthly price for unlimited use
- Many small utilities in one tool
- Works inside VS Code
- Free use stops after 10 generations
- Task-based actions, not a full coding agent
- No student or nonprofit discount yet
SpellBox
- Desktop app and IDE plugins
- Explains unfamiliar code
- Snippet bookmarks
- Needs a paid license
- Pricing not shown on the homepage
- No agent-style multi-file editing described
Which one should you choose?
Choose Refraction if you want:
- Low monthly price for unlimited use
- Many small utilities in one tool
- Works inside VS Code
Watch out: free use stops after 10 generations.
Choose SpellBox if you want:
- Desktop app and IDE plugins
- Explains unfamiliar code
- Snippet bookmarks
Watch out: needs a paid license.
Refraction vs SpellBox FAQ
What is the difference between Refraction and SpellBox?
Refraction: AI code helper for bug checks, language conversion and docs. SpellBox: AI assistant that writes and explains code from prompts. Both are coding tools.
Is Refraction or SpellBox cheaper?
Refraction starts at $8/mo and SpellBox starts at See pricing page. Check both pricing pages for current plans.
Do Refraction and SpellBox have free plans?
Refraction: No, trial available. SpellBox: No.
Who makes Refraction?
Refraction is made by Refraction.
Who makes SpellBox?
SpellBox is made by SpellBox.
Which should I choose, Refraction or SpellBox?
Choose Refraction if you value low monthly price for unlimited use and many small utilities in one tool. Choose SpellBox if you value desktop app and ide plugins and explains unfamiliar code.