kitio.aiSpellbook vs Definely
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Spellbook starts at See pricing page and Definely 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
- Redline suggestions
- Clause benchmarking
- Review playbooks
- Contract drafting
- Agent mode
- Defined term lookup
- Contract proofreading
- Comparison against precedent
- Natural-language clause search
- Issues lists and reports
- MCP for AI assistants
| Feature | Spellbook | Definely |
|---|---|---|
| Best for | AI contract drafting and review add-in for Microsoft Word | Contract review and proofreading for lawyers, inside Word and AI tools |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Free trial | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | No, 7-day trial | No |
| Made by | Spellbook | Definely |
| Based in | Canada | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Spellbook starts at See pricing page and Definely starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Spellbook
- Works inside Word
- Good fit for transactional lawyers
- Market data for negotiations
- Pricing not listed publicly
- Focused on contracts, not litigation
- Needs Word desktop or web
Definely
- Works inside Microsoft Word
- Every finding traced to its source
- Connects to Claude and ChatGPT
- No public pricing
- Demo needed before access
- Built for large law firms
Which one should you choose?
Choose Spellbook if you want:
- Works inside Word
- Good fit for transactional lawyers
- Market data for negotiations
Watch out: pricing not listed publicly.
Choose Definely if you want:
- Works inside Microsoft Word
- Every finding traced to its source
- Connects to Claude and ChatGPT
Watch out: no public pricing.
Spellbook vs Definely FAQ
What is the difference between Spellbook and Definely?
Spellbook: AI contract drafting and review add-in for Microsoft Word. Definely: Contract review and proofreading for lawyers, inside Word and AI tools. Both are legal, finance & hr tools.
Is Spellbook or Definely cheaper?
Spellbook starts at See pricing page and Definely starts at See pricing page. Check both pricing pages for current plans.
Do Spellbook and Definely have free plans?
Spellbook: No, 7-day trial. Definely: No.
Who makes Spellbook?
Spellbook is made by Spellbook, based in Canada.
Who makes Definely?
Definely is made by Definely, based in United Kingdom.
Which should I choose, Spellbook or Definely?
Choose Spellbook if you value works inside word and good fit for transactional lawyers. Choose Definely if you value works inside microsoft word and every finding traced to its source.