L
LIronclad vs Spellbook
Pricing, features, platforms and who each one suits — side by side.
I
Choose Ironclad if…
- you need an API to build on
- you're in its core audience: legal operations teams, general counsel
S
Choose Spellbook if…
- you want to trial it before paying
- you're in its core audience: transactional lawyers, in-house legal teams
Side by side
Feature Ironclad Spellbook
Pricing modelContact for pricingContact for pricing
Starting price——
Free plan
Free trial
API
Open source
Trains AI on your content—No
Data retention—LLM providers don't persist data; Google data kept while library exists
Security and compliance—SOC 2 Type II, HIPAA, GDPR, CCPA
Word add-in—
AI redlining—
Contract repository
PlatformsWeb, APIWeb
CategoryLegalLegal
CompanyIronclad, Inc.Dialog Enterprises Inc.
Based inUnited States—
Founded2014—
Part of——
Key features
I Ironclad
- Contract creation, review, signing, storage and analysis in one platform
- Ironclad Agent grounded in your contracts and deal history
- No-code Workflow Designer with conditional logic
- Central searchable contract repository
- Smart Import for uploading legacy contracts
- AppExchange-approved Salesforce integration
- CLM API and Clickwrap API
- Encryption in transit (TLS 1.2+) and at rest (AES-256)
S Spellbook
- Contract redlining with tracked suggestions inside Microsoft Word
- Flags risky and non-standard contract terms
- Drafts clauses and agreements from AI or saved precedents
- Playbooks that apply team standards to every review
- Benchmarks comparing contract terms to industry standards
- Associate agent for multi-document legal matters
- Contract intake from email and Slack (ACM)
- Searchable contract repository with renewal monitoring (ACM)
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Ironclad
Custom QuoteCustom
Spellbook
Law FirmsCustom
In-House TeamsCustom
Strengths and limitations
Ironclad
- Covers the full contract lifecycle from creation to fulfillment
- Named a Leader in the 2025 Gartner Magic Quadrant and Q1 2025 Forrester Wave for CLM
- Security is included at no extra cost, with AES-256 encryption at rest
- Public CLM and Clickwrap APIs for developers
- No public pricing; a custom quote is required
- Some integrations are paid add-ons
- No free plan or trial listed
Spellbook
- 7-day free trial, with extended trials possible for larger organizations
- Works inside Microsoft Word
- Zero data retention with LLM providers; SOC 2 Type II, GDPR and HIPAA listed
- Free access for academic institutions
- No public prices; you need to book a demo for a quote
- ACM end-to-end contract management is still in early access
More comparisons
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Evidence analysis, legal transcription and drafting for legal and investigative teams
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy