Ivo vs Spellbook
A side-by-side comparison of Ivo and Spellbook, two Legal tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | Ivo | Spellbook |
|---|---|---|
| Category | Legal | Legal |
| Pricing | PAID | PAID |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms | Web | Web |
| Model support (differs) | — | Multi-model |
| Vendor (differs) | Ivo AI | Rally Legal (Spellbook) |
| Capabilities (differs) |
|
|
The honest brief
Ivo
Redlines contracts directly in Microsoft Word against your own playbooks — a workflow legal teams at Uber, Shopify and Reddit run at enterprise scale.
- Playbook-driven, customizable reviews
- AI research agent over your contracts
- Bulk analysis across contract libraries
- Doesn't train models on customer data
- No public pricing — demo-led sales
- Aimed at in-house teams, not solo use
Spellbook
Runs entirely as a Microsoft Word add-in, so drafting and redlining happen in the document lawyers already work in.
- Native Microsoft Word add-in
- Clause benchmarking + playbook review
- Early generative-AI legal tool (2022)
- Multi-model (GPT, Claude)
- Paid-only, no free tier
- Tied to the Word workflow
- Less suited to litigation/research
When to pick which
Both cover Contract review, Contract drafting, and Legal research.
Pick Ivo if you need Chat with documents.
- Chat with documents (secondary capability)
Pick Spellbook if you need Cited answers.
- Cited answers (secondary capability)
Spellbook leans on Contract drafting as a headline capability; Ivo treats it as secondary.
- Contract drafting (primary capability)