ContractbookHelping businesses scale with future-proof contracts
vs
DocumensoThe Open Source DocuSign Alternative
Comparison · Proposals & Contracts · weekly run Nov 2
Contractbook vs Documenso
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Contractbook is the stronger AI pick in Proposals & Contracts: it has a visibility score of 0.6 versus 0 for Documenso.
Choose Contractbook if…
- You want the brand AI engines rank higher (0.6 vs 0)
- You need SOC 2 Type II or GDPR or eIDAS coverage
Choose Documenso if…
- You need a self-hosted or on-premises option
- You need U.S. ESIGN Act or UETA or eIDAS SES or 21 CFR Part 11 or SOC 2 or HIPAA coverage
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Contractbook | Documenso |
|---|---|---|
| Visibility score | 0.6% | 0% |
| Change vs last week | New | New |
| Rank in Proposals & Contracts | #41 | #48 |
| Share of voice | 0.2% | 0% |
| Mentions this run | 1 | 0 |
| Positive in AI answers | — | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Contractbook 0pp · Documenso 0pp over 0 weekly runs.
Engine by engine
Contractbook leads on 1 of 3 engines
ChatGPT
AI Mode
Perplexity
ContractbookDocumenso
Head to head in AI answers
0 engine answers name both brands
0Contractbook ranked higher
0Documenso ranked higher
Features, pricing & fit
| Dimension | Contractbook | Documenso |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | Contact sales | Free; paid from $25 / mo |
| Free plan | Yes | Yes |
| Deployment | — | Hosted by Documenso or self-hosted on the customer's own infrastructure |
| Compliance | SOC 2 Type II, GDPR, eIDAS | U.S. ESIGN Act, UETA, eIDAS SES, 21 CFR Part 11, SOC 2, HIPAA |
| Support | Live chat, Email, Phone support, Help Centre | Email support, Slack integration support on the Platform plan, Enterprise support under a custom offer |
| Founded | — | 2019 |
| Headquarters | — | San Francisco, California, USA |
| Employees | — | 1–10 |
| Funding | Series B · $44M raised | Pre-seed/seed, lead OSS Capital · $2M raised |
| Best for | Small and growing companies that handle high volumes of low-complexity contracts | Individuals, teams and software builders who want open source, self-hostable e-signatures |
Plans side by side
Contractbook
EssentialCustommonth, billed annually
CentralizeCustommonth, billed annually
AccelerateCustommonth, billed annually
CustomCustom
Documenso
Free$0month
Individual$25month, billed yearly ($300/year)
Teams$40month, billed yearly ($480/year), includes 5 users
Platform$250month, billed yearly ($3,000/year)
EnterpriseCustomcustom
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Contractbook vs Documenso”, https://slateindex.ai/compare/contractbook-vs-documenso, data of Nov 2, 2026. Licence: CC BY 4.0.