Side by side
BlackBoiler vs Formable
Both stand on redlining software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Choose BlackBoiler if your team reviews contracts in Word and wants first-pass edits guided by its own playbook and language. Look elsewhere if you need a free plan or a tool to manage intake, approvals, signatures, and the full contract lifecycle.
Visit BlackBoiler
Choose Formable if your workflow needs contract creation, AI review, redlining, and signing together. Its APIs and integrations also suit teams embedding contract steps in other tools. The free Basic plan has tight contract, template, and storage limits; Growth is listed at $0.35 per signature.
Visit FormableThe facts
| BlackBoiler | Formable | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | API, Web | Android, API, iPhone, Web |
| Lowest paid plan | Starter: $1,250 per user a year | Growth: $0.35, paid once |
| Plans published | 3 | 5 |
| Maker | Not published | Not published |
| Website | blackboiler.com | formabledocs.com |
| On redlining software | #4 of 16 | #1 of 16 |
BlackBoiler: what it does well
- Creates tracked changes and comments from playbooks and approved language.
- Veris supports conversational work with contract language inside Word.
- Covers recurring agreements and construction forms, including AIA, ConsensusDocs, and EJCDC.
- Enterprise lists SSO and API access.
- States that customer data is encrypted in transit and at rest.
What to know first
- There is no free plan.
- The seven-day trial requires a credit card.
- Starter costs $1,250/user/year; Pro costs $3,000/user/year.
- First-pass output and incomplete playbook coverage require reviewer judgment.
Formable: what it does well
- AI review flags clauses and links findings to contract text.
- 25 free templates span 10 categories.
- Recipients can sign securely without an account or phone app.
- DOCX redlining includes tracked changes, comments, and @mentions.
- REST APIs, webhooks, and SDKs support embedded workflows.
What to know first
- Basic allows three signed contracts per month and three templates.
- Basic includes basic fields and limited file storage.
- Growth is priced at $0.35 per signature.
Alternatives to BlackBoiler Alternatives to Formable The whole list