Formstack Sign
416
Reviews
4.8
Star rating
#17
Rank in E-Signature APIs
Pros and cons
Pros
- Ease of Use
- Signatures
- Time Saving
- eSignature Functionality
- Easy Signing
- Convenience
Cons
- Form Issues
- E-Signature Issues
- Signature Issues
- Poor Customer Support
- Email Management
- Missing Features
Traffic & LLM citations
Source: G2 review data
Winning from
Losing to
Key stats
—
88
Small Business
2
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 85.3% |
| Mid-Market | 13.0% |
| Enterprise | 1.7% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2024 Q4 | 17 | 4.3 |
| 2025 Q1 | 7 | 4.6 |
| 2025 Q2 | 2 | 5.0 |
| 2025 Q4 | 3 | 3.3 |
Satisfaction ratings
Ease of Use9.6
Ease of Setup9.5
Quality of Support9.4
Meets Requirements9.6
What reviewers say
Very easy to use
5.0
“Formstack makes it very simple to gather signatures very quickly. What used to take weeks now takes hours.”
Easy to manage signing solution
5.0
“Our organisation used Formstack Documents to produce letters and forms which need to be securely signed. Formstack Sign easily integrated into this process.”
Easy to use
5.0
“We were able to quickly and easily create forms from our Word documents.”