Adobe Sign vs PDF.js Express Comparison
Adobe Sign
Starting at Contact for pricing
- Free Trial
- Freelancers / Consultants
- Large Enterprises
Adobe Sign streamlines the process of obtaining signatures, wherever and on whatever device necessary. The platform facilitates electronic document signing and tracking, ultimately aiding user growth. With e-signing, acc…
PDF.js Express
Starting at $375 /Month
- Free Trial
- Large Enterprises
- Medium Business
PDF.js Express is a commercial open source viewer designed for developers who need to add e-signatures, annotations and forms to their PDF documents. This highly customizable solution offers three essential components -…
Adobe Sign leads on user satisfaction with a 4.4-star rating across 1,297 reviews.
Adobe Sign vs PDF.js Express — at a glance
| Feature | Adobe Sign | PDF.js Express |
|---|---|---|
| Rating | 4.4 / 5 | — |
| Reviews | 1,297 | — |
| Starting price | Contact for pricing | $375 /Month |
| Free trial | Yes | Yes |
| Free version | No | No |
| Best for | Freelancers / Consultants, Large Enterprises, Medium Business | Large Enterprises, Medium Business, Small Business |
| Category | Electronic Signature Software | PDF Editor Software |
| Platforms | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS | SaaS/Web/Cloud |
| API | Available | — |
| Support modes | Online | Business Hours, Online |
| Certifications | SOC 2, HIPAA, GDPR, ISO 27001 | — |
| Data residency | Global | Global |
Key differences between Adobe Sign and PDF.js Express
- Pricing: PDF.js Express starts at $375 /Month. Adobe Sign pricing is not publicly listed.
- Target audience: Adobe Sign is built for Freelancers / Consultants and Large Enterprises, while PDF.js Express targets Large Enterprises and Medium Business.
- Deployment: Adobe Sign supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS; PDF.js Express supports SaaS/Web/Cloud.
Adobe Sign vs PDF.js Express — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Electronic Signature Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
Biggest differences
Start here before you go deeper into features.
Best for secure, efficient e-signatures across devices with legal compliance.
- You need strong security features ensuring legal and regulatory compliance.
- You want to streamline and speed up document signing and tracking processes.
- Your team requires flexible signing workflows accessible on multiple devices.
- You require extensive customization of signing workflows beyond Adobe Sign’s limits.
- You need a large marketplace of third-party app integrations and connectors.
Large Enterprises, Medium Business, Small Business
Adobe Sign typically suits Freelancers / Consultants and Large Enterprises. PDF.js Express tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Adobe Sign streamlines the process of obtaining signatures, wherever and on whatever device necessary. The platform facilitates electronic document signing and tracking, ultimately aiding ... Read More about Adobe Sign | PDF.js Express is a commercial open source viewer designed for developers who need to add e-signatures, annotations and forms to their PDF documents. This highly customizable solution ... Read More about PDF.js Express |
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Entry Level Pricing |
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Free Trial Availability | ||
Spotsaas ScoreWhat's this? ↗ | 8.8/10 | Not Available |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessLarge Enterprises | — |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Adobe Sign and PDF.js Express Compare on Features?
Total Features | 13 Features | 4 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Adobe Sign and PDF.js Express on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Other Details
Organization Types supported |
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | — |
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HIPAA | ✓ Yes | ✗ No |
GDPR | ✓ Yes | — |
ISO 27001 | ✓ Yes | — |
Single Sign-On (SSO) | ✓ Yes | — |
Multi-Factor Auth (MFA) | ✓ Yes | — |
Data Encryption | ✓ Yes | — |
Audit Logs | ✓ Yes | — |
Data Residency | 🌐 Global | 🌐 Global |
Adobe Sign User Reviews & Rating Comparison
User Ratings | No reviews available for the product | |
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Rating Distribution | No reviews available for this product | |
Spotsaas Editor’s POV generated by AI | Buyer sentiment Overall positive user sentiment highlights efficiency, security, and ease of use, tempered by concerns over subscription complexity and limited customization. What buyers like
Common complaints
| No expert review available for this product |
Pros and Cons |
| No pros or cons available for this product |
Positive Reviews | No reviews available for the product | No reviews available for the product |
Media and Screenshots
Videos |  3 Videos |  3 Videos |
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Top Alternatives to Adobe Sign and PDF.js Express in 2026
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Adobe Sign or PDF.js Express?
- Adobe Sign edges out the other on user ratings (4.4 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Adobe Sign and PDF.js Express offer a free trial?
- Yes, both Adobe Sign and PDF.js Express offer a free trial.
- What is the starting price of Adobe Sign vs PDF.js Express?
- Adobe Sign starts at Contact for pricing. PDF.js Express starts at $375 /Month.
- What are the top alternatives to Adobe Sign?
- Top alternatives to Adobe Sign include PandaDoc, Signaturit, Signable, DocuSign, signNow.
- What are the top alternatives to PDF.js Express?
- Top alternatives to PDF.js Express include VectorViewer, PDFelement, Qualified, Workvivo, ComPDFKit.