Overleaf vs pdfFiller vs Formstack Documents Comparison
Overleaf
Starting at $15 /Month
- Free Trial
- Individuals
- Large Enterprises
Overleaf is an online document creation tool that connects people who write with people who design. It takes the hassle out of the traditional document production workflow so that user can focus on writing and content wi…
pdfFiller
Starting at $8 /Month
- Free Trial
- Large Enterprises
- Medium Business
pdfFiller allows users to quickly and easily create PDF files on their Windows PC. Users can fill a PDF form with their own data, or upload an existing Microsoft Word template. Once filled, a PDF document can be saved fo…
Formstack Documents
Starting at $92 /Month
- Free Trial
- Large Enterprises
- Medium Business
Create custom legal forms, contracts, letters and more with Formstack's extensive library of fully customizable standard and legal documents. Create, customize and fill out documents online using our cloud-based software…
pdfFiller leads on user satisfaction with a 4.5-star rating across 8,757 reviews.
Overleaf vs pdfFiller vs Formstack Documents — at a glance
| Feature | Overleaf | pdfFiller | Formstack Documents |
|---|---|---|---|
| Rating | 4.2 / 5 | 4.5 / 5 | 4.7 / 5 |
| Reviews | 59 | 8,757 | 183 |
| Starting price | $15 /Month | $8 /Month | $92 /Month |
| Free trial | Yes | Yes | Yes |
| Free version | No | No | No |
| Best for | Individuals, Large Enterprises, Medium Business | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | Document Creation Software | Document Creation Software | Document Creation Software |
| Platforms | SaaS/Web/Cloud | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac | SaaS/Web/Cloud |
| API | — | Available | Available |
| Support modes | Online | 24/7 (Live rep) | Business Hours, Online |
| Certifications | GDPR | SOC 2, HIPAA, GDPR | SOC 2, HIPAA, GDPR |
| Data residency | Global | US | Global |
Key differences between Overleaf and pdfFiller
- Pricing: Overleaf starts at $15 /Month, while pdfFiller starts at $8 /Month.
- Target audience: Overleaf is built for Individuals and Large Enterprises, while pdfFiller targets Large Enterprises and Medium Business.
- User satisfaction: pdfFiller scores higher with a 4.5-star average.
- Deployment: Overleaf supports SaaS/Web/Cloud; pdfFiller supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac.
Compare Overleaf vs pdfFiller vs Formstack Documents — and walk away knowing which one fits.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Document Creation 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 |
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Biggest differences
Start here before you go deeper into features.
Best for collaborative LaTeX document creation and academic publishing online.
- You need real-time, in-browser collaboration on LaTeX documents.
- Your team consists of researchers or technical writers focused on academic or technical content.
- You want a simple, streamlined workflow that minimizes formatting hassles.
- Your team requires offline document editing capabilities.
- You need advanced design customization beyond LaTeX formatting.
Best for simple, efficient PDF form creation and filling on Windows PCs.
- You need to quickly fill and save PDF forms repeatedly with saved data.
- Your workflow requires easy integration of Microsoft Word templates into PDFs.
- You want built-in emailing and WYSIWYG printing options within a streamlined app.
- Your team requires advanced document workflow automation or extensive collaboration features.
- You need cross-platform or mobile support beyond Windows.
Best for legal and HR teams needing customizable, collaborative document creation.
- You require a broad library of customizable legal and standard document templates.
- Your team needs real-time collaboration and version control across multiple devices.
- Your organization is mid-sized to large, benefiting from cloud-based document workflows.
- You are a freelancer or sole proprietor with minimal document automation needs.
- Your company demands highly specialized or industry-specific document automation beyond standard templates.
Overleaf: Best for collaborative LaTeX document creation and academic publishing online. pdfFiller: Best for simple, efficient PDF form creation and filling on Windows PCs.
Description | Overleaf is an online document creation tool that connects people who write with people who design. It takes the hassle out of the traditional document production workflow so that user can ... Read More about Overleaf | pdfFiller allows users to quickly and easily create PDF files on their Windows PC. Users can fill a PDF form with their own data, or upload an existing Microsoft Word template. Once filled, ... Read More about pdfFiller | Create custom legal forms, contracts, letters and more with Formstack's extensive library of fully customizable standard and legal documents. Create, customize and fill out documents online ... Read More about Formstack Documents |
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User RatingsBased on verified Spotsaas reviews | |||
Best Company Size | Small BusinessMedium Business | 1-50 employees51-500 employees | 51-500 employees500+ employees |
Get pricing help | Get pricing help | Get pricing help |
Software Demo
Demo |
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Compare Overleaf, pdfFiller and Formstack Documents 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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Get help choosing | Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes | ✓ Yes |
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HIPAA | ✗ No | ✓ Yes | ✓ Yes |
GDPR | ✓ Yes | ✓ Yes | ✓ Yes |
Single Sign-On (SSO) | ✓ Yes | ✓ Yes | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes | ✓ Yes |
Data Encryption | ✓ Yes | ✓ Yes | ✓ Yes |
Audit Logs | — | ✓ Yes | ✓ Yes |
Data Residency | 🌐 Global | 🇺🇸 US | 🌐 Global |
Overleaf vs pdfFiller User Reviews & Rating Comparison
User Ratings | 4.7 (based on 183 reviews) | ||
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Rating Distribution | |||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users appreciate Overleaf for its ease of collaboration and simplifying complex document formatting, though some note limitations in design flexibility and reliance on internet connectivity. What buyers like
Common complaints
| Buyer sentiment Users generally appreciate pdfFiller for its ease of use and efficient PDF form handling, though some desire more advanced features and clearer pricing. What buyers like
Common complaints
| Buyer sentiment Users generally express high satisfaction with the platform's document customization and collaboration features, though some note pricing and integration limitations. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product | No reviews available for the product |
List of Customers
Customers |  Caltech  The University of Queensland  York | No Customers information available. | No Customers information available. |
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Media and Screenshots
Screenshots |  2 Screenshots |  4 Screenshots | No screenshots available. |
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Videos |  1 Videos |  2 Videos |  2 Videos |
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, Overleaf or pdfFiller?
- pdfFiller edges out the other on user ratings (4.5 vs 4.2). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Overleaf and pdfFiller offer a free trial?
- Yes, both Overleaf and pdfFiller offer a free trial.
- What is the starting price of Overleaf vs pdfFiller?
- Overleaf starts at $15 /Month. pdfFiller starts at $8 /Month.
- What are the top alternatives to Overleaf?
- Top alternatives to Overleaf include Manuscripts, Etherpad, PleaseReview, Documint, Microsoft Word.
- What are the top alternatives to pdfFiller?
- Top alternatives to pdfFiller include Documint, Adobe Acrobat DC, PDFelement, Fill, Adobe Sign.