Which is better, OnTask or pdfFiller?

OnTask edges out pdfFiller based on user ratings across 25 reviews. That said, the best pick depends on your workflow — pdfFiller may be a stronger fit for specific team sizes or use cases. Review the full comparison to decide.

What are the main differences between OnTask and pdfFiller?

Key differences between OnTask and pdfFiller include pricing (OnTask starts at $49 vs pdfFiller at $8). Use the Spotsaas comparison table to evaluate each dimension before deciding.

Do both OnTask and pdfFiller offer a Free trial?

Yes, both OnTask and pdfFiller offer a Free Trial.

Who are the typical users of OnTask?

OnTask is designed for Large Enterprises, Medium Business, Small Business.

Who are the typical users of pdfFiller?

pdfFiller is designed for Large Enterprises, Medium Business, Small Business.

What is the starting price of OnTask and pdfFiller?

Pricing for OnTask starts at $49/Month, whereas pdfFiller starts at $8/Month.

What are the best alternatives to OnTask?

Some top alternatives to OnTask include Smart Forms, DocuWare, Documint, pdfFiller, Formstack Documents.

What are the best alternatives to pdfFiller?

Some top alternatives to pdfFiller include Documint, Adobe Acrobat DC, PDFelement, Fill, Adobe Sign.

OnTask vs pdfFiller vs Smallpdf Comparison

Last updated: May 21, 2026

OnTask

4.8(25 reviews)

Starting at $49 /Month

Free Trial
Large Enterprises
Medium Business

Increase productivity and deliver better quality documents with OnTask. Using workflow-specific templates, drop-down menus and task forms, this document creation software helps to get the job done quickly, accurately, an…

View Pricing Read Reviews

pdfFiller

4.5(8,757 reviews)

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…

View Pricing Read Reviews

Smallpdf

3.2(518 reviews)

Starting at $7 /User/Month

Free Trial
Freelancers / Consultants
Large Enterprises

Smallpdf is a software to create PDF documents on the fly. With this software anyone can easily create PDF documents from any printable document like doc, xls, ppt. Its very easy to use and have fast conversion speed. Sm…

View Pricing Read Reviews

OnTask leads on user satisfaction with a 4.8-star rating across 25 reviews.

OnTask vs pdfFiller vs Smallpdf — at a glance

Feature	OnTask	pdfFiller	Smallpdf
Rating	4.8 / 5	4.5 / 5	3.2 / 5
Reviews	25	8,757	518
Starting price	$49 /Month	$8 /Month	$7 /User/Month
Free trial	Yes	Yes	Yes
Free version	No	No	No
Best for	Large Enterprises, Medium Business, Small Business	Large Enterprises, Medium Business, Small Business	Freelancers / Consultants, Large Enterprises, Medium 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, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac
API	Available	Available	—
Support modes	Business Hours, Online	24/7 (Live rep)	24/7 (Live rep), Business Hours, Online
Certifications	—	SOC 2, HIPAA, GDPR	SOC 2, GDPR
Data residency	US	US	Global

Key differences between OnTask and pdfFiller

Pricing: OnTask starts at $49 /Month, while pdfFiller starts at $8 /Month.
User satisfaction: OnTask scores higher with a 4.8-star average.
Deployment: OnTask supports SaaS/Web/Cloud; pdfFiller supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac.

Compare OnTask vs pdfFiller vs Smallpdf — 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

	OnTask Talk to an expert Talk to an expert	pdfFiller (3236) Talk to an expert Talk to an expert	Smallpdf (842) Talk to an expert Talk to an expert

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Biggest differences

Affiliate Disclosure

Start here before you go deeper into features.

OnTask

Best for quick, accurate document creation using easy workflow templates.

Choose if

You need fast, reliable document generation with minimal training.
Your team prefers simple, streamlined workflows without complex setup.
You want to improve productivity in legal, HR, or sales document tasks.

Consider alternatives if

Your company requires highly customized or complex document workflows.
You need extensive integration with other enterprise software systems.

pdfFiller

Best for simple, efficient PDF form creation and filling on Windows PCs.

Choose if

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.

Consider alternatives if

Your team requires advanced document workflow automation or extensive collaboration features.
You need cross-platform or mobile support beyond Windows.

Smallpdf

Best for

Freelancers / Consultants, Large Enterprises, Medium Business

OnTask: Best for quick, accurate document creation using easy workflow templates. pdfFiller: Best for simple, efficient PDF form creation and filling on Windows PCs.

Description	Increase productivity and deliver better quality documents with OnTask. Using workflow-specific templates, drop-down menus and task forms, this document creation software helps to get the ... Read More about OnTask	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	Smallpdf is a software to create PDF documents on the fly. With this software anyone can easily create PDF documents from any printable document like doc, xls, ppt. Its very easy to use and ... Read More about Smallpdf
Entry Level Pricing	Starts from $49	Starts from $8 , Billed Yearly	Starts from $7 , Billed Yearly
Free Trial Availability	Free Trial available	Get Free Trial	Get Free Trial
User Ratings Based on verified Spotsaas reviews	4.8 (25)	4.5 (8757)	3.2 (518)
Best Company Size	51-500 employees500+ employees	1-50 employees51-500 employees	—
	Get pricing help	Get pricing help	Get pricing help

Software Demo

Demo

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Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.

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Step 1 of 4

How big is your team?

We tailor recommendations to companies your size.

Trusted by teams at

Compare OnTask, pdfFiller and Smallpdf 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.

Pricing Option
Starting From	$49	$8 , Billed Yearly	$7 , Billed Yearly
Pricing Plans	Not Available	Basic Get Started One User Edit, fill, draw, print, save, or fax Convert PDFs to editable word documents Show more + Premium Get Started Up to 5 users Send documents out to be signed using SignNow USLegal Forms Library Show more + airSlate Business Cloud Get Started Minimum 10 Users The most powerful PDF editor Business process automation Show more +	Free Get Started Access to 21 Smallpdf tools Work on website and mobile app Process up to 2 documents per day Pro Get Started Includes features of Free plan, plus Strong Compress, convert scanned PDFs to Word, and digital seal protection on signatures Unlimited document processing Show more + Team Get Started Includes features of Pro plan, plus Easy and flexible billing management Add more users as needed Show more + Browse all pricing plans
Pricing Page
	View detailed pricing	View detailed pricing	View detailed pricing

Other Details

Organization Types supported	Small Business Freelancers Medium Business Large Enterprises Individuals	Small Business Freelancers Medium Business Large Enterprises Individuals	Small Business Freelancers Medium Business Large Enterprises Individuals
Platforms Supported	Browser Based (Cloud) Mobile - iOS Mobile - Android Installed - Windows Installed - Mac Mobile - Windows Browser Based (Cloud)	Browser Based (Cloud) Mobile - iOS Mobile - Android Installed - Windows Installed - Mac Mobile - Windows Browser Based (Cloud)	Browser Based (Cloud) Mobile - iOS Mobile - Android Installed - Windows Installed - Mac Mobile - Windows Browser Based (Cloud)
Modes of support	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online
API Support	Available	Available	Not Available
	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
HIPAA	—	✓ Yes	✗ No
GDPR	—	✓ Yes	✓ Yes
Single Sign-On (SSO)	—	✓ Yes	—
Multi-Factor Auth (MFA)	—	✓ Yes	—
Data Encryption	—	✓ Yes	✓ Yes
Audit Logs	—	✓ Yes	—
Data Residency	🇺🇸 US	🇺🇸 US	🌐 Global

OnTask vs pdfFiller User Reviews & Rating Comparison

User Ratings	4.8 (based on 25 reviews)	4.5 (based on 8757 reviews)	3.2 (based on 518 reviews)
Rating Distribution	0 0 0 0 0	2785 308 52 10 81	807 4 0 6 25
Spotsaas Editor’s POV generated by AI	Buyer sentiment Buyers generally praise OnTask for its ease of use and efficiency in document creation, though some note concerns about pricing clarity and customization limits. What buyers like Ease of use Speed of document creation Accuracy and reliability Common complaints Pricing transparency Limited customization	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 Ease of use Form filling efficiency Integration with Word templates Common complaints Lack of advanced collaboration features Pricing transparency	Buyer sentiment Buyer sentiment is mixed across 842 reviews, so it is worth reviewing the tradeoffs closely. What buyers like Fast PDF creation Easy to use Supports multiple formats Common complaints Limited editing features Basic functionality No advanced PDF management
Pros and Cons	Ease of use with workflow-specific templates Quick document creation from forms or templates High accuracy and on-time delivery of documents Limited information on pricing transparency Potential lack of advanced customization options	Easy PDF form filling and creation on Windows Ability to save and reuse data for repeated form filling Integrated emailing and printing options within the app Limited advanced workflow or collaboration features No publicly available pricing details	Quickly converts various document types to PDF User-friendly design for all skill levels Fast conversion speeds enhance productivity Limited editing capabilities compared to competitors Basic features may not meet all needs
Positive Reviews	No reviews available for the product	No reviews available for the product	No reviews available for the product
	Read reviews	Read reviews	Read reviews

List of Customers

Customers	No Customers information available.	No Customers information available.	Verizon Hilton Unilever

Media and Screenshots

Screenshots	No screenshots available.	4 Screenshots	No screenshots available.
Videos	3 Videos	2 Videos	3 Videos

Alternatives

Alternatives	Smart Forms 5 DocuWare 4.3 Documint	Documint Adobe Acrobat DC 4.5 PDFelement	AltoPDF 4.9 ZonePDF 4.5 iLovePDF 4.6

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, OnTask or pdfFiller?: OnTask edges out the other on user ratings (4.8 vs 4.5). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
Do OnTask and pdfFiller offer a free trial?: Yes, both OnTask and pdfFiller offer a free trial.
What is the starting price of OnTask vs pdfFiller?: OnTask starts at $49 /Month. pdfFiller starts at $8 /Month.
What are the top alternatives to OnTask?: Top alternatives to OnTask include Smart Forms, DocuWare, Documint, pdfFiller, Formstack Documents.
What are the top alternatives to pdfFiller?: Top alternatives to pdfFiller include Documint, Adobe Acrobat DC, PDFelement, Fill, Adobe Sign.

OnTask vs pdfFiller vs Smallpdf Comparison

OnTask

pdfFiller

Smallpdf

OnTask vs pdfFiller vs Smallpdf — at a glance

Key differences between OnTask and pdfFiller

Compare OnTask vs pdfFiller vs Smallpdf — and walk away knowing which one fits.

OnTask

pdfFiller

Smallpdf

Download this OnTask vs pdfFiller vs Smallpdf comparison

Biggest differences

Description

Entry Level Pricing

Free Trial Availability

User Ratings

Best Company Size

Software Demo

Demo

Get shortlist help from a software advisor

How big is your team?

Compare OnTask, pdfFiller and Smallpdf on pricing

Other Details

Organization Types supported

Platforms Supported

Modes of support

API Support

Security & Compliance

OnTask vs pdfFiller User Reviews & Rating Comparison

List of Customers

Customers

Media and Screenshots

Screenshots

Videos

Alternatives

Frequently asked questions