Comparison

pdfFiller vs Fill & Sign PDF Documents App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

pdfFiller

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

Highlights
  • Edit PDF documents
  • Esign and fill out forms
  • Share and collaborate on documents
  • Securely store unlimited documents
  • Access millions of fillable templates
  • Work offline
Features
Currently charting
Read full description

pdfFiller is a powerful mobile app that transforms your iOS device into a fully equipped office. With an extensive set of features, you can edit, eSign, and manage an unlimited number of PDF documents from anywhere. Try pdfFiller to see how it can revolutionize the way you work. “pdfFiller does more than just bring a few new editing tricks to PDFs. Actually, this PDF app can add extra depth to the way we interact with these popular files.” — CultOfMac.com “The app is easy to use, lets you organize files into folders, and connects to Dropbox, Google Drive, Box, and OneDrive.” — MakeUseOf.com EDIT PDF DOCUMENTS • Easily edit any PDF contract, invoice, or tax form on your mobile device • Highlight content, erase, or blackout sensitive information in the documents • Use various annotation tools to add text, images, dates, check marks, and more ESIGN AND FILL OUT FILLABLE FORMS • Quickly eSign contracts, agreements, and deals with just a few taps • Send an unlimited number of documents for signing • Create your signature or initials by drawing them on your device’s screen SHARE AND EXPORT • Invite others to collaborate by sharing documents by email, link, or text message • Set permissions for the recipients allowing them to view, edit, or sign the document • Print, fax, and save documents as Word, Excel, and PowerPoint files STORE AN UNLIMITED NUMBER OF DOCUMENTS • Protect your documents with the same level of security and encryption used in the banking industry • Keep your documents up-to-date on all your devices and access them from a smartphone, laptop, or tablet • Start working on a document on one device and pick it up on another one using your pdfFiller account FIND FILLABLE TEMPLATES • Search among millions of ready-to-fill templates in our PDF Library • Add templates to your account and use them as many times as you need • Create professional-looking documents using high-quality business and legal templates OFFLINE MODE • Turn on offline mode to work on documents without interruptions • View, edit, and eSign documents even without an internet connection • Sync the changes you made when you’re back online 7-DAY FREE TRIAL • Try out all paid features free for 7 days • Select a plan that best suits your needs • Cancel anytime without any obligations Subscription will be charged to your credit card through your App Store account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Manage your subscription in the Account Settings on the App Store after purchase. Terms of use: https://www.pdffiller.com/en/terms_of_services.htm Privacy policy: https://www.pdffiller.com/mobile/privacy_policy.html We appreciate your feedback, so please email us at support@pdffiller.com

About

Fill & Sign PDF Documents App

Easily sign and import any document using your phone. Create your electronic signature with your finger and apply it to forms. This tool transforms your device into a powerful digital signing solution.

Highlights
  • Edit and fill out documents
  • Create electronic signatures
  • Sign documents easily
  • Import documents
Features
Read full description

The app enables you to sign and import any document seamlessly. Transform your Phone into a powerful tool for electronic signing. Simply create your signature with your finger and apply it or your initials to any form. Give it a try today! Features: — Edit and fill out documents — Create an electronic signature — Sign documents easily — Import documents effortlessly Subscription Information: - Payment will be charged to your iTunes Account upon confirmation of purchase. - Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. - Your account will be charged for renewal within 24 hours before the end of the current period. - You can manage subscriptions and turn off auto-renewal at any time in your Account Settings after purchase. Privacy Policy: https://docs.google.com/document/d/16su5qCNwT6t04VZGl0Gg-xSZAzo7na1m2VIzdgSTzDM/ Terms of Use: https://docs.google.com/document/d/1pv0VuBDYvjcFgWa567Xfk3nsDFmY9GKKpE_rOZaLDhQ/

Screenshots

pdfFiller4 screens
Fill & Sign PDF Documents App4 screens

Verdict

The call

pdfFiller and Fill & Sign PDF Documents App both sit at 4.5 stars, but that hides the real split: 100% of Fill & Sign PDF Documents App's written reviews are positive against 20% of pdfFiller's. Fill & Sign PDF Documents App also leads on update cadence (daily vs fortnightly). pdfFiller's advantage is ratings volume (9.2K vs 11) and chart position (#55 vs unranked). On price, rating, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. pdfFiller sells 10 in-app purchases, starting at $19.99 per month and Fill & Sign PDF Documents App sells 1 in-app purchase, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for pdfFiller against 4.5 for Fill & Sign PDF Documents App. That said, the two scores are not equally well evidenced: pdfFiller has 9.2K ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 20% of pdfFiller's written reviews are positive against 100% of Fill & Sign PDF Documents App's.

UpkeepUpdate frequency

pdfFiller ships an update fortnightly, Fill & Sign PDF Documents App daily. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard5 real differences · 6 level
pdfFiller versus Fill & Sign PDF Documents App: the parameters behind the verdict, then further details
ParameterpdfFillerFill & Sign PDF Documents App
PriceFreeFree
Rating4.5 (9.2K ratings)4.5 (11 ratings) — better
Positive reviews20.2% of reviews100.0% of reviews — better
Number of ratings9.2K — better11
Update frequencyFortnightlyDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#55 — better—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size178 MB13 MB
Age rating4+4+
DeveloperairSlate, Inc.Jay Clauer

Customer experience

pdfFiller

All ratings8,461 ratings
Positive85.6%
Neutral2.6%
Negative11.9%
Written reviews590 reviews
Positive20.2%
Neutral2.0%
Negative77.8%

Fill & Sign PDF Documents App

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

pdfFiller

Reported bugs

4 issues
  • Text/annotations not saving correctly
  • Freezing/crashing issues
  • Incompatibility with certain devices
  • Login/account issues

Requested features

5 requests
  • Undo/redo functionality
  • Ability to control opacity of annotations
  • Better file management options
  • Improved mobile experience
  • Clearer pricing and subscription details

Fill & Sign PDF Documents App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

pdfFiller

Subscriptions10
  • PDF editor • Basic Monthly$19.991 Month
  • PDF editor • Basic Monthly7 Days trial$19.991 Month
  • PDF editor • Plus Monthly$29.991 Month
Show 7 more
  • PDF editor • Plus Monthly7 Days trial$29.991 Month
  • PDF editor • Premium Monthly7 Days trial$39.991 Month
  • Premium Monthly$39.991 Month
  • PDF editor • Basic Annual7 Days trial$95.991 Year
  • PDF editor • Basic Annual$95.991 Year
  • PDF editor • Plus Annual7 Days trial$119.991 Year
  • PDF editor • Premium Annual7 Days trial$179.991 Year
1 purchases

Fill & Sign PDF Documents App

Subscriptions1
  • Access to additional functions3 Days trial$6.997 Days

Questions

Is pdfFiller free?
pdfFiller is free to download, with in-app purchases available.
Is Fill & Sign PDF Documents App free?
Fill & Sign PDF Documents App is free to download, with in-app purchases available.
Which has better reviews, pdfFiller or Fill & Sign PDF Documents App?
Fill & Sign PDF Documents App is rated higher. pdfFiller averages 4.5 out of 5 from 9.2K ratings, while Fill & Sign PDF Documents App averages 4.5 from 11 ratings.
Do pdfFiller or Fill & Sign PDF Documents App have ads?
Neither pdfFiller nor Fill & Sign PDF Documents App shows ads.
Which is updated more often, pdfFiller or Fill & Sign PDF Documents App?
pdfFiller ships an update fortnightly, and Fill & Sign PDF Documents App daily. Most recently, pdfFiller was updated on October 30, 2026 and Fill & Sign PDF Documents App on October 27, 2026.

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