Comparison

Smart PDF Editor vs PDF Editor. Fill Forms & Sign

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

Head to head
About

Smart PDF Editor

This app is a PDF editor designed for efficient ink annotations, especially with a stylus. It helps professionals sign and share documents, and students take notes on study materials. Organize your files with a built-in manager.

Highlights
  • Ink annotation optimized
  • Digital signature tool
  • Document review and sharing
  • Note-taking on documents
  • Built-in file manager
  • Color-coded categories
Features
Read full description

Smart PDF is a PDF editor specially optimized for ink annotations. Use it with an Apple Pencil for the ultimate ease in note taking. Great for professionals Quickly sign and send documents. Review, annotate and share files with your colleagues. Great for students If you spend a lot of time reading and studying documents on your iPad, then Smart PDF is an indispensable tool for getting the most out of your study time. Take notes on documents in class, or while studying at home. Keep all your files organized with the built-in file manager, with color-coded categories. We hope you enjoy Smart PDF! -- The App Makers @ Qrayon

About

PDF Editor. Fill Forms & Sign

This app offers comprehensive PDF management, allowing you to create, view, edit, annotate, and sign documents. Streamline your workflow by filling forms, adding images, and securing your files with password protection.

Highlights
  • Create new PDFs
  • Edit text and annotate
  • Fill and sign forms
  • Add and manipulate images
  • Password protection
  • Import/export from cloud storage
  • Merge and reorder pages
Features
Read full description

Introducing PDF Sign, the ultimate PDF editor designed to bring convenience and ease-of-use to your digital paperwork. Take full control of your documents and streamline your business operations with PDF Sign. Whether you need to create new PDFs, read and annotate existing ones, fill out forms, or securely sign documents, PDF Sign has you covered. Say goodbye to the hassle of dealing with printed copies and embrace the power of a single app for all your document management needs. Stay one step ahead when it comes to efficient and effective document handling. CREATE & VIEW - Effortlessly create new PDFs from scratch, tailored to your specific needs. - Seamlessly open and view any PDF file with ease. - Zoom in and out for comfortable reading and precise inspection. - Quickly search for information within PDFs using text search. EDIT & ANNOTATE - Edit text within your PDF files, fix typos, and refine paragraphs for a polished result. - Add comments and annotations using text notes, making collaboration a breeze. - Utilize your finger or stylus to write directly on PDFs, providing a personal touch. - Easily fill out PDF forms, eliminating the need for manual paperwork. - Highlight key ideas and incorporate shapes to emphasize important information. - Insert and manipulate images, enabling you to crop, resize, and adjust angles as needed. - Seamlessly sign documents directly on your device's screen, ensuring a professional touch. - Safeguard sensitive data with password protection, granting you peace of mind. MANAGE & STORE - Import files from your device or popular online storage services like iCloud and Dropbox, making access a breeze. - Effortlessly delete pages from multi-page PDF documents, allowing you to refine your content. - Share PDF files with or without annotations, promoting collaboration and efficient communication. - Conveniently print files directly from your device, enabling easy physical copies when needed. - Convert images and documents into PDF files, expanding your options for document creation. - Manage PDF pages with ease, including adding, rotating, and reordering them to suit your preferences. - Merge two or more PDF pages into a single document, enhancing organization and simplicity. AUTO-RENEWABLE SUBSCRIPTIONS You can download the app for free. Further use requires a subscription. When opting for a subscription, you pay the fixed price for your country, which is displayed in the app. Payment will be charged to your Apple ID Account upon confirmation of purchase. Subscription automatically renews and free trial automatically converts into subscription unless auto-renewal is turned off at least 24 hours before the end of the current period. Your Account will be charged for renewal within 24 hours prior to the end of the current subscription period. You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase. When canceling a subscription or a free trial, your subscription/free trial will stay active until the end of the current period. SUBSCRIPTION PRICES Annual - $39.99 Monthly - $9.99 Weekly - $3.99 Read more about our terms and conditions here: https://pdfsignapp.com/privacy/ https://pdfsignapp.com/terms/ Discover the power and convenience of PDF Sign today. Simplify your document management, enhance productivity, and stay ahead of the curve in the ever-changing digital world.

Screenshots

Smart PDF Editor4 screens
PDF Editor. Fill Forms & Sign4 screens

Verdict

The call

The clearest difference is review sentiment: PDF Editor. Fill Forms & Sign at 80% against Smart PDF Editor's 21%. PDF Editor. Fill Forms & Sign also leads on rating (4.4 vs 3.8) and ads (none vs shown). Smart PDF Editor's advantage is in-app purchases (none vs 7). On price, ratings volume, update cadence and device support 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. PDF Editor. Fill Forms & Sign sells 7 in-app purchases, starting at $3.99 per 7 days. Smart PDF Editor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PDF Editor. Fill Forms & Sign holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 108 and 168 respectively. Written reviews point the same way: 21% of Smart PDF Editor's written reviews are positive against 80% of PDF Editor. Fill Forms & Sign's.

UpkeepUpdate frequency

Smart PDF Editor ships an update every 7 months, PDF Editor. Fill Forms & Sign every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Smart PDF Editor versus PDF Editor. Fill Forms & Sign: the parameters behind the verdict, then further details
ParameterSmart PDF EditorPDF Editor. Fill Forms & Sign
PriceFreeFree
Rating3.8 (108 ratings)4.4 (168 ratings) — better
Positive reviews20.9% of reviews80.0% of reviews — better
Number of ratings108168 — better
Update frequencyEvery 7 monthsEvery 4 months — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size11 MB29 MB
Age rating4+4+
DeveloperQrayon, LLCFLOWMOTION LLC

Customer experience

Smart PDF Editor

All ratings109 ratings
Positive67.9%
Neutral5.5%
Negative26.6%
Written reviews43 reviews
Positive20.9%
Neutral0.0%
Negative79.1%

PDF Editor. Fill Forms & Sign

All ratings167 ratings
Positive85.0%
Neutral2.4%
Negative12.6%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

Smart PDF Editor

No in-app purchases

7 purchases

PDF Editor. Fill Forms & Sign

Subscriptions6
  • PDF Editor PRO - Week3 Days trial$3.997 Days
  • PDF Editor PRO - Week$3.997 Days
  • PDF Editor PRO - Month7 Days trial$9.991 Month
Show 3 more
  • PDF Editor PRO - Month$9.991 Month
  • PDF to Word PRO - Year$39.991 Year
  • PDF to Word PRO - Year14 Days trial$39.991 Year
One-time1
  • PDF Editor PRO$39.99

Questions

Is Smart PDF Editor free?
Smart PDF Editor is free to download, with no in-app purchases.
Is PDF Editor. Fill Forms & Sign free?
PDF Editor. Fill Forms & Sign is free to download, with in-app purchases available.
Which has better reviews, Smart PDF Editor or PDF Editor. Fill Forms & Sign?
PDF Editor. Fill Forms & Sign is rated higher. Smart PDF Editor averages 3.8 out of 5 from 108 ratings, while PDF Editor. Fill Forms & Sign averages 4.4 from 168 ratings.
Do Smart PDF Editor or PDF Editor. Fill Forms & Sign have ads?
Smart PDF Editor shows ads; PDF Editor. Fill Forms & Sign does not.
Which is updated more often, Smart PDF Editor or PDF Editor. Fill Forms & Sign?
Smart PDF Editor ships an update every 7 months, and PDF Editor. Fill Forms & Sign every 4 months. Most recently, Smart PDF Editor was updated on November 2, 2026 and PDF Editor. Fill Forms & Sign on November 3, 2026.

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