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pdf apps

The Best Apps to Read and Edit PDFs

We may have to deal with PDF files quite often, and these apps are some of the best to help you view, edit, mark up, annotate, and even sign and fill out PDFs.

PDF Expert by Readdle

The master of reading and modifying PDFs on iOS. Period.

PDF Expert by Readdle

Fill out forms

For anyone who not only reads, but also annotates, signs, modifies, and stores PDFs on iOS.

On the desktop, there are PDF viewers such as Adobe Reader and Preview, and then there are premium all-encompassing PDF suites such as Adobe Acrobat. While readers let you do what the name suggests, software such as Adobe Acrobat allows for advances modifications such as annotations, signing and filling forms, and modifying PDF documents in other ways. As iOS devices have become equally capable computers in many areas, this is especially true with apps such as PDF Expert. The app also serves as an excellent resource for storing an organizing PDFs with a built-in filesystem, and native support for third party cloud storage services such as Dropbox, Google Drive, and Box. There's also iOS Document Picker and Provider support so you can directly work with documents in iCloud and other Document Providers, along with having PDF Expert serve as a Document Provider for other apps.

Why we love it

If you want to do more with PDFs, download PDF Expert today. You won’t find a better option in the entire App Store.

Documents by Readdle

Readdle is serious with productivity, so Documents 5 is a great choice

Documents by Readdle

For anyone who trusts the Readdle brand and wants a powerful PDF viewer and file manager.

With Readdle's Documents 5, users can access their files from a variety of sources of their choosing. Once you have access to your files, just pick what you want to view or listen to, and the app lets you without breaking a sweat. When it comes to PDFs, users can mark up the PDF if need be, annotate, sign, and fill out fields on the document. There are several different choices for ink color and pen size, and it's easy to save and upload your document back into the cloud with all changes intact. A unique feature for ReaddleDocs is online storage through its own Readdle Storage. You are eligible for a free account with 512MB of storage for sharing files. PDF viewing is straightforward but lacks support for viewing multiple pages in landscape orientation.

Why we love it

Readdle is a trusted name around here, and Documents 5 is a great alternative for PDF and file management. The interface is friendly to use as well.

SignNow - Sign and Fill Docs

Signing and filling electronic documents has never been easier

SignNow - Sign and Fill Docs

Grab your document

When you need to sign or fill out electronic PDF and Word documents, CudaSign is there.

CudaSign is a simple but powerful app that anyone should have on-hand for their mobile office. Just upload the document or PDF into CudaSign through email, Dropbox, or Camera, view it, and then interact with it. This is a great way to get those forms filled out without writing anything by hand, and once you sign something, just save it and send it back — voilà!

Why we love it

It's a simple but powerful app that lets you fill out forms and sign PDFs without any hassle.

Scriptation PDF for Film & TV

For TV and film production, this iPad app lets you to annotate PDFs and transfer those annotations.

Scriptation PDF for Film & TV

For those in the television and film production industry to work with scripts.

Scriptation is a simple-to-use tool for those in the television and film industry. You can annotate PDFs and share the script changes easily and then use the full-featured app to manage your documents. Endorsed by Rainn Wilson of “The Office,” Michael Spiller, director of “The Mindy Project” and Alex Reid, writer and director of “Malcom in the Middle,” you cannot go wrong with this script-change tool.

Why we love it

Read, annotate, and transfer PDFs and documents for simpler script changes using Scriptation for iPad..

SignEasy - Sign and Fill Docs

SignEasy - Sign and Fill Docs

Glykka LLC

For those who want a PDF fill and sign app that supports additional file formats.

SignEasy gives you a fast and simple way to fills, sign, and send documents such as PDF, Word, Excel, and Pages. Pull in files from Google Drive, Dropbox, Evernote, OneNote, or email. You can also enable others to sign documents two different workflow types; one-by-one or all at once. Check it out for free and then sign up for a paid plan if you enjoy it.

Why we love it

SignEasy makes accessing, completing, signing, and sending various types of documents simple.

PDF Viewer by PSPDFKit

PDF Viewer by PSPDFKit

PSPDFKit GmbH

For those who want a PDF reader with annotation tools, form-fill, and text-to-speech options.

PDF Viewer – Read, Review, and Annotate lets you view documents on the go and then mark them up or sign them easily. You can create new documents, store and organize folders, fill out forms, and use handy annotation tools. The app also has bonus features such as text-to-speech for e-books and night mode.

Why we love it

PDF Viewer – Read, Review, and Annotate is a convenient app for viewing, annotating, signing, and organizing your PDFs.

LiquidText PDF Reader

LiquidText PDF Reader

LiquidText, Inc.

With LiquidText PDF Document Reader for iPad, you can interact with your PDFs, Word documents, and PowerPoint slides. Organize and group notes, highlight text and images, and compare documents in parallel. The app offers importing from Dropbox, iCloud, and email as well as exporting and file sharing via email. You can also perform a global search using keywords and pull excerpts from different documents together.

Why we love it

If you are looking for an intuitive and convenient PDF document app for your iPad, LiquidText PDF Document Reader is one to try.

Adobe Acrobat Reader

Adobe Acrobat Reader

Adobe

A PDF viewer at heart

For those who want a simple app to read, scan, and annotate PDFs.

With the Adobe Acrobat Reader app, you can read, annotate, scan, and send PDF documents. Open existing files and mark them up with highlighting, underlining, and drawing tools. You can also add comments, use your Apple Pencil, and scan multiple document pages into one PDF. The app is easy-to-use and offers even more features via in-app purchase.

Why we love it

To read, scan, and annotate PDFs quickly and easily, check out the Adobe Acrobat Reader app.

Flexcil - PDF, Annotate, Note

The ultimate app for note-taking, study notes, and digital annotation

Flexcil - PDF, Annotate, Note

Study notes made easy

If you work with PDFs as study material, this is the app you need.

Flexcil is a robust choice for digital studying, with great control over how you digest the information. You can easily highlight passages with Apple Pencil, and then drag them into your study notes. You can also draw squares around charts and images, allowing you to copy them directly to your notebook. The app is gorgeously laid out, and you can customize how your study notes appear on the screen. The gestures, pen control, and writing tools make studying a breeze. When you're done with your study notes, you can export them to their own PDF documents for access outside Flexcil. Be sure to carefully follow through with the gesture tutorial, since it sets you up for very easy use of the app later on.

Why we love it

The developers behind Flexcil have thought of just about everything you might need when studying. Not only is the app useful for copying text into your notes, but it's also got plenty of usefulness for marking up PDF documents and getting more information from them. If you highlight a word with a gesture, you can even look up that word or phrase in the dictionary. The app works well for annotating passages, allowing you to highlight or underline them for easier study later. One very nice feature is the app's third-party integration — you can easily bring in PDF documents from iCloud, Dropbox, and Google Drive. This is a robust app for PDF annotation and studying, and the developers are hard at work expanding its usefulness to other digital book formats.

Mendeley (PDF Reader)

Stop losing track of your papers and citing things manually.

Mendeley (PDF Reader)

Find and read documents in your library

For anyone who writes papers based on other research papers.

On Mac and Windows, Mendeley Desktop is widely renowned as the best manager of research papers and citations – and it's absolutely free. And as we've gained the ability to sync papers and citations to an online account for personal use and collaboration, being able to add to and access your Mendeley library on mobile is now possible. It all starts from Share Sheet access, where you can add PDFs from any app to your Mendeley library. From here, the app will automatically populate metadata fields from the file and Mendely's extensive database so you can find and cite it later. Also from iOS, you can view and add to all of your synced documents, notes, and annotations. When you return to the desktop, you'll find any papers and notes you added on iOS after syncing, and will be able to use Mendeley for what it's best known for – adding in-text citations and bibliographies using the Microsoft Word plugin.

Why we love it

Although the bread and butter to Mendeley is its desktop app and respective Microsoft Word plugin, being able to add to and access your library on the go makes downloading the iOS app a no-brainer.