PDF viewers for IOS and Android

PDF (Portable Document Format) has become one of the most widely used file format today. PDFs are light, portable and can support a huge range of document styles, whether be it highly text-based, image-based or both. Not only do we use PDFs to create, edit and view documents but also convert our physical documents like receipts, invoices, whiteboard discussions, certificates, etc. into PDFs.  In light of this, many PDF viewers and scanners have been developed to fulfill our needs.


1. Adobe Acrobat Reader:

Adobe products have been around since the invention of PDF format. The Adobe reader has been like the default app of choice for many people. Available for both Android and iOS platforms, the Adobe Acrobat Reader let users to view, annotate, and sign PDF documents.

Adobe Reader allows users to open and browse any type of PDF documents including password protected PDFs, fillable forms, and PDFs that are managed with Adobe LiveCycle. Users can also make comments on PDFs as well as highlight and mark up texts using the different tools provided by the app. The app can be used to electronically sign documents and it can also be used as a PDF scanner. Adobe Reader also has cloud storage functionalities and also supports other cloud storage providers like Dropbox, iCloud Drive, Box, Microsoft OneDrive, and Google Drive.

However, without the in-app purchases, you cannot create, edit or convert your PDFs to editable word and excel documents. The in-app purchases also allow you to reorder, rotate, and delete pages in your PDFs.




2. Kdan Mobile’s PDF Reader:

Kdan Mobile’s PDF reader is one of the most popular PDF reader apps for Android and iOS devices. The app is not only a good PDF reader but also a good document scanner allowing you to scan anything and create a PDF out of it.

PDF Reader provides fast and stable rendering performance and supports all kinds of files in PDF format, including Vitrium* PDF format. The app also supports bookmarks, outlines and thumbnails and provides different annotation tools to mark up texts in your documents. It also allows you to manage your files and has full text search, text reflow and auto reflow functions allowing you to easily navigate and view the pages in your documents. PDF Reader allows users to electronically sign PDF documents, fill out forms and add time stamps to their document. Furthermore, it can also open password-protected PDF files. You can also manage your documents online and the app supports different cloud storage like Dropbox, OneDrive, GoogleDrive and many more. PDF Reader gives you a wide range of features with the free app but you can unlock many more features with a premium account.





3. CamScanner:

CamScanner is one of the best PDF scanners you can find on Android and iOS platforms. The app not only lets you scan and store various contents but also allows you to sync and share them across platforms and devices.

CamScanner uses your phone camera to scan various physical and paper documents like receipts, notes, whiteboard discussions, business cards, certificates and many more and converts them into PDFs. It enhances the scan quality making text and graphics look clear and sharp and also consists of OCR features allowing it to extracts texts from images for further editing or sharing. You can also add annotations and watermarks on documents and can also invite friends or colleagues to view and comment on your scans in a group. The app also allows you to import PDFs from your device and you can easily share documents in PDF or JPEG format. You can also sync documents across various platforms and directly fax documents to over 30 countries if you need to. The app supports different cloud storages like Box, Google Drive, Dropbox and OneDrive and paid subscription provides you additional features for editing, sharing and 10GB of cloud space.




4. ScanBot:

ScanBot is one of the most popular scanner apps for scanning documents for both Android and iOS. The app provides lots of features and is very easy to use.

ScanBot has a very user-friendly interface. It uses your phone camera to scan documents of any kind. Besides documents and photographs, the app also scans QR codes and Bar codes. ScanBot provides on-screen advice for capturing image and can also automatically capture the images for you. The app also provides you options for cropping and enhancing the scanned documents before saving it. ScanBot also provide OCR features to separate texts from images and the documents can be stored and shared in a number ways such as email, fax etc. The app also supports different cloud storages like Dropbox, Google Drive, OneDrive, Box, Evernote, Amazon Cloud Drive and many more.

With ScanBot, you can also add annotations, notes and your signature and can remove your annotations later if you wish to. You can also edit your documents and encrypt them for security. The app also provides different app themes and searching options. However, most of the advanced features are available for in-app purchases but the basic features are free.