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Home / Blog / Get a Free PDF Document Scanner App for Your Device - 100% Work

Get a Free PDF Document Scanner App for Your Device - 100% Work

By Kevin | Follow twitter | Updated on December 27, 2023

Scanning documents or files to PDFs is a common scene during daily work. And a good scanner app would help you save lots of time and energy. However, with so many scanner apps prevailing on the market, it’s hard to choose the best one by yourselves. So, this blog lists 5 PDF scanner apps for you to compare and choose the best one.

PDF scanner

2 tables are made here to learn these PDF scanner apps more clearly.
Table 1: Feature Compare

  Availability Image to text Save as word Edit PDF Login to use E-sign
Adobe Scan iOS & Android Yes No No Yes Yes
Microsoft Lens iOS & Android Yes Yes No No No
CamScanner iOS & Android Yes Yes Yes No Yes
TapScanner iOS & Android Yes Yes Yes No Yes
iLovePDF iOS, Android & Online Yes No Yes No Yes

Table 2: Data Compare

  Google Play downloads App Store ratings
Adobe Scan 100M+ 1M
Microsoft Lens 10M+ 77.3K
CamScanner 100M+ 1M
TapScanner 50M+ 13.8K
iLovePDF 5M+ 21.4K

Then, let’s check them one by one below. The first comes to Adobe Scan.

Free Scanner App for iPhone - Adobe Scan

Adobe Scan is available for your iOS and Android devices. This app is good to use. Scanning is fast, automatic filters are convenient, and tools like an eraser, filters, and markup… all are handy. Just some features are premium like compressing PDF, protecting PDF, etc.
Talking about its scanning feature, this app can recognize documents during scanning, a highlight area will appear on your phone, and then scanning would finish automatically. After that, a scanned PDF is generated. The whole process is effortless! You can continue editing or just export it.

Free scanner app for iPhone - Adobe Scan

The pros and cons of this app can be summarized below:


  • Fast and automatic scan 
  • Unlimited scan to PDF


  • Unable to edit texts in PDFs
  • Some features like signing need to download another app to fulfill
  • Require login to use

Overall Rating: ⭐⭐⭐⭐

Microsoft PDF Scanner - Microsoft Lens

“The best developer for Apple” - Microsoft also released a PDF scanner app. Microsoft Lens is available both on Android and iOS. And it is convenient to use for MS Office users for not only PDFs but Word documents can be exported by this app.
Using this app is basically the same as the Adobe Scan, just Microsoft Lens will not add filters to documents but enable you to DIY. Besides scanning documents, business cards, whiteboards, and photos can be scanned too. Moreover, this app can OCR texts, recognize forms, and read texts on documents in real-time.
No login and it will also not limit scanning as well as exporting. Feel free to use this app.

Microsoft PDF scanner - Microsoft Lens

The pros and cons of this app are below:


  • 100% Free
  • Multiple types of documents supported
  • Scan documents to Word


  • No automatic filters

Overall Rating: ⭐⭐⭐⭐⭐

Comprehensive Free Scanner for Android - CamScanner

Take a photo and start scanning. Using CamScanner only takes you 2 steps to scan a document to a PDF. This GIF below says it all. This app is easy to use because scanning is fast, text recognition is accurate, and exporting PDFs to Word documents is also available. Multiple files like ID/business cards, PPT documents, passports…even test papers are able to scan. This one is definitely the most comprehensive PDF scanner in this blog.
CamScanner offers basic scanning and porting PDFs service for free but editing PDFs, exporting PDFs to Word, converting PDFs to other formats, etc. requires a subscription to use.

Comprehensive free scanner for Android - CamScanner

A brief conclusion of this tool can be drawn here:


  • Outstanding user experience
  • Image to Word/PPT
  • 7-day VIP trial for all of its features


  • Some features are only open to VIPs

Overall Rating: ⭐⭐⭐⭐

Powerful PDF Scanner & Editor - iLovePDF

iLovePDF is famous for its PDF editing but now it brings scanning features to users. No login is needed to use this app, but you only have 3 chances to scan documents to PDFs in a day. Then a subscription is required. This app has a user-friendly scanning interface that would highlight the whole document you are scanning and then make it easier for you to shoot. After scanning PDF, this app could provide you with multiple editing features like adding texts or links, converting PDF, compressing PDF…Though, it is a PDF editor first.
One thing to mention, iLovePDF offers an online PDF scanner. The good thing is that you don’t have to download an app, while the downside is that a phone is still needed to scan. Just the later editing and exporting can be handled from your computer.

Powerful PDF scanner & editor - iLovePDF


  • Powerful PDF editing 
  • Online PDF scanner 


  • 3 times to export scanning documents to PDFs in a day
  • Online PDF scanner but still need a phone to scan

Overall Rating: ⭐⭐⭐

Also Read: 7 Best PDF Editors for Mac Free for Mac Users

Scanner App to PDF -TapScanner

What we can see from the icon of this product - a scanner, is that scanning is its primary concern. While the app may focus too much on making users become their VIPs and set too many barriers for them to experience its services. Basic text recognition and adjustments on PDFs both require a subscription, which is unacceptable. Pros and cons are summarized below:

Scanner app to PDF - TapScanner


  • Easy-to-use interface
  • Fast scan


  • Text recognition, editing PDFs, eraser, etc. are VIP features
  • Limited exporting for the free version
  • A watermark will be added to PDFs of non-VIP users

Overall Rating: ⭐⭐

Also Read: Tested 7 PDF Unlockers to Remove Passwords Easily

PDF Scanner for PC - SwifDoo PDF

After scanning PDFs by your phone, you may need to edit texts or make more adjustments to them because scanning cannot give you a perfect PDF document. And PDF scanner apps mentioned above only offer basic editing which cannot meet most users’ requirements. Therefore, a powerful PDF scanner and editor for PC is recommended here for you - SwifDoo PDF.

The Best PDF Scanner & Editor for PC - SwifDoo PDF
  • Easily scan images/physical documents to PDFs
  • Edit all the text and images in a PDF file
  • Annotate PDFs by adding notes, bookmarks, etc.
  • Convert PDF to/from editable formats online & offline
Free Download
Windows 11/10/8.1/7/XP

This PDF editor can help you recognize texts from scanned PDFs and edit them, change font size, make PDF forms fillable, etc. You just need to open PDFs with this tool and it would detect scanning PDFs automatically and use OCR to make them editable. Just like below! Then you can start editing PDFs as you want.

PDF scanner for PC - SwifDoo PDF

This software is undergoing a holiday sale that can offer you a long free trial and save a lot for a longer plan. Download the tool now and start editing.


All 5 PDF scanner apps have fast scanning and PDFs scanned from them are clear to read or edit further. Differences are subtle and won’t affect your experiences dramatically. What really matters is whether there are features you need a lot. Just choose the best for yourself now. Also, don’t forget to try SwifDoo PDF for further editing and scanning of PDFs on your PC. Free download now!

Kevin is an experienced editor for SwifDoo focused on tech blog writing. Familiar with all kinds of PDF editing software on the market, specializes in composing posts about PDFs. All the topics he chooses are aimed at bringing more benefits to users.

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