3 Best PDF Merge Apps Available for Free for Mobile and PC

July 31, 20231.1K views

If you want to know how to merge PDF files, we have the finest PDF merging apps for you. These apps make it intuitive and quick to combine many files into a single document or a fewer number of files. There are numerous situations in which multiple PDFs must be combined into a single file. Either you're sending multiple invoices to accounting and want to keep them all together. Either you're compiling a number of reports to give to a teammate. Or maybe you've printed many online pages as PDFs and need to merge them.

Whatever the reason, having the finest PDF merging app can make integrating these files simple. The good news is that there are several free and paid choices available. In this guide we will cover the three best PDF merge apps.

3 Best PDF Merge Apps

WPS Office


WPS Office is an office suite that enables professionals, educational institutions, and corporations to manage their routine operations more successfully. It is widely used as an alternative to Microsoft Office. It is a cross-platform suite that includes lightweight and efficient apps that operate on Windows, Linux, and Android and iOS mobile devices. Users can use the product to handle their PDF processing needs, such as creating or editing PDF files.


  • A lot of features from merging to editing PDFs.
  • For better reading of PDFs it provides a flip feature.
  • Comparatively lighter office suite.
  • Free batch of converters.


  • Some images cant be opened in WPS.
  • Sometimes you have to click several times on a file to be added.

Soda PDF


Soda PDF is another all-in-one PDF software app that includes a decent merging mechanism. This platform is particularly appealing because it is available both on the web and as desktop applications for Windows and Mac. Both versions of the app link to Dropbox and Google Drive, allowing you to instantly access your online files. You shouldn't have to worry about where you've saved your PDF documents using Soda PDF's cloud capabilities. Merged PDFs can also be emailed directly from the app.


  • PDF app that has everything necessary to handle PDFs.
  • Limited free version .
  • Limited free version .
  • Connects to a cloud storage service.


  • There is no page reordering in the free version.
  • PDF encryption is not included.



SmallPDF is one of your better selections if you're going to pay for a PDF merging. This platform includes tools for converting between document formats, signing PDFs, and securing files, in addition to merging an unlimited number of files. You can smoothly integrate PDFs, Word documents, Excel spreadsheets, and JPGs.


  • Document converting tools are included.
  • Individual pages might be deleted during the integration.
  • Merge PDFs and save them to Drive or Dropbox
  • Free for 14 days.


  • Expensive for merging PDFs.
  • After one hour, files are destroyed.
  • The batch upload feature does not always work.


This blog has introduced you to the best PDF merge app available in the market. WPS Office is the best app to merge and handle PDF files. Also, there are other options like SmallPDF and SodaPDF but WPS Office is our pick because of its all rounder capabilities. Download the WPS Office app now.

Looking for more free PDF merger tools online? Check here: 4 Best Free PDF Merger Tools Online You Must Know about

15 years of office industry experience, tech lover and copywriter. Follow me for product reviews, comparisons, and recommendations for new apps and software.