Add comment to PDF on Mobile phone

How to add comment to PDF on Mobile with DocHub

DocHub is an innovative platform designed to streamline document editing, signing, distribution, and forms completion. Whether you're using a Samsung Galaxy Z Flip 5, Apple iPhone 14 Pro, Xiaomi Redmi Pad SE 8.7, OPPO K12, or Motorola Moto G Power 5G (2025), our editor allows you to manage PDFs effortlessly. With deep integration into Google Workspace, you can import, export, modify, and sign documents directly from Google apps, ensuring smooth business processes and interactive workflows—all for free.

Follow the steps to add comments to your PDF on Mobile

Open your preferred web browser and navigate to the DocHub website. Log in with your credentials to access your documents.
Once logged in, locate the PDF you wish to comment on. You can either upload a new document or select an existing one from your account.
After opening the PDF in the editor, look for the commenting tools available in the platform. Choose the tool that best suits your need for adding comments.
Tap on the area of the PDF where you want to add your comment. A text box will appear, allowing you to enter your thoughts or feedback.
Once you have entered your comment, you can adjust its position if necessary. Make sure to review your comments before finalizing.
After adding all your comments, proceed to save your changes. You can then choose to download the updated PDF, print it, or share it directly from the platform.

Start enhancing your PDF documents today by using our platform for free!

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Editing a PDF is as simple as working in a Word document. You can add text, drawings, highlights, and redact or annotate your document without affecting its quality. No rasterized text or removed fields. Use an online PDF editor to get your perfect document in minutes.

Smooth teamwork

Collaborate on documents with your team using a desktop or mobile device. Let others view, edit, comment on, and sign your documents online. You can also make your form public and share its URL anywhere.

Automatic saving

Every change you make in a document is automatically saved to the cloud and synchronized across all devices in real-time. No need to send new versions of a document or worry about losing information.

Google integrations

DocHub integrates with Google Workspace so you can import, edit, and sign your documents directly from your Gmail, Google Drive, and Dropbox. When finished, export documents to Google Drive or import your Google Address Book and share the document with your contacts.

Powerful PDF tools on your mobile device

Keep your work flowing even when you're away from your computer. DocHub works on mobile just as easily as it does on desktop. Edit, annotate, and sign documents from the convenience of your smartphone or tablet. No need to install the app.

Secure document sharing and storage

Instantly share, email, and fax documents in a secure and compliant way. Set a password, place your documents in encrypted folders, and enable recipient authentication to control who accesses your documents. When completed, keep your documents secure in the cloud.

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Got questions?

Here are some common questions from our customers that may provide you with the answer you're looking for. If you can't find an answer to your question, please don't hesitate to reach out to us.

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How can I write on a PDF on my phone?

A PDF that is set up as a fillable form can also be filled out in Google Drive. Open the Google Drive app on your Android device. Tap the file with the form that needs to be filled out. Tap Fill Out Form, and enter your text in the field or fields. Tap Save.

How do I insert a comment to a PDF?

Adding comments using the Add Comments tool Click the options menu (), and choose Add Comments. Select a file you want to comment, and click Add Comments in the right pane.

How to put notes on a PDF on an iPhone?

How to Add Comments to a PDF on iPhone Open the PDF document in Highlights. Tap the PDF you want to open in the Highlights document browser: Select the text or element where you want the comment. This will bring up the selection popover: Tap the sticky note button in the selection popover. Type your comment in the popover.

How do you comment on a PDF on iPhone?

and launch the Acrobat mobile app. Choose Files on the bottom menu and locate your file. Tap Edit, then Comment.

How do I write on a PDF on my iPhone?

How to fill out a PDF on an iPhone. Tap your PDF file to open it. Tap the Fill out form option at the bottom of your PDF. Tap the blanks to fill out your information. Save.

How can I write text on a PDF?

Click the toolbox icon to open the Markup Toolbar. Click the T icon in the toolbar to create a new text box. Click the text box to select it. You can type in text, drag the corners to adjust the size, or move the text box to a new spot on the PDF.

How do I edit a PDF on my iPhone?

Choose the Camera or Document button, then search for the PDF you wish to attach and edit. Choose the attachment, then the gray arrow icon. Choose the Markup button to edit the PDF. Tap the + button to add a signature, text, and more.

How can I edit text in a PDF file for free on my phone?

How to edit text in PDFs on Android and iOS Open or download the iLovePDF Mobile App. Upload the PDF file you want to edit. Tap on the Edit Content icon at the top of the file. Tap on the text that you want to edit. Select your formatting options, including font, color, and size.

See why our customers choose DocHub

Great solution for PDF docs with very little pre-knowledge required.

"Simplicity, familiarity with the menu and user-friendly. It's easy to navigate, make changes and edit whatever you may need. Because it's used alongside Google, the document is always saved, so you don't have to worry about it."

Pam Driscoll F
Teacher

A Valuable Document Signer for Small Businesses.

"I love that DocHub is incredibly affordable and customizable. It truly does everything I need it to do, without a large price tag like some of its more well known competitors. I am able to send secure documents directly to me clients emails and via in real time when they are viewing and making alterations to a document."

Jiovany A
Small-Business

I can create refillable copies for the templates that I select and then I can publish those.

"I like to work and organize my work in the appropriate way to meet and even exceed the demands that are made daily in the office, so I enjoy working with PDF files, I think they are more professional and versatile, they allow..."

Victoria G
Small-Business

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At DocHub, your data security is our priority. We follow HIPAA, SOC2, GDPR, and other standards, so you can work on your documents with confidence.

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Add comment to PDF on Mobile mobile device

How to add comment to PDF on Mobile with DocHub

Follow the steps to add comments to your PDF on Mobile

PDF editing simplified with DocHub

Drive efficiency with the DocHub add-on for Google Workspace