Sign PDF Files on iPhone & iPad
The fastest way to sign PDF files on your iPhone or iPad. No uploads, no accounts, no hassle.
- Sign documents with your finger or Apple Pencil
- Save and reuse multiple signatures
- No printing or scanning needed
To sign PDF files on iPhone, download BossPDF from the App Store, tap Sign, select your files, and you're done. It works offline and takes seconds.
How to sign pdf on iphone
- 1
Open BossPDF
Launch the app and tap "Sign" from the home screen.
- 2
Select your document
Choose the PDF you need to sign from Files or any app.
- 3
Create or select a signature
Draw your signature with your finger or Apple Pencil, or pick a saved one.
- 4
Place your signature
Drag it to the signature line and resize as needed.
- 5
Save and send
Save the signed document and share it instantly.
Why this matters
Signing PDF files shouldn't require a computer, a subscription, or uploading sensitive documents to a server. Whether you're on a commute, in a meeting, or working from the couch — you need a tool that just works, right on your phone.
Why BossPDF
- Draw signatures with finger or Apple Pencil
- Save multiple signatures for reuse
- Place, resize, and position with precision
- Works offline — sign sensitive documents privately
- No need to print, sign, and scan
How people use BossPDF
Signing a client contract on the go without access to a printer.
Signing HR documents from home and sending them back immediately.
Signing vendor agreements between meetings, right from the phone.
Signing a rental agreement or financial aid form from campus.
Related guides
Frequently asked questions
How do I sign PDF files on my iPhone?
Download BossPDF from the App Store, open the app, tap "Sign", select your files, and tap the action button. Your signed PDF is ready in seconds.
Is BossPDF free to use for signing PDFs?
Yes, you can try every feature free. BossPDF offers a free trial with no watermarks. Pro plans start at $4.99/week for unlimited access.
Can I sign PDFs offline with BossPDF?
Yes. BossPDF processes everything on your device. No internet connection needed, and your files are never uploaded to any server.
Does BossPDF work on iPad?
Yes. BossPDF is optimized for both iPhone and iPad, with full support for Apple Pencil and the larger screen.
Can I sign multiple PDFs at once?
Yes. BossPDF supports batch processing — select multiple files and process them all in a single tap.
Fast. Simple. Done.
Stop fighting with PDF tools. Download BossPDF and get it done in seconds.
Download on App Store