The go-to PDF app for architects and building contractors

Scale and measure drawings, review documents and create sketches on the go. PDF Expert for iPhone and iPad is the only app you’ll need to work with PDF drawings and blueprints.

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The go-to PDF app for architects and building contractors

your vision

Apple Pencil and PDF Expert are perfect companions to express your thoughts on the page. Inspire your clients and colleagues with beautiful freehand sketching skills. Use various pens, brushes, and colors to draw anything from a simple chair to a skyscraper.

Take unforgettable notes

Take unforgettable notes

Turn PDF Expert into your everyday notepad with Apple Pencil. Jot down notes while in a meeting with colleagues or a client to make sure no crucial detail slips through the cracks.


Collaborate & approve

Transform the way you collaborate with team members using PDF Expert. With its power, you can take a picture of a plan, turn it instantly into a PDF, add some comments, approve with your signature, and send it back by email or upload it to a cloud.

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Collaborate & approve

Customize it as you want

Keep your most-used tools at hand to access them faster when needed. Arrange multiple pens with various colors and line thicknesses, highlighters, and favorite shapes alongside each other.

workflows for teams

Need to quickly and easily share your files with your customers, coworkers, and subcontractors via a secure cloud-based system? Try Fluix, an evolution of PDF Expert designed especially to support wider business functions. Beyond editing PDFs, you can automatically share, approve and submit documents for signature across teams and clients and get insights from data collected. Save time and money with a fully digital process from the field to the office.

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PDF Expert today

We make it easy to edit, annotate, sign and organize PDFs.