eSign PDF Guide
The Best Design App of 2026 Designs Something You'll Actually Use Every Day
Most design apps in 2026 are AI image generators or Figma clones. You won't open them tomorrow. The app you open every week is the one that designs your signature for contracts, invoices, and leases. Here it is.
Why Your Signature Is the Design You'll Use 1000 Times
Look at your iPhone. How often do you open Procreate? Affinity Designer? That AI image app you downloaded last month? Now think about how often you sign something. Freelance invoice. Client contract. School form for your kid. Rental lease. Tax document. Every single one needs a signature, and most people scribble something ugly with their finger in Apple Markup and ship it. eSign PDF turns the signature into a designed asset. Four pen styles. Handwriting fonts. Apple Pencil support. Save it once, use it on every PDF for the next ten years.
Why It Beats Every Other 'Design App' for the Job at Hand
Procreate is for art. Figma is for screens. Canva is for posters. None of them sign a PDF. Apple Markup signs a PDF but the signature looks like a 6-year-old drew it and disappears on page 2 of a multi-page contract. DocuSign signs a PDF but it's $25/month and uploads your private documents to their servers. eSign PDF is the design app for the one job none of the others do: design your signature, place it on a contract, flatten the file so it can't be tampered with — all on-device, all in under a minute.
How to do it
Import the PDF
From Files, Photos, Mail, Messages, or scan one with the camera. The Share Sheet works from any app. No account needed.
Design your signature
Draw with Fountain, Ballpoint, Monoline, or Marker pen styles. Apple Pencil gives you real pressure-sensitive strokes. Or type your name in a handwriting font. Or photo-import a signature you already drew on paper.
Place it, fill the form, add dates
Drag your saved signature onto the page. Pinch to resize. Add today's date, initials, checkboxes, text fields, or stamps. Multi-page documents work without bugs.
Export and share
Sign & Export creates a flattened PDF — signature permanently embedded, can't be removed. Send via AirDrop, email, or save to Files. Done in 60 seconds.
Mistakes to avoid
- 1Treating your signature as throwaway — it's on every legal document you'll ever send
- 2Using Apple Markup for anything past a permission slip — multi-page support is broken
- 3Trusting a browser PDF tool with your contract — your file goes to their server
- 4Picking a typed italic font instead of designing a real signature — clients can tell
- 5Skipping the date next to the signature — many contracts require it for validity
The Design App That Earns Its Spot on Your Home Screen
You'll open eSign PDF this week. You probably won't open the other design apps you downloaded. Free to try. Works offline. Saves your signature forever. The one design app that pays for itself the first time you close a contract with it.
Learn more about eSign PDF →FAQ
Is this really a design app or just a signing app?+
Both. Your signature is a designed asset — eSign PDF gives you the pen styles, fonts, and Apple Pencil tools to make it look the way you want. Then it puts it on PDFs and handles all the form-filling around it.
Why not just use Apple Markup?+
Markup is fine for a permission slip. For anything multi-page, anything legal, anything with form fields or checkboxes — Markup breaks. eSign PDF handles all of it, on-device, in one minute.
How is this different from DocuSign?+
DocuSign costs $25/month and uploads your documents to their cloud. eSign PDF is free to try, runs entirely on your iPhone, and never touches a server. For freelancers and small business, it's the better fit.
Does it work offline?+
Yes. No internet required. Sign documents on a plane, in the woods, anywhere. Your documents never leave your phone.
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