Signo - Electronic Signature

Sign any document in seconds — no account, no subscription, no internet required.

Signo lets you create handwritten signatures and sign PDF documents right on your iPhone. Everything stays on your device, so your sensitive documents remain completely private.

CREATE YOUR SIGNATURE

Draw your signature with your finger or Apple Pencil. Choose from multiple ink colors and adjust stroke width to match your style. Save multiple signatures for different purposes — personal, business, or initials.

SIGN ANY PDF IN 3 STEPS

1. Import a PDF from Files, snap a photo, or pick from your gallery

2. Place your signature anywhere on the document — drag, resize, and position with precision

3. Save the signed PDF and share via AirDrop, Mail, Messages, or any app

KEY FEATURES

• Create unlimited signatures with finger or Apple Pencil

• Sign PDF documents with drag & drop placement

• Import from Files, Camera, or Photo Library

• Multiple ink colors and stroke width options

• Save and manage a library of signatures

• Track all signed documents with date-grouped history

• Share signed PDFs instantly via iOS Share Sheet

• Beautiful dark mode support

WORKS COMPLETELY OFFLINE

No cloud servers. No uploads. All signing happens on your iPhone. Your contracts, agreements, and personal documents never leave your device.

NO ACCOUNT NEEDED

Open the app and start signing. No registration, no login, no setup. Just create your signature and sign your documents.

FREE TO USE

Signo is completely free. No hidden fees, no premium tiers, no in-app purchases. Every feature is available from day one.

Perfect for signing contracts, agreements, forms, permission slips, and any document that needs your signature. Fast, private, and always ready when you need it.