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Plainsign: Sign PDF Documents

eSign, Fill Forms & Edit PDF
Cihat Karaboga · Business
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App info

Developer
Cihat Karaboga
Category
Business, Productivity
Released
Oct 21, 2026
Version
1.0.0 (Oct 21, 2026)
Price
Free
Size
41.2 MB
Requires
iOS 17.0
Age rating
4+
Languages
English, French, German, Japanese, Korean, Simplified Chinese, Traditional Chinese, Turkish

In-app purchases

Pro Lifetime$79.99
Pro Yearly$29.99
Pro Weekly$9.99
Current prices, App Store US.
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About Plainsign: Sign PDF Documents

Sign any PDF in about 30 seconds, right on your iPhone or iPad. Import a contract, lease or form, tap the highlighted fields, add your signature and share the signed copy. No account, no uploads: every document stays on your device. FIELDS FOUND FOR YOU Plainsign reads the page and highlights every place to fill in: form fields, blank lines and empty check boxes, even on scanned paper. Tap "Next field" and work through the document in order. SIGN THE WAY YOU LIKE • Draw with your finger or Apple Pencil, with pressure-sensitive ink • Type your name in one of four handwriting styles • Use a photo of your signature on paper • Save your signature and initials for next time FILL IN EVERYTHING • Text, dates, check marks and initials anywhere on the page • My info: your name, email, phone and address in one tap • Initials on every page at once • Snapping and a magnifier for precise placement…
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