Easily edit, merge, and convert PDF files with a comprehensive set of tools. Modify text and images, add annotations, and secure your documents with password protection and digital signatures.
4.3(187 ratings)
FreeIn-App Purchases
Best apps like Sign PDF: Editor & Certificate
10+ similar apps compared and reviewed
4.6 avg rating
10 free apps
Updated August 2026
Sign PDF is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.
Top Alternatives to Sign PDF
4.6(18 ratings)
Free
Easily create and export digital signatures directly from your mobile device. Use your touchscreen to draw your signature and then paste it into any document.
4.1(23 ratings)
FreeAdsIn-App Purchases
Effortlessly sign documents digitally by drawing directly on your screen or using your device's camera. This tool eliminates the need for printing and scanning, offering a fast, modern, and eco-friendly way to manage agreements on the go.
More apps like Sign PDF
4
Sign PDF - Scan & Fill
Easy & Fast PDF Signer
Free
Easily scan paper documents into PDFs, add handwritten signatures, and type text into forms directly from your iPhone. Save and share completed documents quickly without needing an account.
Scan documents to PDFAdd handwritten signaturesType text into forms
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free5
PDF Merge - Document Sign PDF
PDF Merger,combine & split pdf
Free
Easily merge multiple PDF files into one cohesive document or split large PDFs into smaller sections. This app also allows you to fill out forms and add your signature directly within the application.
Merge multiple PDFsSplit large PDFsFill and sign documents
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free with in-app purchases6
PDF Editor: Edit Text
Annotate, Sign & Fill Forms
Free
This app offers robust PDF editing and compression tools, allowing you to reduce file sizes by up to 90% while preserving quality. It also provides features for annotating, filling forms, signing documents, and managing PDFs.
Powerful PDF compression up to 90%Edit text, add annotations, and shapesFill forms and add digital signatures
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freemium7
Simple PDF Editor
You can easily edit the PDF!
Free
Easily edit PDF documents by deleting, rotating, sorting, extracting, or combining pages. Secure your files with password protection and unlock them. The free version lets you preview edits before purchasing tools or the professional version for full access.
Delete PDF pagesRotate PDF pagesSort PDF pages
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free with in-app purchases8
Signature: sign documents
sign,signature maker
Free
This app allows you to create, store, and apply digital signatures to various document types. It supports PDF, Word, and PowerPoint files, with options to draw or scan signatures. Signed documents can be exported in multiple formats.
Draw or scan signaturesSupport for PDF, Word, and PowerPointUnlimited signature storage
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subscription9
E-Signature: Digital Signer
Electronic document signer
Free
Effortlessly sign, manage, and organize your documents from your mobile device. Securely create legally binding e-signatures, track progress, and send reminders. Offers a free tier with premium subscription options.
Create e-signaturesManage and organize documentsTrack signing progress
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free with in-app purchases10
eSign – PDF Documents Filler
Fill & e-Sign: Signature Maker
Free
Streamline your paperwork by filling out, signing, and sending documents digitally. This app allows you to create custom e-signatures, scan paper documents into PDFs, and manage your files securely from your device.
Autofill documents with saved informationScan and sign PDF documentsCreate custom e-signatures
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free with in-app purchases