Best Sign Documents X Signature PDF Apps

233+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Out of 233+ sign documents x signature pdf apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Sign Documents X Signature PDF Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sign Documents x Signature PDFSign Documents x Signature PDFFreeNoYesMay 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (635K)NoYesAug 2026
3Docusign - Upload & Sign DocsDocusign - Upload & Sign DocsFree4.9★ (820K)NoYesAug 2026
4SignNow: e-Signature appSignNow: e-Signature appFree4.5★ (18K)NoYesAug 2026
5xScan : Document Scanner AppxScan : Document Scanner AppFree4.6★ (31K)NoYesAug 2026
6Signeasy: Sign PDF DocumentsSigneasy: Sign PDF DocumentsFree4.9★ (34K)YesYesAug 2026
7Fill and Sign Documents: eSignFill and Sign Documents: eSignFree4.3★ (4.8K)YesYesAug 2026
8Genius Sign: PDF doc signatureGenius Sign: PDF doc signatureFree4.9★ (12K)NoYesAug 2026

Top Picks for Sign Documents X Signature PDF

Acrobat Reader: PDF Editor#2

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Editor & Converter
Strong Contender
💼 Business
4.7😞(637K ratings)
FreeIn-App Purchases
#2in Business
Acrobat Reader: PDF Editor screenshot 1
Acrobat Reader: PDF Editor screenshot 2
Acrobat Reader: PDF Editor screenshot 3
Acrobat Reader: PDF Editor screenshot 4
Acrobat Reader: PDF Editor screenshot 5
Acrobat Reader: PDF Editor screenshot 6

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

What We Love

  • 🚀 Fast and efficient
  • 🔒 Secure document storage
  • 👍 Convenient for reading and annotating PDFs
  • 👍 Useful for students and professionals

Room to Improve

  • 🐛 Buggy and unreliable
  • 🔒 Overly intrusive login requirements
  • 💰 Expensive subscription model
Docusign - Upload & Sign Docs#3

Docusign - Upload & Sign Docs by Docusign

Sign PDFs & Contracts
Worth Considering
📊 Productivity
4.9😊(821K ratings)
FreeIn-App Purchases
#29in Productivity
Docusign - Upload & Sign Docs screenshot 1
Docusign - Upload & Sign Docs screenshot 2
Docusign - Upload & Sign Docs screenshot 3
Docusign - Upload & Sign Docs screenshot 4
Docusign - Upload & Sign Docs screenshot 5
Docusign - Upload & Sign Docs screenshot 6

Securely send and sign digital documents, contracts, and PDFs from any device. Create your own signature, upload files from various cloud services, and manage the signing process with ease. It's a legally binding and secure way to handle agreements.

What We Love

  • 🚀 Easy to use
  • 🚀 Convenient for signing documents on the go
  • 🚀 Saves time and effort
  • 🔒 Secure digital signatures

Room to Improve

  • 🐛 Glitches with placing signatures and text boxes
  • 🐛 Inconsistent performance across devices
  • 🐛 Issues with editing and updating documents

More Sign Documents X Signature PDF apps to explore

4
SignNow: e-Signature app
SignNow: e-Signature app
SignNow: e-Signature app
Sign documents & PDF forms
Free

Easily sign and manage PDF documents and other file formats with this comprehensive e-signature solution. Upload files, create templates, and collect legally-binding signatures from multiple parties. Securely store and access your documents online or offline.

E-sign documents without limitsCreate legally-binding e-signaturesUpload and fill PDF/Word documents
📊 Productivity
(18K)
free with in-app purchases
5
xScan : Document Scanner App
xScan : Document Scanner App
xScan : Document Scanner App
Photo text editor & PDF scan
Free

Transform your phone into a powerful document scanner. Capture, edit, and convert images into editable text or high-quality PDFs. Securely store and easily share your scanned documents.

Mobile document scanningOCR text extraction and editingSave as PDF, JPEG, or DOC
💼 Business
(31K)
free with in-app purchases
6
Signeasy: Sign PDF Documents
Signeasy: Sign PDF Documents
Signeasy: Sign PDF Documents
eSign, Fill PDF, Forms & Edit
Free

Easily sign and send documents for electronic signatures from your mobile devices. All signatures are legally binding and include a digital audit trail for security and compliance. Works across multiple platforms and integrates with cloud storage.

Sign documents electronicallySend documents for signatureFill and edit PDF forms
📊 Productivity
(34K)
free with in-app purchases
7
Fill and Sign Documents: eSign
Fill and Sign Documents: eSign
Fill and Sign Documents: eSign
PDF Editor & e Signature Maker
Free

This app allows users to fill out, sign, and manage PDF documents digitally. It supports creating electronic signatures, requesting signatures from others, and securely storing signed contracts with audit trails. Users can also scan documents and convert them into editable digital files.

Fill PDF formsCreate digital signaturesRequest e-signatures
📊 Productivity
(4.8K)
free with in-app purchases
8
Genius Sign: PDF doc signature
Genius Sign: PDF doc signature
Genius Sign: PDF doc signature
Annotate, fill, send documents
Free

Easily sign, date, and annotate documents directly on your device. Import files, add your signature by drawing or scanning, and insert text or dates. Save time with smart features that locate signature fields and repeat initials across pages.

Create and save signatures (draw or scan)Import PDF, Word, and image documentsInsert and format text and dates
💼 Business
(12K)
free with in-app purchases
9
Sign Documents: Fill & Sign
Sign Documents: Fill & Sign
Sign Documents: Fill & Sign
PDF Signer & Signature Maker
Free
🔧 Utilities
(0)
10
PDF Scanner ~ Scan Document
PDF Scanner ~ Scan Document
PDF Scanner ~ Scan Document
Photo to PDF Converter, Editor
Free

Transform your device into a powerful mobile scanner. Easily capture, edit, and share documents, IDs, and receipts as PDFs or JPEGs. Add signatures and annotations for professional document handling.

Scan documents to PDF or JPEGAdd and import signaturesAnnotate and edit scanned documents
💼 Business
(2.1K)
free with in-app purchases
11
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Scanner -OCR,PDF Converter
Free

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.

Read and edit PDFsAnnotate and markup documentsFill forms and add digital signatures
🔧 Utilities
(22K)
free with in-app purchases
12
eSign App: Sign PDF Documents
eSign App: Sign PDF Documents
eSign App: Sign PDF Documents
e-Signature: Signature Maker
Free

Transform your device into a powerful tool for signing PDF documents and other file types. Easily import, scan, sign, and share documents locally, or send them to others for their signatures. Integrates with popular cloud services for seamless workflow.

Sign documents anywhereFill and edit documentsCreate custom e-signatures
💼 Business
(1.5K)
subscription
13
PDF Maker & Scanner | Xodo
PDF Maker & Scanner | Xodo
PDF Maker & Scanner | Xodo
Annotate, Merge & Markup Files
Free

Edit, sign, convert, and organize PDF documents with a comprehensive suite of tools. Scan images to PDF, compress files, and integrate with cloud storage for seamless access across devices. Offers advanced annotation and drawing capabilities.

Edit PDFsScan to PDFFill & Sign Forms
💼 Business
(1.7K)
freemium
14
Adobe Acrobat Sign
Adobe Acrobat Sign
Adobe Acrobat Sign
Fill and Send PDF for eSign
Free

This app allows you to easily and securely get documents and forms signed electronically from anywhere. It enables you to sign documents yourself, send them to others for their signatures, track progress in real-time, and even scan paper documents into PDFs for signing.

Sign documents on the goSend documents for e-signatureTrack agreement progress
💼 Business
(635)
free with in-app purchases
15
Sign.Plus - Sign PDF Documents
Sign.Plus - Sign PDF Documents
Sign.Plus - Sign PDF Documents
Ad Free Electronic Signature
Free

This app provides a secure and legally-binding electronic signature solution for signing documents on mobile devices. It allows users to fill and sign PDFs, scan paper documents, and send documents to others for signature with tamper-proof audit trails.

Fill and sign documentsSend documents for signatureTamper-proof audit trails
💼 Business
(262)
free with in-app purchases
16
PDF Fill & Sign. Editor Filler
PDF Fill & Sign. Editor Filler
PDF Fill & Sign. Editor Filler
Document Reader and Signer
Free

Streamline document management with this app. Easily sign, fill, edit, and share PDFs on the go. Say goodbye to printers and scanners and embrace digital productivity.

Scan documentsE-sign documentsFill out forms
💼 Business
(6.5K)
subscription
17
eSign - Sign & Edit Documents!
eSign - Sign & Edit Documents!
eSign - Sign & Edit Documents!
Easy Digital Signature Now.
Free

Digitally sign documents from your phone or tablet in seconds. This app allows you to approve contracts, fill forms, and request signatures securely and legally. Streamline your document workflows without printing or scanning.

Digitally sign PDFs and filesUpload documents from cloud/emailSend signature requests
🔧 Utilities
(54)
free with in-app purchases
18
Sign Documents - Sign&Edit PDF
Sign Documents - Sign&Edit PDF
Sign Documents - Sign&Edit PDF
Add Signatures to PDF Document
Free

Easily add signatures, text, and images to your PDF documents. This user-friendly tool offers real-time saving and an intuitive interface for quick document personalization. Ideal for students and professionals needing efficient PDF editing.

Add signaturesInsert textAdd images
💼 Business
(65)
free with in-app purchases
19
JetSign: Fill & Sign PDF Docs
JetSign: Fill & Sign PDF Docs
JetSign: Fill & Sign PDF Docs
Form Filler, e-Signature App
Free

Easily sign documents, fill out forms, and get remote signatures from others. Convert various file types to signed PDFs with advanced security and audit trails. Streamline your agreement process with templates and cloud storage.

Sign documents with finger or stylusFill and edit text directly on formsInvite others for remote e-signatures
📊 Productivity
(1.4K)
free with in-app purchases
20
DocHub: Simple PDF Form Editor
DocHub: Simple PDF Form Editor
DocHub: Simple PDF Form Editor
Fill, edit, write & sign docs
Free

Easily fill, edit, sign, and share PDF documents directly from your mobile device. Create fillable forms, request eSignatures, and track document changes in real-time. Securely access and manage your documents from anywhere.

Fill and edit PDFsAdd eSignaturesCreate fillable forms
📊 Productivity
(364)
free with in-app purchases

FAQ about Sign Documents X Signature PDF

Are there free sign documents x signature pdf apps for iPhone?
Yes — 20 of the top sign documents x signature pdf apps we rank are free to download, including Sign Documents x Signature PDF and Acrobat Reader: PDF Editor.
Sign Documents x Signature PDF has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 233+ sign documents x signature pdf apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.