Best iSign alternatives: apps like iSign: PDF Scanner AI Editor

7+ similar apps compared and reviewed

4.5 avg rating
7 free apps
Updated November 2026

Looking for something like iSign? We've analyzed 7+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to iSign

Authenticator App - Duo Secure#2

Authenticator App - Duo Secure by Apperture Limited

2FA codes for favorite service
Strong Contender
💼 Business
4.5(24 ratings)
FreeIn-App Purchases
Authenticator App - Duo Secure screenshot 1
Authenticator App - Duo Secure screenshot 2
Authenticator App - Duo Secure screenshot 3

Enhance digital security with a multi-factor authenticator app. It provides an extra layer of protection for sensitive accounts and information, working offline for reliable access. Protect email, social media, financial accounts, and more with this user-friendly solution.

PDF Scanner Document Converter#3

PDF Scanner Document Converter by 兰 陈

Convert Photo, Word to PDF App
Worth Considering
💼 Business
4.5😞(549 ratings)
FreeAdsIn-App Purchases
PDF Scanner Document Converter screenshot 1
PDF Scanner Document Converter screenshot 2
PDF Scanner Document Converter screenshot 3
PDF Scanner Document Converter screenshot 4
PDF Scanner Document Converter screenshot 5
PDF Scanner Document Converter screenshot 6

Transform your phone into a powerful document scanner and converter. Easily capture paper documents, convert them to various formats like PDF or Word, and then edit, sign, or share them securely. All processing and storage happen locally on your device for enhanced privacy.

What We Love

  • 👍 Easy to use and intuitive interface
  • 📄 Converts photos to PDF documents effectively
  • 💼 Useful for business and professional needs
  • 📧 Allows emailing and faxing scanned documents
  • 📁 Keeps PDF file sizes small
  • ⭐ Outperforms competing scanner apps

Room to Improve

  • 💳 Aggressive subscription billing practices
  • ❌ Difficult or impossible to cancel subscription
  • 🐛 App crashes frequently
  • 📸 Poor scan quality and accuracy
  • 🚫 No free trial without payment method
  • 💰 Unexpected charges after trial period
  • 😤 Unresponsive customer service
  • ⚠️ Incompatible with older devices (iPhone 5S)
  • 🔧 Scanning functionality not working properly
  • 📧 Email delivery of files unreliable

More apps like iSign

4
Call Recorder・Voice Memos Pro
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Call Recorder・Voice Memos Pro
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Easily record phone calls and voice memos in high quality. Save important conversations, interviews, or personal notes with smart organization and secure storage. Effortlessly manage and share your audio files.

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5
PDF Scanner App: Scanner+ Docs
PDF Scanner App: Scanner+ Docs
PDF Scanner App: Scanner+ Docs
Sign Documents & Edit, Scan ID
Free

Transform your phone into a powerful scanner. Capture documents, photos, and even old memories, then enhance, edit, and share them in various formats. Organize your digital life with ease.

Scan documents and photosConvert to PDF, JPG, TXTSign and edit documents
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6
ShiftFlow: Track Team Hours
ShiftFlow: Track Team Hours
ShiftFlow: Track Team Hours
Time Clock Timesheets for Work
Free

This app simplifies team time tracking and scheduling with features like real-time clock-ins, GPS verification, and smart shift planning. It offers easy timesheet exports and team communication tools to help businesses save time and improve efficiency.

Real-time clock-ins with GPS verificationSmart shift scheduling and availability managementOne-click timesheet exports (CSV/PDF)
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7
PDF Editor - Edit Everything!
PDF Editor - Edit Everything!
PDF Editor - Edit Everything!
Convert, Sign, Merge, Compress
Free

Edit PDFs with precision, preserving original fonts, spacing, and layout. Modify text, images, and pages, then export without altering the document's appearance. Offers features like signing, merging, splitting, compressing, and converting files.

Edit PDF text, fonts, and imagesSign, fill, merge, and split PDFsCompress PDF file size
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