Easily highlight text from images of books or articles. Capture text from photos or screenshots and emphasize key passages by blurring the surrounding content.




178+ iOS apps curated and reviewed
Out of 178+ highlighter apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.




Easily highlight text from images of books or articles. Capture text from photos or screenshots and emphasize key passages by blurring the surrounding content.






Capture, organize, and revisit key passages from your books with advanced text recognition. Create collections, add tags and notes, and easily export your highlights. Stop forgetting what you read and make your reading more impactful.






This app is a fast and lightweight PDF reader designed for research. It allows users to read, highlight, and annotate documents, and then extract this information into organized notes. Advanced features include table data extraction, text recognition, and smart copying of annotations into various formats.


This app revolutionizes paperless note-taking on iPad, allowing for handwritten notes, document annotation, and knowledge organization. It offers a fluid writing experience, PDF markup, powerful tagging, and audio recording synced with notes.


Easily hide sensitive information in photos and screenshots. The Magic Highlighter automatically detects text and covers it perfectly, ensuring no details are missed. Advanced features allow for automatic redaction of specific information and custom shortcuts for streamlined workflows.


This app provides a dynamic workspace for reviewing and organizing information from documents and webpages. It allows users to extract key facts, connect ideas across different sources, and annotate content for research, writing, or study.


Capture and organize quotes and images from physical books using your device's camera. Add notes, customize highlighter colors, and share your findings. Export your compiled excerpts into a PDF for easy reference.


Capture, organize, and enhance your thoughts with a versatile digital notebook. Seamlessly blend handwriting, typing, and multimedia to annotate documents, record lectures, and generate summaries. Ideal for students and professionals seeking to boost productivity and learning.


Easily edit and highlight text, photos, and documents directly on your phone. This app provides realistic highlighting tools and drawing functions to mark important sections of PDFs and images, allowing you to save and share your annotated files.


Enhance your messages with over 120 colorful marker and highlighter stickers. Perfect for correcting text, decorating photos, expressing emotions, and adding quick reactions to your conversations.


Capture ideas, enhance productivity, and unlock insights with advanced AI features. This app offers tools for professionals, students, and creatives, including infinite whiteboards, AI-powered transcription and summarization, and customizable digital notebooks.


This Safari extension automatically highlights your search terms on search result pages across popular engines. It offers a private, on-device solution to quickly find the information you need, replacing traditional find-in-page functions with enhanced capabilities.


Organize your thoughts and tasks with a digital card-based system. Easily create, schedule, and manage to-dos using natural language input and receive timely reminders. Syncs across devices for seamless productivity.


Annotate webpages directly within your Safari browser. Highlight text, add notes, and permanently save your edits for future review. All data is stored locally for simplicity and privacy.




This app is a comprehensive note-taking and PDF editing solution for mobile devices. It allows users to write, format, and organize notes, annotate PDFs, fill forms, and scan documents. The app offers advanced editing tools, powerful search, and seamless sharing and export options.


Easily highlight important passages in articles, save them for later, and share precise information with others. Never lose context or your train of thought again. Discover new content by browsing highlights from across the web.


Capture and organize online content with customizable highlighting tools. Easily tag, search, and share your collected ideas across multiple platforms and devices with a single click.


This tool allows you to highlight text and important excerpts directly on web pages within the Safari browser. It remembers your annotations, making it easier to revisit and learn from content effectively and selectively.


Add emphasis to your messages with bold, transparent stickers. Highlight important parts of conversations with animated strokes in various sizes. Perfect for drawing attention to memes, typos, or anything that matters.