Best Annotating Apps

180+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated June 2026

With an average user rating of 4.6★, the annotating category is one of the App Store's strongest. Browse all 180+ apps we track, sorted so the most loved ones surface first.

Top Picks for Annotating

Annotable: Annotation & Markup#1

Annotable: Annotation & Markup by 凌 王

Image Annotation & Markup
Editor's Choice
📷 Photo & Video
4.6😊(894 ratings)
FreeIn-App Purchases
Annotable: Annotation & Markup screenshot 1
Annotable: Annotation & Markup screenshot 2
Annotable: Annotation & Markup screenshot 3
Annotable: Annotation & Markup screenshot 4
Annotable: Annotation & Markup screenshot 5

This app provides a comprehensive suite of tools for annotating and marking up images. It offers a wide range of customization options for common annotation elements and unique features like text highlighting on screenshots. The app supports various iOS system integrations for a seamless user experience.

What We Love

  • 🚀 Game changer
  • 🚀 Excellent—the built-in iOS markup features pale in comparison
  • 👍 Easy to use
  • 👍 Fantastic!

Room to Improve

  • 🐛 Blur broken ios26
  • 🔒 Can't undo
  • 💰 Paid app, free version is worthless
Goodnotes: AI Notes, Docs, PDF#2

Goodnotes: AI Notes, Docs, PDF by Goodnotes Limited

Note taking, canvas & work app
Strong Contender
📊 Productivity
4.7😊(431K ratings)
FreeAdsIn-App Purchases
Goodnotes: AI Notes, Docs, PDF screenshot 1
Goodnotes: AI Notes, Docs, PDF screenshot 2
Goodnotes: AI Notes, Docs, PDF screenshot 3
Goodnotes: AI Notes, Docs, PDF screenshot 4
Goodnotes: AI Notes, Docs, PDF screenshot 5
Goodnotes: AI Notes, Docs, PDF screenshot 6

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.

What We Love

  • 🚀 Excellent note-taking experience
  • 👍 Intuitive and user-friendly interface
  • 🚀 Smooth writing with Apple Pencil
  • 📁 Powerful organization with folders and notebooks

Room to Improve

  • 🐛 Glitches and crashes
  • 🔍 Syncing and iCloud issues
  • 🔍 Lack of flexibility with text input
Noteful: Notes & PDF Markup#3

Noteful: Notes & PDF Markup by Noteful Technologies Ltd

Highlight. Write. Learn.
Worth Considering
📊 Productivity
4.8😊(22K ratings)
FreeIn-App Purchases
Noteful: Notes & PDF Markup screenshot 1
Noteful: Notes & PDF Markup screenshot 2
Noteful: Notes & PDF Markup screenshot 3
Noteful: Notes & PDF Markup screenshot 4
Noteful: Notes & PDF Markup screenshot 5
Noteful: Notes & PDF Markup screenshot 6

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.

What We Love

  • 🚀 Smooth writing experience
  • 👍 Intuitive and easy to use
  • 💡 Layers feature
  • 👍 Affordable one-time purchase

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 🔍 No handwriting recognition or search
  • 🔍 Limited text editing options

More Annotating apps to explore

4
Notability: AI Notes & PDF app
Notability: AI Notes & PDF app
Notability: AI Notes & PDF app
Write, type, annotate, draw
Free

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.

Handwritten and typed notesPDF and document annotationAudio recording and transcription
📊 Productivity
(450K)
freemium
5
Drawboard PDF Annotate, Markup
Drawboard PDF Annotate, Markup
Drawboard PDF Annotate, Markup
Annotate & Markup Notes, Files
Free

Enhance your PDF workflow with powerful annotation and markup tools. This app offers a dynamic and intuitive experience for editing, drawing, and adding text to your documents. Access your work across multiple devices and collaborate in real-time.

Dynamic PDF annotation toolsCross-platform access and cloud syncReal-time collaboration
📊 Productivity
(1.7K)
free with in-app purchases
6
iAnnotate 4 — PDFs & more
iAnnotate 4 — PDFs & more
iAnnotate 4 — PDFs & more
A better way to markup
$9.99

This app allows users to read, annotate, and share various document types including PDFs, Office files, images, and web pages. It offers a wide range of annotation tools, cloud storage integration, and advanced features for efficient document management and markup.

Annotate PDFs, Office files, images, and web pagesExtensive annotation tools (pen, highlighter, typewriter, stamps)Cloud storage integration (Box, Dropbox, Google Drive, OneDrive)
📊 Productivity
(8.8K)
paid
7
Annot8: Annotation & Markup
Annot8: Annotation & Markup
Annot8: Annotation & Markup
Best Annotation & Markup Tool
Free

Easily add customizable text, shapes, and drawings to your photos. Highlight important areas, blur backgrounds, and edit images with tools like cropping and rotation. Share your annotated creations instantly across multiple platforms.

Customizable text and shapesHighlighting and spotlight toolsFreehand drawing and handwriting
📷 Photo & Video
(11)
free with in-app purchases
8
Annotate - Text, Emoji, Stickers and Shapes on Photos and Screenshots
Annotate - Text, Emoji, Stickers and Shapes on Photos and Screenshots
Annotate - Text, Emoji, Stickers and Shapes on Photos and Screenshots
by Linebreak
Free

Easily add text, emojis, stickers, and shapes to photos and screenshots. Redact sensitive information or add captions before sharing with friends on your favorite social media and messaging apps.

Add text, arrows, and pen annotationsUse stickers and built-in emojisPixelate tool for redaction
📷 Photo & Video
(478)
free
9
iMark · Image Annotation Tool
iMark · Image Annotation Tool
iMark · Image Annotation Tool
All-in-One Image Markup Tool
Free

Enhance and annotate images with a comprehensive set of tools. Import from your photo library, camera, or maps, and customize your markups with various styles. Easily export and share your creations.

Diverse annotation tools (arrow, text, mosaic, etc.)Import from photo library, camera, and mapsCustomizable color schemes and history sessions
📊 Productivity
(377)
free with in-app purchases
10
Annotation Control
Annotation Control
Annotation Control
Annotation Control
Free
🔧 Utilities
(0)
11
Snap Markup - Annotation Tool
Snap Markup - Annotation Tool
Snap Markup - Annotation Tool
Annotate Photos, Images & Pics
$1.99

Easily edit and annotate photos, images, and pictures with a wide array of tools. Add text, shapes, stickers, blur sensitive areas, and magnify details. Save in high quality and share your creations quickly.

Crop and rotate images in various shapesAdd text with customizable stylesPixelate and blur sensitive areas
🔧 Utilities
(3.5K)
free
12
Toloka Annotators
Toloka Annotators
Toloka Annotators
Manage tasks and earnings
Free

This app allows users to manage and perform tasks on the go, track project progress, and monitor earnings. It provides mobile flexibility to work on your schedule and access payment information easily.

Manage and perform tasksTrack task progressMonitor earnings and payments
💼 Business
(1)
free
13
Notator | Annotate Documents
Notator | Annotate Documents
Notator | Annotate Documents
Taking notes, annotating PDFs
Free
📊 Productivity
(0)
14
AnnotateUp - Image Annotation
AnnotateUp - Image Annotation
AnnotateUp - Image Annotation
Annotate photos, markup image
Free
💼 Business
(0)
15
Annotate: Screenshot Markup
Annotate: Screenshot Markup
Annotate: Screenshot Markup
Fast markup for images.
Free
📊 Productivity
(1)
16
Piiico · Image Annotation
Piiico · Image Annotation
Piiico · Image Annotation
I have all the tools you need
Free

Easily mark up and share your images to communicate ideas more clearly. Offers a wide range of annotation tools with customizable styles, including smart text highlighting and fun face covering options. Export and share your annotated images conveniently.

Rich annotation tool libraryDiverse markup stylesInstant face detection and cover
🔧 Utilities
(116)
free with in-app purchases
17
Annotate+ Markup image
Annotate+ Markup image
Annotate+ Markup image
Markup image in an easy way
Free

Easily mark up images with a wide array of tools like lines, text, and effects. Create collages, combine screenshots into long images, and manage photos with widgets. Share annotated images directly.

Extensive annotation tools (lines, text, effects)Fast tool switching with swipe gestures29 collage formats
📊 Productivity
(114)
free with in-app purchases
18
Hylinker - Annotate with links
Hylinker - Annotate with links
Hylinker - Annotate with links
Link your annotations & notes
Free

Enhance your web browsing by annotating pages and creating bidirectional links between your notes and collected content. Save text, images, and even timestamped video notes, then organize them with hyperlinks for easy retrieval. Sync your annotations across devices and integrate with popular note-taking apps.

Annotate web pages with text and imagesTake timestamped video notes and screenshotsOrganize annotations with hyperlinks
📊 Productivity
(2)
free
19
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
Edit, annotate, view documents
Free

Edit, annotate, and read PDF documents on your iPhone and iPad. Highlight text, add notes, shapes, voice recordings, and photos. Search your entire PDF library, fill out forms, and sign documents.

Edit and annotate PDFsHighlight text and add notesEmbed audio and photo annotations
📊 Productivity
(6.8K)
subscription
20
PDF Connect Free - View, Annotate & Convert PDFs
PDF Connect Free - View, Annotate & Convert PDFs
PDF Connect Free - View, Annotate & Convert PDFs
by Build to Connect, Inc.
Free

This app provides a comprehensive suite of tools for managing PDF documents. It allows users to view, edit, scan, convert, and fill out PDF forms. Seamless cloud integration and annotation features enhance productivity on the go.

Fast document renderingPDF editing and scanningPDF conversion
💼 Business
(370)
paid