1. Home
  2. Topics
  3. Image Annotation Tool

Best Image Annotation Tool Apps

204+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our image annotation tool list covers 204+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Image Annotation Tool

iMark · Image Annotation Tool#1

iMark · Image Annotation Tool by iDaily Corp.

All-in-One Image Markup Tool
Editor's Choice
📊 Productivity
4.6😊(377 ratings)
FreeIn-App Purchases
iMark · Image Annotation Tool screenshot 1
iMark · Image Annotation Tool screenshot 2
iMark · Image Annotation Tool screenshot 3
iMark · Image Annotation Tool screenshot 4
iMark · Image Annotation Tool screenshot 5

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.

What We Love

  • 👍 Intuitive and easy-to-use interface
  • 🎨 Comprehensive annotation tools (arrows, shapes, text, magnifier)
  • 💰 Completely free with no ads
  • 🎯 Powerful features for screenshot markup

Room to Improve

  • 💧 Persistent watermark on all saved images
  • 🌐 Language defaults to Chinese with difficult switching
  • 📝 Text size limitations on large images
Snap Markup - Annotation Tool#3

Snap Markup - Annotation Tool by Raghvendra Bhargava

Annotate Photos, Images & Pics
Worth Considering
🔧 Utilities
4.6😐(3.5K ratings)
$1.99
Snap Markup - Annotation Tool screenshot 1
Snap Markup - Annotation Tool screenshot 2
Snap Markup - Annotation Tool screenshot 3
Snap Markup - Annotation Tool screenshot 4
Snap Markup - Annotation Tool screenshot 5
Snap Markup - Annotation Tool screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Useful markup tools
  • 🤖 Functional for various use cases
  • 💰 Good value

Room to Improve

  • 🐛 Buggy and glitchy
  • 🔍 Limited zoom and editing capabilities
  • 🎨 Lack of customization options

More Image Annotation Tool apps to explore

4
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
5
Annotable: Annotation & Markup
Annotable: Annotation & Markup
Annotable: Annotation & Markup
Image Annotation & Markup
Free

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.

Common annotation tools (rectangles, text, arrows)Customizable colors, sizes, and fontsBlur and pixelation for obscuring information
📷 Photo & Video
(894)
free with in-app purchases
6
Photo Markup - Draw on Photos
Photo Markup - Draw on Photos
Photo Markup - Draw on Photos
Image Annotation & Marker Tool
Free

This app provides a comprehensive suite of tools for annotating and editing images without cropping. Users can draw, add text, stickers, and use specialized features like spotlighting, blurring, and magnification to highlight or obscure parts of an image. It also includes photo stitching and map annotation capabilities.

Freehand drawing and shape annotationCustomizable text overlaysSpotlight and blur tools
📊 Productivity
(293)
free with in-app purchases
7
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
8
AnnotateUp - Image Annotation
AnnotateUp - Image Annotation
AnnotateUp - Image Annotation
Annotate photos, markup image
Free
💼 Business
(0)
9
Screenshot Editor Capture Tool
Screenshot Editor Capture Tool
Screenshot Editor Capture Tool
Screenshot Editor & Capture
Free

Effortlessly transform your screenshots into professional, engaging visuals. Add stunning backgrounds, apply one-click styles, and customize every detail to make your content stand out on social media and in presentations.

Stunning backgrounds and gradients1-click style presets (Clean, Stacked, Browser)Customizable padding, corners, and shadows
📷 Photo & Video
(85)
free with in-app purchases
10
Preview mini: Image & PDF tool
Preview mini: Image & PDF tool
Preview mini: Image & PDF tool
Edit files like on desktop PC
Free

Edit and annotate images and PDFs with a desktop-like experience on your iPhone and iPad. Offers advanced features for viewing, converting, and managing files, inspired by macOS.

Image editing and croppingPDF annotation and editingFile conversion
🎨 Graphics & Design
(210)
free with in-app purchases
11
Reverse Image Search Tool App
Reverse Image Search Tool App
Reverse Image Search Tool App
Image search,search by image
Free

Easily search the web using images from your gallery or camera. Identify the original source of a photo, check for fakes, or find out who is in a picture. Edit images before searching to refine your results.

Search from gallery, camera, last image, URL, or clipboardIdentify photo owners and originsDetect fake or original images
📊 Productivity
(51)
subscription
12
Image Recognition And Searcher
Image Recognition And Searcher
Image Recognition And Searcher
Search Engine by Pic.tures
Free

Search the web using images instead of text. Upload photos from your gallery, take a new picture, or paste a web address to find similar images and verify sources. Includes editing tools and multiple search engine options.

Reverse image search (Google, Bing, Yandex)Search from gallery or cameraSearch by image URL
🔧 Utilities
(13K)
subscription
13
Reverse Image Search & AI Lens
Reverse Image Search & AI Lens
Reverse Image Search & AI Lens
Images Search & AI Lens Scan
Free

Instantly search the web using an image, photo, or URL to identify anything. Features AI-powered object recognition, text translation with OCR, and the ability to trace image origins. Perfect for verifying content and discovering information.

Search by image from camera, library, or URLAI Lens for object and landmark identificationTranslate text from images with OCR
🔧 Utilities
(41K)
free with in-app purchases
14
Reverse Image Search – RIMG
Reverse Image Search – RIMG
Reverse Image Search – RIMG
Reverse Image Lookup Tool
Free

Search the web using images instead of text. This tool aggregates results from multiple popular reverse image search engines, helping you find information, identify objects, and discover sources quickly and efficiently.

Search using imagesMultiple search engine resultsImage from gallery, URL, or clipboard
🔧 Utilities
(1.1K)
free
15
AnnotateIt AI
AnnotateIt AI
AnnotateIt AI
Image Annotation and Labeling
Free
🛠️ Developer Tools
(0)
16
Image Search: Lens AI
Image Search: Lens AI
Image Search: Lens AI
Reverse Image Search, Lens AI
Free

Search for images using various engines like Google, Bing, and Yandex. Verify image authenticity, find similar visuals, or gather information about a photo. Supports searching from your gallery, camera, web links, or clipboard.

Reverse image search (Google, Bing, Yandex)Search from gallery or cameraSearch by image URL
📊 Productivity
(1.6K)
freemium
17
Convert Image To Text Tool
Convert Image To Text Tool
Convert Image To Text Tool
Optical Character Recognition
Free

This application utilizes optical character recognition to convert images into editable text. It can extract words from photos and scanned documents, offering features like automatic border detection and perspective correction. Users can then edit, copy, and share the recognized text.

Image to text conversionExtract words from photosAutomatic document border detection
🔧 Utilities
(227)
free
18
Reversee: Reverse Image Search
Reversee: Reverse Image Search
Reversee: Reverse Image Search
Search by Images & Pictures
Free

This app allows you to search the web using images instead of text. Find webpages displaying a picture, higher resolution versions, or even social media profiles. It offers editing tools and integrates with popular browsers and other apps.

Search by imageCrop and rotate imagesSmart photo navigation
🔧 Utilities
(13K)
free with in-app purchases
19
Photos Measure - Image meter
Photos Measure - Image meter
Photos Measure - Image meter
Tag and note dimensions
Free

Quickly tag and annotate dimensions, angles, and shapes on your photos. Streamline decoration and measurement tasks with efficient project saving and export options. Enhance your workflow with various annotation tools and integration capabilities.

Finger gestures for drawing and taggingMultiple colors for lines and textAngle and shape tags
🔧 Utilities
(690)
free with in-app purchases
20
Annotium - Photo Annotation
Annotium - Photo Annotation
Annotium - Photo Annotation
Draw shapes and note on photo
Free

Easily add notes, shapes, and highlights to your photos for technical fields. Illustrate, track, and share your work visually with a variety of annotation tools. Ideal for students, professionals, and anyone needing to explain visual information.

Numerous built-in annotation toolsCustomizable shapes, text, and colorsHighlighting and magnifying features
📷 Photo & Video
(3)
free with in-app purchases