Best Image Annotation Apps

237+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our image annotation list covers 237+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Compare top Image Annotation Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1iMark · Image Annotation TooliMark · Image Annotation ToolFree4.6★ (377)NoYesJul 2026
2Piiico · Image AnnotationPiiico · Image AnnotationFree4.5★ (116)NoYesJul 2026
3Annotate+ Markup imageAnnotate+ Markup imageFree4.1★ (114)NoYesJul 2026
4AnnotateUp - Image AnnotationAnnotateUp - Image AnnotationFreeNoYesJul 2026
5Annotable: Annotation & MarkupAnnotable: Annotation & MarkupFree4.6★ (894)NoYesAug 2026
6Loopsie: AI Image EffectsLoopsie: AI Image EffectsFree4.6★ (30K)YesYesAug 2026
7Reverse Image Search & AI LensReverse Image Search & AI LensFree4.5★ (41K)YesYesAug 2026
8Photoshop Express Photo EditorPhotoshop Express Photo EditorFree4.7★ (740K)NoYesAug 2026

Top Picks for Image Annotation

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
Annotate+ Markup image#3

Annotate+ Markup image by 奕才 杨

Markup image in an easy way
Worth Considering
📊 Productivity
4.1(114 ratings)
FreeIn-App Purchases
Annotate+ Markup image screenshot 1
Annotate+ Markup image screenshot 2
Annotate+ Markup image screenshot 3
Annotate+ Markup image screenshot 4

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.

More Image Annotation apps to explore

4
AnnotateUp - Image Annotation
AnnotateUp - Image Annotation
AnnotateUp - Image Annotation
Annotate photos, markup image
Free
💼 Business
(0)
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
Loopsie: AI Image Effects
Loopsie: AI Image Effects
Loopsie: AI Image Effects
Video Editor & Photo Generator
Free

Transform your photos and videos with AI-powered effects. Create stunning 3D animations, anime characters, and dynamic visuals with a wide range of filters and presets. Easily share your creations across social media platforms.

AI Anime Generator3D Photos with motion effectsPopular AI effects and presets
📷 Photo & Video
(30K)
freemium
7
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
8
Photoshop Express Photo Editor
Photoshop Express Photo Editor
Photoshop Express Photo Editor
Video, AI Retouch, Pic Collage
Free

Easily edit photos and videos with a wide range of tools and presets. Create collages, enhance portraits, and add text or filters. Share your creations instantly to social media.

One-touch photo transformationsSimple video editingPhoto collage creation
📷 Photo & Video
(740K)
free with in-app purchases
9
GoArt - AI Art Image Generator
GoArt - AI Art Image Generator
GoArt - AI Art Image Generator
AI Art Generator, Anime Filter
Free

Transform your photos into unique artworks with AI. Easily create cartoon avatars, generate art from text prompts, and apply various artistic filters. You can also mint your creations as NFTs and edit backgrounds with a single click.

AI Art Generator from TextPhoto CartoonizerArtistic Style Filters
🎨 Graphics & Design
(3.3K)
free with in-app purchases
10
Leonardo.Ai - Image Generator
Leonardo.Ai - Image Generator
Leonardo.Ai - Image Generator
Create stunning art with AI.
Free

Create stunning AI art and videos with a comprehensive creative platform. Generate images and videos using advanced AI models, edit them with intuitive tools, and upscale them for high-definition results. Streamline your workflow with pre-designed templates and join a large community of creators.

AI image generationAI video generationAI image editing
🎨 Graphics & Design
(10K)
free with in-app purchases
11
Lens: Reverse Image Search AI
Lens: Reverse Image Search AI
Lens: Reverse Image Search AI
Scan Image, Identify Anything
Free

This app allows you to perform visual searches across multiple search engines simultaneously. Verify image authenticity, research people or places, find similar products, or locate celebrities using just an image.

Multi-engine image searchImage source verificationPeople and place research
🔧 Utilities
(1K)
free with in-app purchases
12
OM Image Share
OM Image Share
OM Image Share
by OM Digital Solutions Corporation
Free

Wirelessly import photos from your camera to your smartphone. Control your camera remotely for shooting, and access tutorial videos for photography techniques. Organize your images and track data, and enhance photos with creative filters.

Wireless photo importRemote shooting controlLive View on smartphone
📷 Photo & Video
(4.1K)
free with in-app purchases
13
Photo Lab — AI Image Editor
Photo Lab — AI Image Editor
Photo Lab — AI Image Editor
Picture Generator: Edit & Art
Free

Transform your photos with a vast collection of realistic effects, artistic filters, and AI-powered tools. Easily create stunning montages, collages, and personalized greeting cards with a user-friendly interface. Enhance your images with a built-in editor and share your creations instantly.

AI-driven art style transferBackground replacementMakeover options
📷 Photo & Video
(185K)
free with in-app purchases
14
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
(711)
free with in-app purchases
15
Lens: Translate & Photo Finder
Lens: Translate & Photo Finder
Lens: Translate & Photo Finder
Scan photos. Camera translator
Free

Search the world around you using your camera. Find information about images, videos, products, and more with powerful visual search capabilities. Translate text directly from your surroundings.

Image searchVideo searchProduct search
🔧 Utilities
(12K)
free with in-app purchases
16
Ideogram AI - Image Generator
Ideogram AI - Image Generator
Ideogram AI - Image Generator
AI Design Tool for Creators
Free

Transform text prompts into realistic images, artwork, and sophisticated layouts. Refine your creations with an AI editor to adjust details, extend scenes, or remove backgrounds. Generate custom logos, polished headshots, and face swaps with ease.

AI image generation from text promptsAI image editing toolsCustom logo creation
🎨 Graphics & Design
(2.6K)
free with in-app purchases
17
Convert Image To PDF tools
Convert Image To PDF tools
Convert Image To PDF tools
Image to Pdf Convert
Free

Easily convert images into high-quality PDFs with this offline tool. It offers unlimited conversions, file size display, and sharing options. Customize your PDFs with page numbering, borders, and renaming capabilities.

Unlimited image to PDF conversionOffline functionalityNo ads
📊 Productivity
(2.6K)
freemium
18
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
19
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
20
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

FAQ about Image Annotation

What are the best image annotation apps for iPhone?
iMark · Image Annotation Tool tops our image annotation apps ranking as of July 2026, with a 4.6-star average from 377 App Store ratings, and it's free to download.
Yes — 20 of the top image annotation apps we rank are free to download, including iMark · Image Annotation Tool and Piiico · Image Annotation.
iMark · Image Annotation Tool has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 237+ image annotation apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
iMark is a powerful yet simple tool designed for annotating and marking up images. It provides a wide array of tools to add text, shapes, arrows, and other visual elements to your photos. You can also import images from your photo library, camera, or even maps to begin your annotation process.
Key features include a comprehensive set of annotation tools like arrows, rectangles, circles, text, magnifiers, and mosaic. It allows creation from photo libraries, maps, or an empty canvas, with easy export options and customization for color schemes and history. Advanced features like crop and layer management are also supported.

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