191+ iOS apps curated and reviewed
The best nejm image challenge apps on iPhone average 4.0★ across 191+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $9.99 | 4.8★ (9) | No | No | Jul 2026 |
| 2 |  | Free | 4.4★ (5.2K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.4★ (1K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 3.8★ (5.1K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.5★ (41K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 2.2★ (226) | No | Yes | May 2026 |
| 7 |  | Free | 4.4★ (1.6K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.7★ (13K) | Yes | Yes | Jul 2026 |
Test and sharpen your diagnostic and visual skills with challenging clinical photos. This app offers detailed images with zoom capabilities and immediate feedback on diagnoses. It's designed for medical professionals to practice anytime, anywhere.
Engage in a global photography community through fun, competitive challenges. Submit your photos, gain votes, and improve your skills to earn recognition and potentially exhibit your work.
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.
This utility app allows you to search for images using multiple search engines like Google, Bing, Yandex, and TinEye. It helps verify photo sources, find similar products, and discover information about images from your gallery or camera.
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.
Perform reverse image searches to uncover the origin and usage of any photo. Identify subjects, find duplicate or edited versions across the web, and detect fake profile pictures.
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.
Connect with a global community of photographers to participate in creative challenges and photo contests. Improve your skills with feedback, editing tools, and inspiration from millions of shared images. Win exciting prizes and get discovered.
Compete in creative photo and video challenges, rate others' submissions, and earn rewards. Showcase your talent in various categories for a chance to win real prizes weekly.
This app offers a wide range of AI-powered tools to enhance and edit your photos. Restore old images, remove unwanted objects, recolor pictures, and apply numerous filters and effects to transform your photos into art.
This app connects your mobile device to desktop software for product photography. It allows you to capture images directly from your phone and have them appear in your computer application, streamlining your workflow.
Create stunning photo art with advanced layering, blending, and masking tools. This powerful editor offers a wide array of adjustments, effects, and brushes for both professionals and amateurs. Save your work in sessions and reuse masked images as stickers.
Identify objects and find information about them by using your camera or existing photos. Simply point your device or upload an image to discover details about what you're seeing.
Transform your ideas into unique digital artwork using artificial intelligence. Explore a vast library of artistic styles and generate stunning visuals with simple prompts or sketches. Easily export and share your creations.
Easily search for images using various search engines like Google, Bing, Yandex, and TinEye. Verify photos, identify objects, or find the source of an image with AI-powered detection. Search directly from your camera, photo library, or web URLs.
Verify the source of photos by searching images from your camera or gallery. Find similar images, check for fakes, and discover related information online. Includes image cropping functionality.
Enhance, retouch, and restore your photos with AI-powered tools. Improve image quality, perfect portraits, revive old pictures, and generate new images from text prompts.
Transform your ideas into stunning images and videos using AI. This app allows you to generate visuals from text descriptions, animate photos, and edit them with professional tools. Explore a community feed of creations and share your own.