Fixes a crash where the app could show a black screen and close on every launch on iPhones with 4 GB of memory (such as iPhone 12 mini). Thanks to everyone who reported it.

Lab practical mode: a timed spotter exam on the 3D body. Each station tags one structure and you name it before the clock runs out, with follow-up questions on nerves, actions and sides like the real exam. Every miss goes straight into your reviews. 382 new structures: the arteries and veins of the whole body, the venous sinuses, the heart valves, the bronchial tree and the oesophagus, ureters and bile ducts, with 15 new lessons under Blood vessels & tubes. Plus fixes: searching for an organ or vessel now always shows it.

Made for iPhone Duo. Unfold it and the whole body opens up across the big screen. Half fold it like a book or prop it up like a laptop and the body moves clear of the crease, so nothing is ever split by the hinge. New on Apple Watch: a daily "name this structure" quiz on your wrist, with your streak and due count on the watch face. Every answer syncs back to your iPhone schedule. Also new: Anatomy Recall for Mac, Apple TV and Apple Vision Pro, included with your purchase.

Dark mode: Settings > Theme > Dark mode turns any theme true black. Realistic eyes: sclera, iris and a clear cornea instead of one flat ball. Cleaner x-ray in close-ups, and you can now remove parts there too. Sharper surface detail when you zoom right in.

Watch the body move • Range of motion: bend the elbow, raise the shoulder, flex the knee and more, on the real 3D body, through measured normal ranges (CDC study). • Muscle actions: tap a muscle and "Watch it work" to see the joint it moves and how much it shortens. • Organs in motion: a beating heart and quiet or deep breathing, driven by measured volumes and timings. New to explore • Micro tab: 3D micro-anatomy, organ close-ups and full-screen tissue diagrams. • Animated models: beating heart, breathing lungs and a walking skeleton. • Joints, ligaments, lymph nodes and muscle attachments. • Textbook lessons and quiz questions with thumbnails. Looks and feel • More realistic lighting and tissue detail. • Smoother: up to 120 Hz on ProMotion screens. • Labels on the Explore tools, bigger iPad layouts, plus fixes.

iPad: a proper iPad layout. The 3D body now fills the screen in every orientation, questions float over it, and tapping a structure in Explore pins its label to the body and grows into the full card as you zoom in. iPhone: find and type questions no longer push the body off the screen, and the keyboard no longer covers the answer box. Daily reminder, one tap from the end of a session, that tells you how many structures are due. Text size setting. Rectus abdominis now sits under the sheath it belongs to. Restore button in Explore is easier to see.

A small tune-up for launch week. - The app now asks what you think of it after a strong second session rather than a fifth, so early feedback reaches the store sooner - Everything else is unchanged: same 872 structures, same one-time purchase, still no ads, no subscription, no account

Every nerve question in the boss exams is now winnable, and every one of the 872 structures says its own name again. - Fixed: the nervous-system boss exam could not be completed - Fixed: the lesson path showed "0 of 80 done" no matter how many lessons you had finished - Restored audio for every structure in the app - Cerebellum structures rebalanced into the main question pool - New: pick your own highlight colour in Settings - Odd-one-out now runs on nerve questions too