About this app
A beautifully illustrated quiz of the human heart. Learn the basic anatomy of the heart from anterior, posterior and cross-sectional views. Test yourself by seeing how quickly you can master dozens of terms used to describe the most fascinating organ of the human body.
Latest release
What’s New
Updated UI.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 24, 2026 · 5:59 AM $2.99
Screenshots
