About this app
Help Herbie thrive by navigating the river, eating crawfish, and avoiding natural and man-made hazards. Learn about the lifecycle and preservation of the Hellbender Salamander, North America’s largest salamander.
Latest release
What’s New
This update from Apple will improve the functionality of this app. No new features are included.
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 16, 2026 · 9:41 PM Free
Screenshots
