About this app
Create your own virtual high altitude balloon experiment to fly up the the stratosphere with the help of an atmospheric scientist. This activity was designed based upon the work of middle school students and real balloon missions they created, and is part of the suite of interactive lessons developed by the Laboratory for Atmospheric and Space Physics with the support of NASA.
Latest release
What’s New
Updated to work with the latest version of iOS
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 17, 2026 · 8:03 PM Free
Screenshots
