About this app
Explore historic sites and tours around the Northern Plains region of the United States. Plains History is sponsored by the National Trust for Historic Preservation, Center for Western Studies, and Augustana University History Department.
Latest release
What’s New
Fixes issue preventing tours from appearing in search results. Adds link to rate and review in app store. Minor security improvements.
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 · 9:02 AM Free
Screenshots
