Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Price & rating history · US
Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.
Average rating
Ratings breakdown · US
The star breakdown behind this app's rating in this storefront.
Screenshots
About
Sig Earthquake is an innovative iOS app offering comprehensive earthquake risk management. It delivers real-time seismic data via USGS API, personalized risk assessments based on location, a community reporting system, and safety checklist management. Built with Swift 5.0, UIKit, and Core Data, it features bilingual support (English/Japanese), offline capabilities, and intuitive UI—empowering users to monitor earthquakes, assess risks, and prepare strategically for safety. Terms of Service： https://p4c8c0ejhq.feishu.cn/docx/WdeFdhJhPoHEUGx5hT6cnVlvnTc Privacy Policy： https://p4c8c0ejhq.feishu.cn/docx/RPqidutl7oV4npx5gn5cA2WwnQb
What's new · 1.3
Bug fixes and performance improvements
Details