About this app
Kor offers a mobile interface for YSI’s industry-leading EXO Multiparameter Water Quality Sondes, providing powerful, real-time water quality monitoring capabilities in the palm of your hand. Connect to Kor Mobile on your iOS device using a KorLink Bluetooth adapter connected to an EXO sonde via a field cable to establish a Bluetooth connection to view and manage water quality data directly in the field. No internet connection required. Key Features: • Data Management – View recorded data and transfer or share data files in the field • Site Management – Organize and access data by location • Deployment Tools – Streamline setup and configuration in the field • Sensor Calibration – Perform calibrations directly from your phone • Instrument Settings – Adjust parameters and settings with ease • App Settings – Customize your experience
Latest release
What’s New
Added localization support for a better multilingual experience. The app is now available in the following languages: • Korean • Deutsch (German) • Spanish (Spain) • Spanish (US) • French • Italiano (Italian) • Chinese (Simplified) • Japanese • Portuguese • Norge (Norwegian)
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 21, 2026 · 2:10 PM Free
Screenshots
