The Hanna Lab App transforms iPhones and iPads into sophisticated pH meters when paired with Hanna Instruments’ HALO or HALO2 Bluetooth pH probes, as well as with the HI98494 Multiparameter Bluetooth Portable pH/EC/DO meter and the HI97115 Marine Master Waterproof Multiparameter Photometer. This free utility app features Hanna Cloud compatibility, enabling automatic data uploads for enhanced data management and analysis.

Key functionalities include comprehensive calibration screens, dynamic graphing capabilities, and the ability to annotate and share data in PDF or CSV formats. Users can access real-time measurements, trend graphs, log history, and customizable device settings. Additionally, the app supports firmware updates for connected devices and allows for user-defined target ranges, making it a versatile tool for professionals and hobbyists in various fields.