Transform your mobile device into a sophisticated pH meter. Connect wirelessly to specialized probes for accurate measurements in various applications. The app guides you through calibration, data logging, and export.





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Whether you want more options like Calc pH or a completely different take on the same concept, our curated list of 29+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.





Transform your mobile device into a sophisticated pH meter. Connect wirelessly to specialized probes for accurate measurements in various applications. The app guides you through calibration, data logging, and export.




















Perform preliminary audits on boiler efficiency and identify various losses in steam generation. Customize boiler applications, compare fuel grades, and analyze heat balance and flue gas for potential savings and improvements.


This utility app offers a suite of calculators for HVAC professionals, including psychrometric analysis, duct sizing, insulation R-value estimation, and air bypass calculations. It helps engineers and technicians quickly determine essential parameters for system design and analysis.



