This app provides 33 essential calculators for surveying, measurement, and civil engineering tasks. It supports both Imperial (USCS) and Metric (SI) units, making it a versatile tool for engineers and surveyors on iOS devices.






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Whether you want more options like Altitude Recorder or a completely different take on the same concept, our curated list of 7+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






This app provides 33 essential calculators for surveying, measurement, and civil engineering tasks. It supports both Imperial (USCS) and Metric (SI) units, making it a versatile tool for engineers and surveyors on iOS devices.











Track important dates and countdown to them with customizable desktop widgets. This utility app also includes a date calculator, clock display, and decorative wallpapers to personalize your device.






Explore and visualize CAN bus data from various vehicles, including electric and gas-powered models. Connect to OBD-2 accessories to view live data, analyze message identifiers, and playback log files. Unlock advanced features for deeper analysis and customization with optional purchases.


Manage your residential EV charger with advanced features. Personalize the app by adding your vehicle, visualize your EV's state of charge during charging, and monitor your charger's network status. Supports multiple languages for a convenient user experience.