A comprehensive scientific calculator for iOS that mimics the functionality of a physical device. It offers advanced calculations, unit conversions, and fraction support without any advertisements.
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Whether you want more options like Carpenter Tools or a completely different take on the same concept, our curated list of 23+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.










A comprehensive scientific calculator for iOS that mimics the functionality of a physical device. It offers advanced calculations, unit conversions, and fraction support without any advertisements.






This app provides over 250 DIY and home improvement calculations and unit conversions. Easily solve a variety of tasks, save and share your results, and quickly find the tool you need.






Easily calculate the number and placement of balusters for deck or stair railings. Input railing length, baluster width, and spacing to ensure code compliance. Supports multiple rail sections and units of measurement.


This utility app eliminates the frustration of manual calculations for evenly distributing items. It provides precise measurements for projects like installing balusters, hanging art, or building fences, working in either direction to find piece count or gap size.


This app calculates precise baluster spacing for handrails, accommodating both flat and sloped surfaces. It provides detailed measurements for installation, including the number of balusters, spacing between them, and marking points. Users can also switch between metric and imperial units for convenience.




This utility app assists with stair design by instantly calculating crucial measurements like rise, run, and rail angle. It supports high precision with up to 16 decimal places and offers flexibility with various input units. Results can be easily copied to other applications for seamless workflow integration.