Apps Like Simple Circuit Builder for iPhone and iPad
Measure voltages and calculate resistance
Learn about resistors and resistance with interactive simulations. Configure up to eight component sections. Measure voltages across resistors and current through series and parallel circuits. Solve electrical circuits.
by David White★ 4.028 ratingsUtilitiesFreeData updated 2026-09-13
Convert units across 20 categories including length, temperature, volume, and mass. Input a value, select units, and instantly convert. Supports 190+ units for precise measurements. Syncs with devices for consistent use.
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