JP Calc — Precision Calculators for iPhone and iPad
Built for builders and pros. From concrete and framing to electrical and HVAC, JP Calc speeds up jobsite math with rock-solid results.
About JP Calc
JP Calc is an independent developer focused on fast, accurate calculators for the App Store. We design tools that feel natural on iPhone and iPad and solve real field problems for contractors, architects, and engineers.
Why Pros Choose JP Calc
4.8★
App Store rating
50K+
Pro users
12+
Built-in calculators
48h
Avg. response time
What our users say
Built for contractors, architects, and engineers
“JP Calc’s concrete and rebar tools save me hours on site.”
Mike R., General Contractor
“Clean, fast, and accurate. Exactly what I need for quick checks.”
Alina K., Architect
“From takeoffs to unit conversions, it just works.”
Devon S., Civil Engineer
