BuildCalc vs RedX Construction Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BuildCalc
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BuildCalc Pro is the free, no-ads construction calculator built for contractors, electricians, carpenters, and DIY pros. No subscriptions. No ads. Just fast, accurate calculations on the job site. CONCRETE - Slab calculator: cubic yards, cubic feet, and bag count - Column and tube calculator - Strip footing estimator FRAMING - Wall stud calculator (12", 16", 24" OC spacing) - Drywall sheet estimator - Lumber board feet calculator ROOFING - Shingle calculator with pitch multiplier - Roofing squares and bundle count ELECTRICAL - Ohm's Law: solve for any 2 of Voltage, Current, Resistance, or Watts - Wire gauge size guide - Conduit fill percentage with NEC pass/fail Privacy Policy: https://launchfast.live/buildcal/privacy.html Terms of service: https://launchfast.live/buildcal/terms.html
RedX Construction Calculator
This free utility app performs complex calculations for construction professionals. It handles feet-inch-fraction math, roof pitches, stair layouts, and unit conversions with ease. Offers step-by-step guides and both light and dark modes.
- Feet-inch-fraction math
- Roof pitch and rafter solvers
- Stair layout calculations
- Unit conversion (imperial/metric)
- Area and volume calculations
- Step-by-step guides
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The 100% FREE construction calculator. REDX CALC is the feet-inch-fraction calculator for framers, carpenters, contractors and builders: rafter, stair, roof pitch and framing math with no ads, no subscriptions and no in-app purchases. Work the way you measure: add, cut and convert full feet-inch dimensions with fractions, and switch between imperial and metric in one tap. FEET & INCHES MATH • Add, subtract, multiply and divide feet-inch measurements with fractions • Adjustable fraction precision • Instant conversion between yards, feet, inches, meters, cm and mm • Percent, square, square root and reciprocal functions • Memory keys and automatic calculation history RIGHT TRIANGLES & ROOFS • Pitch, Rise, Run and Diagonal keys: enter what you know, tap to solve the rest • Hip/Valley and Jack rafter solvers • Miter angles for trim and framing STAIRS, ARCS & CIRCLES • Stair layouts: risers, treads, stringers and the stairwell opening • Arc solver for arched openings • Circle facts, columns and cone volumes DIMENSIONS • Length, Width and Height registers for areas and volumes • Unit-aware math keeps your results in the units you build with KNOW-HOW BUILT IN • Step-by-step guides for the basics, roofs, stairs, circles, conversions and more • Light and dark mode 100% FREE. FOREVER. No ads. No in-app purchases. No subscriptions. Every feature included. Part of the RedX Apps family: RedX Decks, RedX Roof, RedX Walls and RedX Stairs. Terms of Use https://www.redxapps.com/terms-of-service
Screenshots
Verdict
The clearest difference is iOS requirement: RedX Construction Calculator at 13.0 against BuildCalc's 15.1. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | BuildCalc | RedX Construction Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (37 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 37 — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Lee Han sheng | RedX Technology Inc |
In-app purchases
BuildCalc
No in-app purchases
RedX Construction Calculator
No in-app purchases
Questions
Is BuildCalc free?
Is RedX Construction Calculator free?
Do BuildCalc or RedX Construction Calculator have ads?
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