Comparison

Carpenter Tools vs HB Construction Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Carpenter Tools

This app simplifies carpentry calculations for framing, roofing, stairs, and more. Quickly get accurate measurements and material counts without complex formulas or spreadsheets. Ideal for on-site work, shop use, or estimating.

Highlights
  • Framing calculations
  • Rafter and roof calculations
  • Stair rise and run
  • Material count estimation
  • Imperial and metric units
  • Helpful diagrams
  • Optional cost fields
Features
Read full description

Every answer comes with a drawing. Change the wall length and the studs move on the plate. Change the rise and the stair redraws with its risers, treads and stringer, checked against common code limits. What you measured is in black; what you cut and buy is in red. Type it like you read the tape: feet, inches and fractions on a keypad built for lengths. • Wall framing, rough openings, rake walls, stud layout and square checks • Stairs, common rafters, hips and valleys • Decks, fences, concrete slabs, footings and post holes • Sheathing, drywall and flooring • Baseboard, casing, miters and crown, cabinet boxes, face frames and shelf pins • Tape calculator with memory, cut lists, board feet, triangles, arcs and plan scales Feet and inches, decimal feet or metric, on iPhone and iPad. Share any drawing as a picture with its numbers. Always check your local code before you cut.

About

HB Construction Calculator

Features
Read full description

HB Construction Calculator is a powerful construction calculator built for contractors, carpenters, electricians, plumbers, HVAC technicians, concrete crews, estimators, and other construction professionals. Perform feet-inch-fraction math the way measurements are used on the jobsite, quickly convert between imperial and metric units, and access eight specialized construction calculators in one app. Works fully offline. No login. No account required. No paywall. 8 CONSTRUCTION CALCULATORS IN ONE APP ADVANCED CAL Calculate roof pitch, rise, run, diagonal, hip and valley rafters, jack rafters, stairs, circles, board feet, studs, blocks, drywall, footings, roofing squares, and more. MASTER 5 An everyday construction and carpentry calculator for stairs, arcs, irregular pitch calculations, jack rafters, weight, cost, and paperless tape measurements. ELECTRICAL CALCULATOR Perform electrical calculations including Ohm's Law, Kirchhoff equations, wire sizing, voltage drop, conduit fill, motor full-load current, motor protection, grounding, and other common electrical calculations. PIPE AND PLUMBING CALCULATOR Calculate pipe offsets, rolling offsets, fitting allowances, cut lengths, 45-degree fittings, flow, pressure, pipe sizing, and other common plumbing measurements. CONCRETE AND MASONRY CALCULATOR Calculate concrete volume, cubic yards, concrete bags, footings, walls, blocks, rebar, stairs, drop, and estimated truck loads. HVAC AND SHEET METAL CALCULATOR Calculate duct takeoffs, OGEE offsets, Fan Laws, velocity pressure, FPM, Law of Cosines, stretch-outs, and other HVAC and sheet metal measurements. EXCAVATION AND GRADING CALCULATOR Calculate cut and fill, slopes, percent grade, bank volume, loose volume, compacted volume, swell, shrink, and estimated truck loads. MATERIAL ESTIMATOR Estimate quantities and coverage for paint, tile, decking, fencing, studs, blocks, flooring, sheet goods, brick, gravel, and other construction materials. FEET, INCHES AND FRACTIONS Enter measurements the same way you use them on the jobsite. For example: 12 ft 6 3/8 in There is no need to convert measurements to decimals before calculating. Quickly work with: * Feet and inches * Fractions * Yards * Meters * Square measurements * Cubic measurements * Imperial and metric conversions SAVE YOUR CALCULATIONS Keep important calculations in History so you can return to them later. Your calculations stay organized and available when you need them. CHOOSE YOUR DEFAULT CALCULATOR Choose the calculator you use most from Tools and set it as your default. Your selection is saved so your preferred calculator is ready the next time you open the app. BUILT FOR CONSTRUCTION PROFESSIONALS HB Construction Calculator is designed for: * Contractors * Carpenters * Electricians * Plumbers * HVAC technicians * Concrete and masonry crews * Excavation and grading crews * Estimators * Construction professionals Whether you are measuring lumber, laying out stairs, calculating electrical loads, planning pipe runs, estimating concrete, sizing ductwork, grading a site, or preparing a material takeoff, HB Construction Calculator gives you practical tools directly on your phone. SIMPLE, PRIVATE AND READY FOR THE JOBSITE * Fully offline * No account required * No login * No paywall * No unnecessary setup Open the app and start calculating. HB Construction Calculator — from Handy Bro. Learn More: https://www.handybro.app Terms of Use: https://www.handybro.app/construction_calculator/terms Privacy Policy: https://www.handybro.app/construction_calculator/privacy

Screenshots

Carpenter Tools4 screens
HB Construction Calculator3 screens

Verdict

The call

The clearest difference is in-app purchases: HB Construction Calculator at none against Carpenter Tools's 1. On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Carpenter Tools sells 1 one-off in-app purchase. HB Construction Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Carpenter Tools ships an update every 2 weeks, HB Construction Calculator every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 8 level
Carpenter Tools versus HB Construction Calculator: the parameters behind the verdict, then further details
ParameterCarpenter ToolsHB Construction Calculator
PriceFreeFree
Rating4.9 (10 ratings) — better—
Number of ratings10 — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 — better18.6
Further details — not scored
Size3 MB13 MB
Age rating4+4+
DeveloperSergii NesterenkoHandy Bro Technologies LLC

In-app purchases

1 purchases

Carpenter Tools

One-time1
  • Pro Upgrade$12.99
None

HB Construction Calculator

No in-app purchases

Questions

Is Carpenter Tools free?
Carpenter Tools is free to download, with in-app purchases available.
Is HB Construction Calculator free?
HB Construction Calculator is free to download, with no in-app purchases.
Do Carpenter Tools or HB Construction Calculator have ads?
Neither Carpenter Tools nor HB Construction Calculator shows ads.
Which is updated more often, Carpenter Tools or HB Construction Calculator?
Carpenter Tools ships an update every 2 weeks, and HB Construction Calculator every 3 weeks. Most recently, Carpenter Tools was updated on November 3, 2026 and HB Construction Calculator on October 25, 2026.

Other comparisons