Comparison

Construction Calc Pro Lite vs Hammer Construction Calculator

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

Head to head
About

Construction Calc Pro Lite

This calculator app is designed for construction professionals, offering specialized functions for measurements in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stair design, transforming your device into a construction computer.

Highlights
  • Feet, inches, and fractional inch measurements
  • Material estimation modules
  • Area and volume calculations
  • Trigonometry and triangle solver
  • Stair and crown moulding calculators
  • Fraction reduction and conversion
  • Estimate transfer and email
Features
Read full description

Construction Calc Pro turns your device into an advanced jobsite computer. Built specifically for contractors, builders, carpenters, and project supervisors, it combines full fractional-inch dimensional math with integrated material takeoffs and project estimation sheets. Eliminate expensive standalone handhelds—run your framing cuts, stair layouts, material orders, and job estimates right from your pocket. CORE DIMENSIONAL MATH & CONVERSIONS - Calculate in feet, inches, and fractional inches down to 1/64 inch - Full math support: Add, subtract, multiply, divide, powers, and square roots with mixed units - Instant conversions: Fractions to decimals, square and cubic footage, metric to imperial, angles, and temperatures - Automatic fraction reduction to lowest common denominators - Split-screen view displays active calculations, measurements, and memory registers simultaneously - 50 shared memory registers accessible across all specialized modules PROJECT ESTIMATION & MATERIAL TAKEOFFS - Instant takeoffs for concrete pours, block walls, drywall sheets, paint, tile, and lumber - Calculate surface areas and volumes for standard, angled, and complex compound shapes - Export to a running job estimate sheet to tally project totals - Email itemized takeoffs directly to clients, suppliers, or your crew right from the site ROOF, STAIRS & STRUCTURAL LAYOUT - Stairs & Stringers: Solve total rise, run, unit rise, unit run, riser and tread counts, stringer length, and minimum stairwell openings with scale-drawn diagrams - Rafters & Framing: Integrated right-angle trigonometry solves slope, pitch, common rafters, hips, and valleys with visual graphic feedback - Crown Moulding: Calculate precise miter and bevel saw settings for any wall angle and any spring angle - Arcs & Circles: Solve radius, circumference, sector area, arc length, and segments fast Designed for professional trades who need reliable, jobsite-tested calculations without ads, subscriptions, or bulky handheld devices. Built-in help guides and instructions included for every module.

About

Hammer Construction Calculator

This app provides advanced construction calculations, including feet-inch-fraction math and specialized tools for various trades. It also offers material takeoff and PDF quote generation, with features for jobsite planning and notes.

Highlights
  • Feet-inch-fraction math with metric conversion
  • 20 specialized trade calculators with diagrams
  • Material takeoff and PDF quote generation
  • Jobsite plans and notes with blueprint support
  • Offline functionality
  • Customizable rounding and unit support
Read full description

The construction calculator that finishes the job: feet-inch-fraction math, 20 trade calculators, and a material takeoff that turns into a professional PDF quote — all in one app. WHY PROS SWITCH TO HAMMERCALC FEET-INCH-FRACTION MATH, DONE RIGHT - Mix feet, inches, millimeters, and meters in one calculation - Tape-measure fraction strip: tap or slide to enter 1/16s faster than typing - Results in feet-inches AND metric, side by side - Custom rounding: 1/16", 1/32", 1/64", or decimal 20 TRADE CALCULATORS — EACH WITH A LIVE DIAGRAM - Framing: rafters (hip/valley/jack cut lists, birdsmouth), roof squares & flashing, wall framing with stud counts, rake walls - Stairs: rise, run, stringers — with IRC code checks built in (max riser, tread, headroom, 2R+T comfort) - Outdoor: decks, fences (incl. chain-link), concrete bags/yards/rebar, baluster spacing (4" sphere rule) - Finishes: drywall, paint, tile, flooring, siding - Layout & lumber: square footage with cutouts, board feet & cost, cut list optimizer (fewest boards, least waste), compound miter/crown, triangle & pitch, circle/arc layout - Every field label explains itself — long-press for a diagram FROM CALCULATION TO QUOTE — NO OTHER CALCULATOR DOES THIS - One tap sends any tool's material list to a project takeoff - Buy-list smarts: rounds up to lengths the yard actually sells, never orders short - Check off materials on site as you load the truck - Price book remembers what you paid last time - Add labor, markup, and tax — export a branded PDF quote with your logo - Share as PDF, CSV, or plain text PLANS & NOTES ON THE JOBSITE - Load blueprint PDFs and photos — auto-saves your page, zoom, and position - Job notes with one-tap capture of any calculation - Quick links to your building codes and span tables BUILT FOR THE FIELD - Works fully offline. No ads. No popups. No data collection. - Dark mode for early starts, haptic keys, 12 accent colors - English & Español — switch live in Settings - iPhone, iPad, and Mac PERFECT FOR Carpenters • Framers • Contractors • Remodelers • Deck builders • Estimators • Engineers • Machinists • Architects • Serious DIYers TRY IT FREE FOR 7 DAYS Full access to everything. No commitment — cancel anytime. A subscription is required after the trial. Auto-renews unless canceled 24 hours before the period ends. Manage or cancel in Settings > [Your Apple ID] > Subscriptions. Support: hammercalc@gmail.com Terms: https://www.hammerstorm.co/terms Privacy: https://www.hammerstorm.co/privacy

Screenshots

Construction Calc Pro Lite4 screens
Hammer Construction Calculator3 screens

Verdict

The call

The clearest difference is rating: Construction Calc Pro Lite at 4.8 against Hammer Construction Calculator's 3.0. Construction Calc Pro Lite also leads on in-app purchases (none vs 2) and review sentiment (10% vs 0%). Hammer Construction Calculator's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 3 months). On price, ratings volume, device support and iOS requirement 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. Hammer Construction Calculator sells 2 in-app purchases, starting at $3.99 per month. Construction Calc Pro Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Construction Calc Pro Lite holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 10% of Construction Calc Pro Lite's written reviews are positive against 0% of Hammer Construction Calculator's.

UpkeepUpdate frequency

Construction Calc Pro Lite ships an update every 3 months, Hammer Construction Calculator every 6 weeks. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
Construction Calc Pro Lite versus Hammer Construction Calculator: the parameters behind the verdict, then further details
ParameterConstruction Calc Pro LiteHammer Construction Calculator
PriceFreeFree
Rating4.8 (5 ratings) — better3.0 (3 ratings)
Positive reviews9.5% of reviews — better0.0% of reviews
Number of ratings5 — better3
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.016.0 — better
Further details — not scored
Size89 MB39 MB
Age rating4+4+
DeveloperSnappy Appz Inc.garrett hiebert

Customer experience

Construction Calc Pro Lite

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive9.5%
Neutral0.0%
Negative90.5%

Hammer Construction Calculator

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

None

Construction Calc Pro Lite

No in-app purchases

2 purchases

Hammer Construction Calculator

Subscriptions2
  • HammerCalc Monthly7 Days trial$3.991 Month
  • HammerCalc Yearly7 Days trial$24.991 Year

Questions

Is Construction Calc Pro Lite free?
Construction Calc Pro Lite is free to download, with no in-app purchases.
Is Hammer Construction Calculator free?
Hammer Construction Calculator is free to download, with in-app purchases available.
Which has better reviews, Construction Calc Pro Lite or Hammer Construction Calculator?
Construction Calc Pro Lite is rated higher. Construction Calc Pro Lite averages 4.8 out of 5 from 5 ratings, while Hammer Construction Calculator averages 3.0 from 3 ratings.
Do Construction Calc Pro Lite or Hammer Construction Calculator have ads?
Construction Calc Pro Lite shows ads; Hammer Construction Calculator does not.
Which is updated more often, Construction Calc Pro Lite or Hammer Construction Calculator?
Construction Calc Pro Lite ships an update every 3 months, and Hammer Construction Calculator every 6 weeks. Most recently, Construction Calc Pro Lite was updated on October 26, 2026 and Hammer Construction Calculator on October 7, 2026.

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