Comparison

STRUCT Construction Calculator vs CALC by Webb Labs

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

Head to head
About

STRUCT Construction Calculator

Features
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STRUCT β€” Construction Calculator Make your construction projects faster, easier, and more accurate. ProStruct is an all-in-one construction calculator designed for contractors, builders, engineers, architects, and DIY enthusiasts. Whether you’re planning a small home renovation or managing a large construction site, ProStruct helps you calculate materials, dimensions, and costs with confidence. All-in-One Construction Tools Simplify your daily work with a complete set of smart calculators: β€’ Concrete volume calculations β€’ Cement, sand, and material ratios β€’ Brick and block quantity estimation β€’ Wall and surface area calculations β€’ Flooring and tiling measurements β€’ Roofing calculations β€’ Paint coverage estimation β€’ And more essential tools for construction tasks Get instant results with clear formulas, helping you avoid costly mistakes and reduce material waste. Fast, Accurate & Reliable β€’ Precise calculations in seconds β€’ Built for real-world construction needs β€’ Helps optimize materials and save costs Simple & Efficient Design Designed for speed and ease of use: β€’ Clean, intuitive interface β€’ Quick input and instant results β€’ No clutter, no unnecessary features Just powerful tools when you need them most. Why Choose STRUCT? β€’ All essential construction calculations in one app β€’ Easy to use for professionals and beginners β€’ Saves time, money, and effort on every project Download ProStruct today and take control of your construction calculations with confidence.

About

CALC by Webb Labs

Features
Read full description

CALC β€” Smart Calculator + AI Math Tutor 200+ calculators in one app β€” 51 completely free. Graph equations, solve algebra, run statistics, plan finances, and get step-by-step AI help β€” all in one place. GRAPHING CALCULATOR Plot multiple equations in Cartesian, parametric, or polar mode. Pinch to zoom, tap to trace. Auto-finds roots, intersections, and min/max. Export as PNG. ADVANCED STATISTICS z-tests, t-tests, chi-squared, and hypothesis testing. Normal, binomial, Poisson, t, F distributions. Confidence intervals. A full stats toolkit built in. MATH AI TUTOR Photograph or type any problem β€” get clear step-by-step solutions. Export as PDF, PNG, or LaTeX. Free to try, unlimited with Premium. PHOTO-MATH OCR Point your camera at any equation and solve it instantly. Fully on-device. Handwriting recognition included. STUDENT MODE Graphing, Statistics, Equation Solver, and Math AI in one study hub. Exam prep across 5 subjects, practice problems, and Homework Mode with full solutions. 51 FREE CALCULATORS Standard, Scientific, Percentage, Tip, Discount, Easy Calc, BMI, Loan, Statistics, Geometry (14 shapes), Unit Converter (100+ units), Currency Converter (160+ currencies), Unit Price, Fraction, Exponent, Simple Interest, Sales Tax, Salary, Date & Time, Time, Hours, Countdown, Time Zone, Square Footage, Fuel & Mileage, Random Number, Password, Split Bill, Love Calc, Random Name, Quadratic Solver, Triangle Solver, Pythagorean Theorem, LCM & GCF, Roman Numerals, Ohm's Law, Ideal Weight, Water Intake, Running Pace, Paint Calc, Grade Calc, Age, Pet Age, Coffee Ratio, Speed/Distance/Time, Math AI Tutor CALC PREMIUM β€” 154 modes across 25 categories Financial (50): Mortgage, Auto Loan, APR, APY, Investment, Savings, Tax, Credit Card, CC Payoff, Student Loan, Refinance, Compound Interest, Amortization, Commission, Margin, Markup, Break-Even, ROI, NPV/IRR, Net Worth, Budget, Car Lease, Business Loan, Debt Payoff, Depreciation, Bonds, Retirement/401k, FIRE, Dividend, Capital Gains Tax, Dollar Cost Averaging, Crypto P&L, VAT/GST, Rental Income, Property Tax, Freelancer Rate, Employee Cost, Invoice, Expense Ratio, Emergency Fund and more Health (16): TDEE, Body Fat, Fitness, Pregnancy, BAC, Macros, Heart Rate Zones, 1RM, Sleep Cycle, WHR, Ovulation, Due Date, Child Growth, VO2 Max Math (25): Equation Solver, Matrix, Graphing, Polynomial, Logarithm, Vector, Integral, Derivative, Prime Factors, Trig, Complex Numbers, Combinations & more Science (11): Resistor Code, Capacitor, Decibel, Projectile Motion, Density, Molar Mass, pH, Dilution, Radioactive Decay, and more Construction (16): Flooring, Tile, Roofing, Lumber, Brick, Pool, Insulation, Staircase, Electrical Load, and more Tech (16): Subnet, Bandwidth, Hash, Color Converter, ASCII, Base64, URL Encoder, Aspect Ratio, Screen Resolution, and more Education (14): Exam Prep, Final Grade Needed, College Savings, Coordinate Geometry, Volume & Surface Area, and more Every day (15): Cooking, Wedding Budget, Moving Cost, Gift Splitter, Clothing Size, Ring Size, and more Travel (6): Road Trip Cost, Jet Lag, Flight Carbon, Packing Weight, Hotel Cost, Currency Budget Cloud sync, annotated history, CSV/PDF export, 6 themes, widgets, currency alerts, no ads. PRIVACY FIRST Math AI uses encrypted APIs β€” never stored or used for training. OCR runs on-device. Financial data is local-first. ACCESSIBLE TO ALL VoiceOver, WCAG 2.1 AA contrast, large touch targets, 59 languages. Download CALC today β€” 51 calculators free, Math AI free to start, Premium unlocks everything.

Screenshots

STRUCT Construction Calculator3 screens
CALC by Webb Labs4 screens

Verdict

The call

The clearest difference is ads: STRUCT Construction Calculator at none against CALC by Webb Labs's shown. STRUCT Construction Calculator also leads on iOS requirement (13.0 vs 15.5). CALC by Webb Labs's advantage is update cadence (every 2 days vs every 4 months). On price, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

STRUCT Construction Calculator ships an update every 4 months, CALC by Webb Labs every 2 days. Both last shipped on October 25, 2026.

Scorecard3 real differences Β· 3 level
STRUCT Construction Calculator versus CALC by Webb Labs: the parameters behind the verdict, then further details
ParameterSTRUCT Construction CalculatorCALC by Webb Labs
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 days β€” better
AdsNo β€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS13.0 β€” better15.5
Further details β€” not scored
Size16 MB179 MB
Age rating4+4+
DeveloperMOBILEXAPPS MBWebb Labs Ltd.

In-app purchases

None

STRUCT Construction Calculator

No in-app purchases

None

CALC by Webb Labs

No in-app purchases

Questions

Is STRUCT Construction Calculator free?
STRUCT Construction Calculator is free to download, with no in-app purchases.
Is CALC by Webb Labs free?
CALC by Webb Labs is free to download, with no in-app purchases.
Do STRUCT Construction Calculator or CALC by Webb Labs have ads?
CALC by Webb Labs shows ads; STRUCT Construction Calculator does not.
Which is updated more often, STRUCT Construction Calculator or CALC by Webb Labs?
STRUCT Construction Calculator ships an update every 4 months, and CALC by Webb Labs every 2 days. Most recently, STRUCT Construction Calculator was updated on October 25, 2026 and CALC by Webb Labs on October 25, 2026.

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