Comparison

HeavyCalc Pro vs Smart@Home

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

Head to head
About

HeavyCalc Pro

This professional construction calculator helps engineers and excavators perform complex calculations for yards, feet-inch-fractions, and metric units. It streamlines estimating time, improves design accuracy, and reduces material and labor expenses with fast, precise solutions for areas, volumes, and loads.

Highlights
  • Dimensional math and conversions (yards, feet-inch-fractions, metric)
  • Calculate areas, volumes, and weight per volume
  • Fast square-ups and right angles
  • Cut/fill, shrink, and swell calculations
  • Cost per unit and pricing solver
  • Built-in help with key definitions and examples
Features
Read full description

Yard, Feet-Inch-Fraction, Metric Heavy Construction Math Calculator from Calculated Industries® The official Heavy Calc Pro from Calculated Industries is now available for iPhone and iPad users. And while perhaps obvious, if you change from an iOS device to a non-iOS device, you WILL need to buy a new license as they are incompatible. It helps engineers, excavators and heavy construction professionals cut estimating time, improve design accuracy, and reduce material and labor expenses. Increase efficiency in the field or in the office with fast, accurate solutions for square-ups, cut/fill, swell/shrink, areas, volumes and loads. Built with the same features and functions and the same core engine that powers the industry-standard handheld HeavyCalc Pro from Calculated Industries. Need to quickly and accurately solve a dirt or excavation problem for a job? Do it on your iPhone or iPad anytime, anywhere instantly. Ideal for Engineers, Designers, Excavators, Highway and Heavy Construction • Work directly in and convert between all building dimensional formats: yards, feet-inch-fractions, inch fraction, decimal feet (10ths, 100ths), decimal inches and metric (m, cm, mm) • Easily calculate areas, volumes and weight per volume, truck loads • Fast square-ups, right angles • Simplify and speed up grid-cell and cut/fill estimates FEATURES: • Created by Calculated Industries, the originator of the award-winning Construction Master® calculators • Built-in help – just press and hold the desired key for full, clear definitions, explanations and examples of keystrokes Dimensional Math and Conversions • Yards • Feet-Inch-Fractions • Metric (m, cm, mm) • Decimal Feet (10ths, 100ths), Decimal Inches • D.M.S. to Decimal Degree Conversions. Dedicated Functions and Keys Help You Solve • Instant Square-up and Drop • Number of Loads: calculate Load volume, number of Loads, Load size • Cut/Fill estimates – proposed and existing • Shrink and Swell calculations using Compacted, Bank and Loose volumes • Percent Grade and Slope Built-in Area and Volume Solutions • Length, Width, Height (Depth) keys • Square and Cubic formats • Instant Weight per Volume • Pounds, Tons, Kilograms or Metric Tons Special Functions • Entry Editing Backspace Key – with a swipe of a finger • Cost per Unit: Solve unit cost and pricing • Paperless Tape • 4 Memories •User-Definable Preferences

About

Smart@Home

Features
Read full description

Great features to make your everyday living cozy with a lot of fun and cost saving: - Fully compatible with Home App and Siri. - Add, management, remote monitoring and control paired Frontier Aura BLE Light Switches. - Supports custom HOMEs and ROOMs creating. - Supports implementation of scenes. - Supports renaming of all services. - Supports device sharing.

Screenshots

HeavyCalc Pro4 screens
Smart@Home4 screens

Verdict

The call

The clearest difference is price: Smart@Home at Free against HeavyCalc Pro's $39.99. Smart@Home also leads on iOS requirement (13.0 vs 15.0). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Smart@Home is free to download; HeavyCalc Pro costs $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HeavyCalc Pro ships an update every 18 months, Smart@Home every 9 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
HeavyCalc Pro versus Smart@Home: the parameters behind the verdict, then further details
ParameterHeavyCalc ProSmart@Home
Price$39.99Free — better
Rating3.0 (6 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings6 — better—
Update frequencyEvery 18 monthsEvery 9 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size62 MB6 MB
Age rating12+4+
DeveloperCalculated IndustriesKing I Electronics Co., Ltd.

In-app purchases

None

HeavyCalc Pro

No in-app purchases

None

Smart@Home

No in-app purchases

Questions

Is HeavyCalc Pro free?
HeavyCalc Pro costs $39.99, with no in-app purchases.
Is Smart@Home free?
Smart@Home is free to download, with no in-app purchases.
Do HeavyCalc Pro or Smart@Home have ads?
Neither HeavyCalc Pro nor Smart@Home shows ads.
Which is updated more often, HeavyCalc Pro or Smart@Home?
HeavyCalc Pro ships an update every 18 months, and Smart@Home every 9 months. Most recently, HeavyCalc Pro was updated on October 21, 2026 and Smart@Home on October 13, 2026.

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