Comparison

HeavyCalc Pro vs Baluster Studio

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

Baluster Studio

Read full description

Baluster Studio is a field-ready layout aid for railing fabricators, deck builders, and finish carpenters. Enter the inside run, post width, baluster width, and code rule. Baluster Studio calculates the baluster count, clear spacing, on-center layout, and pass/fail status before you cut. Built for real railing work: - Flat railing and stair-rake layout support - IRC 2021 R312.1.3 and R311.7.8.1 code citations - 25 standard baluster styles plus custom dimensions - Quick Calc for one-off field checks - Local project job book for clients, addresses, and sections - Tape reads and material counts for site work - PDF export with drawings, notes, bill of materials, and disclaimers - Contractor branding for PDF packets - Worksite Mode for bright, always-awake field use Baluster Studio works fully offline. There is no account, no cloud sync, and no analytics. Projects stay on your iPhone or iPad unless you export them. Baluster Studio is a layout aid, not stamped construction drawings. Always verify measurements on site and against the code edition adopted in your jurisdiction.

Screenshots

HeavyCalc Pro4 screens
Baluster Studio4 screens

Verdict

The call

The clearest difference is price: Baluster Studio at Free against HeavyCalc Pro's $39.99. Baluster Studio also leads on update cadence (daily vs every 18 months). HeavyCalc Pro's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). On 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

Baluster Studio is free to download; HeavyCalc Pro costs $39.99 up front. Baluster Studio sells 1 one-off in-app purchase. HeavyCalc Pro asks for nothing beyond the download.

UpkeepUpdate frequency

HeavyCalc Pro ships an update every 18 months, Baluster Studio daily. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
HeavyCalc Pro versus Baluster Studio: the parameters behind the verdict, then further details
ParameterHeavyCalc ProBaluster Studio
Price$39.99Free — better
Rating3.0 (6 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings6 — better—
Update frequencyEvery 18 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size62 MB27 MB
Age rating12+4+
DeveloperCalculated Industries威臻 闫

In-app purchases

None

HeavyCalc Pro

No in-app purchases

1 purchases

Baluster Studio

One-time1
  • Baluster Studio Lifetime$5.99

Questions

Is HeavyCalc Pro free?
HeavyCalc Pro costs $39.99, with no in-app purchases.
Is Baluster Studio free?
Baluster Studio is free to download, with in-app purchases available.
Do HeavyCalc Pro or Baluster Studio have ads?
Neither HeavyCalc Pro nor Baluster Studio shows ads.
Which is updated more often, HeavyCalc Pro or Baluster Studio?
HeavyCalc Pro ships an update every 18 months, and Baluster Studio daily. Most recently, HeavyCalc Pro was updated on October 20, 2026 and Baluster Studio on October 7, 2026.

Other comparisons