# HeavyCalc Pro vs Smart@Home

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.

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.

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.

## The numbers

| Metric | HeavyCalc Pro | Smart@Home |
| --- | --- | --- |
| Price | $39.99 | **Free** |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/heavycalc-pro/id390275254/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 9 months** |
| Monetization | Paid | — |
| Size | 62 MB | 6 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [King I Electronics Co., Ltd.](https://appshunter.io/developer/888172534) |

## What reviewers say

### HeavyCalc Pro

[App page](https://appshunter.io/ios/app/heavycalc-pro/id390275254)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Smart@Home

[App page](https://appshunter.io/ios/app/smarthome/id1548618237)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*