# VmaxShop vs Construction Calc

The clearest difference is in-app purchases: VmaxShop at none against Construction Calc's 1. VmaxShop also leads on update cadence (every 6 weeks vs every 3 months). Construction Calc's advantage is iOS requirement (15.6 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Construction Calc sells 1 one-off in-app purchase. VmaxShop asks for nothing beyond the download.

VmaxShop ships an update every 6 weeks, Construction Calc every 3 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | VmaxShop | Construction Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/construction-calc-estimator/id6755724882/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 71 MB | 3 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Netquas Softech](https://appshunter.io/developer/1566509801) | [Konstantin Khoroshun](https://appshunter.io/developer/1476700024) |

## What reviewers say

### VmaxShop

[App page](https://appshunter.io/ios/app/vmaxshop/id6462434542)

**In-app purchases:** none


### Construction Calc

[App page](https://appshunter.io/ios/app/construction-calc-estimator/id6755724882)

This offline calculator helps construction professionals and DIYers quickly estimate materials for various projects. It supports imperial and metric units, and all calculations are stored locally for privacy.  No internet connection is required.

**Highlights:** Offline material estimation, Calculates 8 key materials, Feet-Inch-Fraction input, Imperial & Metric units, Local data storage, No subscriptions or ads

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $0.99 | one-time |


## Frequently asked questions

### Is VmaxShop free?

VmaxShop is free to download, with no in-app purchases.

### Is Construction Calc free?

Construction Calc is free to download, with in-app purchases available.

### Do VmaxShop or Construction Calc have ads?

Neither VmaxShop nor Construction Calc shows ads.

### Which is updated more often, VmaxShop or Construction Calc?

VmaxShop ships an update every 6 weeks, and Construction Calc every 3 months. Most recently, VmaxShop was updated on October 30, 2026 and Construction Calc on October 28, 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.*