# VSG102 Setting vs Construction Calc

The clearest difference is in-app purchases: VSG102 Setting at none against Construction Calc's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Construction Calc sells 1 one-off in-app purchase. VSG102 Setting asks for nothing beyond the download.

VSG102 Setting ships an update every 6 months, Construction Calc every 3 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | VSG102 Setting | 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 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 4 MB | 3 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [VITALSIGNS TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1394370436) | [Konstantin Khoroshun](https://appshunter.io/developer/1476700024) |

## What reviewers say

### VSG102 Setting

[App page](https://appshunter.io/ios/app/vsg102-setting/id1661519173)

**Features:** macOS Compatibility

**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 | $9.99 | one-time |


## Frequently asked questions

### Is VSG102 Setting free?

VSG102 Setting 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 VSG102 Setting or Construction Calc have ads?

Neither VSG102 Setting nor Construction Calc shows ads.

### Which is updated more often, VSG102 Setting or Construction Calc?

VSG102 Setting ships an update every 6 months, and Construction Calc every 3 months. Most recently, VSG102 Setting was updated on October 9, 2026 and Construction Calc on October 24, 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.*