# VISUAL SENSOR vs Construction Calc

The clearest difference is in-app purchases: VISUAL SENSOR at none against Construction Calc's 1. VISUAL SENSOR also leads on update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

VISUAL SENSOR ships an update every 2 weeks, Construction Calc every 3 months. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | VISUAL SENSOR | 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 2 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 102 MB | 3 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Visualnacert S.L](https://appshunter.io/developer/967253919) | [Konstantin Khoroshun](https://appshunter.io/developer/1476700024) |

## What reviewers say

### VISUAL SENSOR

[App page](https://appshunter.io/ios/app/visual-sensor/id1567881739)

**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 VISUAL SENSOR free?

VISUAL SENSOR 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 VISUAL SENSOR or Construction Calc have ads?

Neither VISUAL SENSOR nor Construction Calc shows ads.

### Which is updated more often, VISUAL SENSOR or Construction Calc?

VISUAL SENSOR ships an update every 2 weeks, and Construction Calc every 3 months. Most recently, VISUAL SENSOR was updated on September 20, 2026 and Construction Calc on September 12, 2026.

---

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