# Construction Calc Pro Lite vs HørNå

The clearest difference is in-app purchases: Construction Calc Pro Lite at none against HørNå's 2. HørNå's advantage is ads (none vs shown) and update cadence (every 4 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HørNå sells 2 in-app purchases, starting at $1.99 per month. Construction Calc Pro Lite asks for nothing beyond the download.

Construction Calc Pro Lite ships an update every 3 months, HørNå every 4 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Construction Calc Pro Lite | HørNå |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/construction-calc-pro-lite/id942135958/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 9.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 89 MB | 51 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [Sveinung Tjelta](https://appshunter.io/developer/1828679905) |

## What reviewers say

### Construction Calc Pro Lite

[App page](https://appshunter.io/ios/app/construction-calc-pro-lite/id942135958)

This calculator app is designed for construction professionals, offering specialized functions for measurements in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stair design, transforming your device into a construction computer.

**Highlights:** Feet, inches, and fractional inch measurements, Material estimation modules, Area and volume calculations, Trigonometry and triangle solver, Stair and crown moulding calculators, Fraction reduction and conversion, Estimate transfer and email

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### HørNå

[App page](https://appshunter.io/ios/app/hrna/id6808298351)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HørNå Plus Monthly | $1.99 | per month |
| HørNå Plus – Yearly | $22.99 | per year |


## Frequently asked questions

### Is Construction Calc Pro Lite free?

Construction Calc Pro Lite is free to download, with no in-app purchases.

### Is HørNå free?

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

### Do Construction Calc Pro Lite or HørNå have ads?

Construction Calc Pro Lite shows ads; HørNå does not.

### Which is updated more often, Construction Calc Pro Lite or HørNå?

Construction Calc Pro Lite ships an update every 3 months, and HørNå every 4 days. Most recently, Construction Calc Pro Lite was updated on October 26, 2026 and HørNå 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.*