# Schönox vs Construction Calculator

The clearest difference is review sentiment: Schönox at 100% against Construction Calculator's 54%. Schönox also leads on in-app purchases (none vs 9) and rating (5.0 vs 4.7). Construction Calculator's advantage is update cadence (every 5 days vs every 3 months) and ratings volume (672 vs 13). On price, ads and device support there is nothing between them.

Both are free to download. Construction Calculator sells 8 in-app purchases, starting at $4.99 per month. Schönox asks for nothing beyond the download.

Schönox holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Construction Calculator has 672 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 100% of Schönox's written reviews are positive against 54% of Construction Calculator's.

Schönox ships an update every 3 months, Construction Calculator every 5 days. The most recent releases landed on October 19, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Schönox | Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/schonox/id953971061/reviews)** | [4.7 (672 ratings)](https://appshunter.io/ios/app/construction-calculator/id1092417398/reviews) |
| Number of ratings | 13 | **672** |
| Positive reviews | **100.0% of reviews** | 53.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 50 MB |
| Requires iOS | **13.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [HPS North America, Inc.](https://appshunter.io/developer/1316811833) | [xNeat.com](https://appshunter.io/developer/327498295) |

## What reviewers say

### Schönox

[App page](https://appshunter.io/ios/app/schonox/id953971061)

Access comprehensive product information, usage calculators, and installer tips for subfloor solutions. Find local sales representatives and distributors easily. Get detailed support and technical data for various product categories.

**Highlights:** Product information catalog, Product usage calculator, Installer tips and videos, Find local sales representatives, Technical datasheets access, Company overview

**Features:** macOS Compatibility

**In-app purchases:** none


### Construction Calculator

[App page](https://appshunter.io/ios/app/construction-calculator/id1092417398)

This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.

**Highlights:** Decimal to fraction converter, Fraction to decimal conversion, Simultaneous equation and result display, Advanced editing capabilities, Today Screen integration, Support for multiple dimensional formats

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Construction Calculator | $4.99 | per month |
| Construction Calculator | $39.99 | per year |
| Themes | $1.99 | one-time |
| Calculator Plus | $3.99 | one-time |
| Rafter | $4.99 | one-time |
| Stair Calculator | $4.99 | one-time |
| Fraction Calculator | $9.99 | one-time |
| Construction Calculator | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and accurate calculations
- 💡 Helpful for construction work
- 🎨 Customizable colors

**What reviewers complain about**

- 💰 Subscription model is too expensive
- 🔒 Paywall locks out useful features
- 🔄 Forced updates break existing functionality
- 🤯 Confusing and difficult to navigate

**Reported bugs**

- Calculation errors and incorrect results
- Freezing and crashing on certain devices
- Compatibility issues with newer OS versions

**Requested features**

- Bring back fraction display in results
- Allow offline use without subscription
- Add more construction-specific tools
- Improve user interface and usability


## Frequently asked questions

### Is Schönox free?

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

### Is Construction Calculator free?

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

### Which has better reviews, Schönox or Construction Calculator?

Schönox is rated higher. Schönox averages 5.0 out of 5 from 13 ratings, while Construction Calculator averages 4.7 from 672 ratings.

### Do Schönox or Construction Calculator have ads?

Neither Schönox nor Construction Calculator shows ads.

### Which is updated more often, Schönox or Construction Calculator?

Schönox ships an update every 3 months, and Construction Calculator every 5 days. Most recently, Schönox was updated on October 19, 2026 and Construction Calculator on October 26, 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.*