# ENSolarX vs Construction Calculator

The clearest difference is price: Construction Calculator at Free against ENSolarX's $19.99. ENSolarX's advantage is in-app purchases (none vs 10) and iOS requirement (15.0 vs 18.0). On update cadence, ads and device support there is nothing between them.

Construction Calculator is free to download; ENSolarX costs $19.99 up front. Construction Calculator sells 10 in-app purchases, starting at $2.99 per 7 days. ENSolarX asks for nothing beyond the download.

ENSolarX ships an update every 3 weeks, Construction Calculator every 2 weeks. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ENSolarX | Construction Calculator |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[4.8 (24 ratings)](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 70 MB | 62 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Krzysztof Rucinski](https://appshunter.io/developer/1813556766) | [Shapkin Dev](https://appshunter.io/developer/1845645309) |

## What reviewers say

### ENSolarX

[App page](https://appshunter.io/ios/app/ensolarx/id6745728717)

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

**In-app purchases:** none


### Construction Calculator

[App page](https://appshunter.io/ios/app/construction-calculator-pro/id6753908597)

This app provides a comprehensive suite of tools for construction professionals and DIY enthusiasts. It offers precise calculations for decking, roofing, stairs, concrete, and more, with support for both metric and imperial units. Designed for jobsite use, it works offline and provides clear visuals for accurate on-site measurements.

**Highlights:** Decking and flooring calculations, Roofing material and coverage estimators, Stair and stringer rise/run calculations, Concrete, asphalt, and gravel volume estimators, Slope, pitch, and angle framing helpers, Unit converter with mixed-unit support, Offline functionality

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Carpenter PRO - Weekly | $2.99 | per 7 days |
| Full Access — Weekly | $5.99 | per 7 days |
| Carpenter PRO — Annual | $19.99 | per year |
| Full Access — Annual | $39.99 | per year |
| Right Triangle & Pitch Calculator | $3.99 | one-time |
| Running Measurements Calculator | $3.99 | one-time |
| Unit Converter: Feet & Metric | $3.99 | one-time |
| Paint Area Coverage Estimator | $3.99 | one-time |
| Lifetime Access | $39.99 | one-time |
| Lifetime Access | $79.99 | one-time |


## Frequently asked questions

### Is ENSolarX free?

ENSolarX costs $19.99, with no in-app purchases.

### Is Construction Calculator free?

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

### Do ENSolarX or Construction Calculator have ads?

Neither ENSolarX nor Construction Calculator shows ads.

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

ENSolarX ships an update every 3 weeks, and Construction Calculator every 2 weeks. Most recently, ENSolarX was updated on October 28, 2026 and Construction Calculator on October 30, 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.*