# ITO vs Construction Calculator

The clearest difference is in-app purchases: ITO at none against Construction Calculator's 10. ITO also leads on iOS requirement (15.1 vs 18.0). On price there is nothing between them.

Both are free to download. Construction Calculator sells 10 in-app purchases, starting at $2.99 per 7 days. ITO asks for nothing beyond the download.

## The numbers

| Metric | ITO | Construction Calculator |
| --- | --- | --- |
| Price | Free | 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 |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 60 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Inversiones ITO-e SpA](https://appshunter.io/developer/1679880262) | [Shapkin Dev](https://appshunter.io/developer/1845645309) |

## What reviewers say

### ITO

[App page](https://appshunter.io/ios/app/ito-e-20/id6446966099)

**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, offering precise calculations for decking, roofing, stairs, concrete, and more. It simplifies complex measurements and material takeoffs, ensuring accuracy and efficiency on the job site, even offline.

**Highlights:** Decking and flooring calculations, Roofing material and coverage estimators, Stair and stringer rise/run calculations, Concrete and volume estimators, Unit conversion for mixed units, 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 | $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 ITO free?

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

### Is Construction Calculator free?

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

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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.*