# BlankScan vs STRUCT Construction Calculator

The clearest difference is iOS requirement: STRUCT Construction Calculator at 13.0 against BlankScan's 18.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | BlankScan | STRUCT Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 2 MB | 16 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MICHAEL NICKEL](https://appshunter.io/developer/1778895102) | [MOBILEXAPPS MB](https://appshunter.io/developer/1685170475) |

## What reviewers say

### BlankScan

[App page](https://appshunter.io/ios/app/blankscan/id6743444645)

**Features:** macOS Compatibility

**In-app purchases:** none


### STRUCT Construction Calculator

[App page](https://appshunter.io/ios/app/struct-construction-calculator/id6758335610)

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

**In-app purchases:** none


## Frequently asked questions

### Is BlankScan free?

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

### Is STRUCT Construction Calculator free?

STRUCT Construction Calculator is free to download, with no in-app purchases.

### Do BlankScan or STRUCT Construction Calculator have ads?

Neither BlankScan nor STRUCT Construction Calculator shows ads.

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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.*