# STRUCT Construction Calculator vs Construction Calculator@

The clearest difference is in-app purchases: STRUCT Construction Calculator at none against Construction Calculator@'s 3. STRUCT Construction Calculator also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Construction Calculator@ sells 3 in-app purchases, starting at $7.99 per month. STRUCT Construction Calculator asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | STRUCT Construction Calculator | Construction Calculator@ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 16 MB | 44 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MOBILEXAPPS MB](https://appshunter.io/developer/1685170475) | [Lxmob LLC](https://appshunter.io/developer/1895287124) |

## What reviewers say

### STRUCT Construction Calculator

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

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

**In-app purchases:** none


### Construction Calculator@

[App page](https://appshunter.io/ios/app/construction-calculator/id6764114412)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Construction Cal PRO | $7.99 | per month |
| Construction Cal PRO | $39.99 | per year |
| Construction Cal PRO | $49.99 | one-time |


## Frequently asked questions

### Is STRUCT Construction Calculator free?

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

### Is Construction Calculator@ free?

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

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

Neither STRUCT Construction Calculator nor Construction Calculator@ shows ads.

### Which is updated more often, STRUCT Construction Calculator or Construction Calculator@?

STRUCT Construction Calculator ships an update every 4 months, and Construction Calculator@ every 4 months. Most recently, STRUCT Construction Calculator was updated on September 9, 2026 and Construction Calculator@ on September 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.*