# STRUCT Construction Calculator vs Calculator Toolkit

The clearest difference is iOS requirement: STRUCT Construction Calculator at 13.0 against Calculator Toolkit's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

STRUCT Construction Calculator ships an update every 4 months, Calculator Toolkit every 3 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | STRUCT Construction Calculator | Calculator Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 16 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MOBILEXAPPS MB](https://appshunter.io/developer/1685170475) | [Urmin Hirpara](https://appshunter.io/developer/1890506463) |

## 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


### Calculator Toolkit

[App page](https://appshunter.io/ios/app/calculator-toolkit/id6762042272)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STRUCT Construction Calculator free?

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

### Is Calculator Toolkit free?

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

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

Neither STRUCT Construction Calculator nor Calculator Toolkit shows ads.

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

STRUCT Construction Calculator ships an update every 4 months, and Calculator Toolkit every 3 months. Most recently, STRUCT Construction Calculator was updated on October 11, 2026 and Calculator Toolkit on September 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.*