# SCALE Structural Calculations vs Easy Unit

The clearest difference is in-app purchases: Easy Unit at none against SCALE Structural Calculations's 2. Easy Unit also leads on device support (3 vs 1). SCALE Structural Calculations's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price and update cadence there is nothing between them.

Both are free to download. SCALE Structural Calculations sells 2 in-app purchases, starting at $50.99 per month. Easy Unit asks for nothing beyond the download.

SCALE Structural Calculations ships an update monthly, Easy Unit every 3 weeks. The most recent releases landed on October 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SCALE Structural Calculations | Easy Unit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (19 ratings)](https://appshunter.io/ios/app/easy-unitconvert-units/id1643640909/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 82 MB | 27 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fitzroy Systems Limited](https://appshunter.io/developer/1225174135) | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) |

## What reviewers say

### SCALE Structural Calculations

[App page](https://appshunter.io/ios/app/scale-structural-calculations/id1225174136)

This app provides structural engineers with tools to perform calculations and generate component details for various structural elements. It offers a comprehensive library of proformas and expert systems for reinforced concrete, steelwork, timber, and masonry detailing, supporting both Eurocodes and British Standards.

**Highlights:** Structural calculations for beams, columns, slabs, Component detailing for steel, concrete, masonry, timber, Library of over 600 proforma calculations, Expert systems for detailing (LUCID, SPADE), 2D/3D elastic analysis (NL-STRESS), PDF and DOCX output for submission, Support for Eurocodes and British Standards

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full subscription to SCALE | $50.99 | per month |
| Full subscription to SCALE | $299.99 | per year |


### Easy Unit

[App page](https://appshunter.io/ios/app/easy-unitconvert-units/id1643640909)

This app simplifies unit conversions with a wide range of tools. Easily convert currencies, weights, measurements, and time with a user-friendly interface. It's designed for quick and accurate calculations.

**Highlights:** Currency conversion, Weight conversion, Feet and inches calculation, Hours calculation, Multiple unit types

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

**In-app purchases:** none


## Frequently asked questions

### Is SCALE Structural Calculations free?

SCALE Structural Calculations is free to download, with in-app purchases available.

### Is Easy Unit free?

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

### Do SCALE Structural Calculations or Easy Unit have ads?

Easy Unit shows ads; SCALE Structural Calculations does not.

### Which is updated more often, SCALE Structural Calculations or Easy Unit?

SCALE Structural Calculations ships an update monthly, and Easy Unit every 3 weeks. Most recently, SCALE Structural Calculations was updated on October 7, 2026 and Easy Unit on September 23, 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.*