# SCALE Structural Calculations vs Inspect7

The clearest difference is in-app purchases: Inspect7 at none against SCALE Structural Calculations's 2. Inspect7 also leads on update cadence (every 2 weeks vs monthly) and device support (3 vs 1). SCALE Structural Calculations's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment and ads there is nothing between them.

Both are free to download. SCALE Structural Calculations sells 2 in-app purchases, starting at $50.99 per month. Inspect7 asks for nothing beyond the download.

SCALE Structural Calculations ships an update monthly, Inspect7 every 2 weeks. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SCALE Structural Calculations | Inspect7 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 82 MB | 28 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fitzroy Systems Limited](https://appshunter.io/developer/1225174135) | [SafeTime Ltd](https://appshunter.io/developer/1445527018) |

## 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 |


### Inspect7

[App page](https://appshunter.io/ios/app/inspect7/id1445527019)

Streamline scaffold inspections with this innovative mobile app. Replace manual processes with digital checklists, NFC scanning, and cloud integration for efficient and simple site assessments.

**Highlights:** Digital inspection checklists, NFC scanning for scaffold labels, Cloud-based data integration, Comment boxes for detailed notes, Simple and efficient process

**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 Inspect7 free?

Inspect7 is free to download, with no in-app purchases.

### Do SCALE Structural Calculations or Inspect7 have ads?

Neither SCALE Structural Calculations nor Inspect7 shows ads.

### Which is updated more often, SCALE Structural Calculations or Inspect7?

SCALE Structural Calculations ships an update monthly, and Inspect7 every 2 weeks. Most recently, SCALE Structural Calculations was updated on June 1, 2026 and Inspect7 on September 16, 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.*