# Steel Data vs Spy Camera Scanner

The clearest difference is in-app purchases: Steel Data at none against Spy Camera Scanner's 4. Spy Camera Scanner's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Spy Camera Scanner sells 4 in-app purchases, starting at $8.99 per 7 days. Steel Data asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Steel Data against 4.7 for Spy Camera Scanner. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Steel Data ships an update monthly, Spy Camera Scanner every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Steel Data | Spy Camera Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/steel-data/id1255989099/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/spy-camera-scanner-top-app/id6747384458/reviews) |
| Number of ratings | **5** | 3 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 13 MB | 232 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Huaping Ye](https://appshunter.io/developer/1639123510) | [Brandon Lewis](https://appshunter.io/developer/1821172599) |

## What reviewers say

### Steel Data

[App page](https://appshunter.io/ios/app/steel-data/id1255989099)

This app offers a comprehensive reference for various steel types, sizes, and unit weights. It's designed to assist professionals in the construction industry with quick access to essential steel data.

**Highlights:** Extensive steel type catalog, Detailed size information, Unit weight calculations, Construction industry focus, General reference tool

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

**In-app purchases:** none


### Spy Camera Scanner

[App page](https://appshunter.io/ios/app/spy-camera-scanner-top-app/id6747384458)

This utility helps you understand your wireless environment by scanning Wi-Fi and Bluetooth signals, detecting magnetic fields, and testing for infrared light. It offers manual inspection tips and scan history to help you stay informed in various locations.

**Highlights:** Wi-Fi network scanning, Bluetooth device detection, Magnetic field meter, Infrared light test, Manual inspection guide, Scan history

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Detect App Pro Weekly | $8.99 | per 7 days |
| Spy Camera Scanner - Top App | $8.99 | per 7 days |
| Detect App Pro Monthly | $14.99 | per month |
| Spy Camera Scanner - Top App | $15.99 | per month |


## Frequently asked questions

### Is Steel Data free?

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

### Is Spy Camera Scanner free?

Spy Camera Scanner is free to download, with in-app purchases available.

### Which has better reviews, Steel Data or Spy Camera Scanner?

Steel Data is rated higher. Steel Data averages 4.8 out of 5 from 5 ratings, while Spy Camera Scanner averages 4.7 from 3 ratings.

### Do Steel Data or Spy Camera Scanner have ads?

Steel Data shows ads; Spy Camera Scanner does not.

### Which is updated more often, Steel Data or Spy Camera Scanner?

Steel Data ships an update monthly, and Spy Camera Scanner every 2 weeks. Most recently, Steel Data was updated on October 24, 2026 and Spy Camera Scanner on October 25, 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.*