# STEELMAN vs Work Noise Partner

The clearest difference is update cadence: Work Noise Partner at every 4 months against STEELMAN's every 22 months. STEELMAN's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

STEELMAN ships an update every 22 months, Work Noise Partner every 4 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | STEELMAN | Work Noise Partner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/work-noise-partner/id1455628087/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 20 MB | 139 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JS Products, Inc.](https://appshunter.io/developer/673417159) | [Hottinger Bruel & Kjaer A/S](https://appshunter.io/developer/622515894) |

## What reviewers say

### STEELMAN

[App page](https://appshunter.io/ios/app/steelman-smartear-lite/id673417156)

This app transforms your iOS device into a sound and vibration detection tool. It helps pinpoint defective or worn parts in machinery and vehicles by analyzing rattles, squeaks, and grinding sounds. Requires additional hardware for full functionality.

**Highlights:** Sound and vibration detection, Pinpoint defective parts, User-friendly interface, Analog/Digital display options, Adjustable sound settings, Informative user guide

**Features:** macOS Compatibility

**In-app purchases:** none


### Work Noise Partner

[App page](https://appshunter.io/ios/app/work-noise-partner/id1455628087)

This app provides a comprehensive tool for occupational noise exposure surveys, allowing remote control of sound level meters and data organization. Users can annotate measurements with photos, videos, and notes, and calculate workday noise doses according to ISO 9612 standards.

**Highlights:** Remote control of sound level meters, Organize measurements by task/group, Annotate with photo, video, notes, Calculate workday noise dose, ISO 9612 compliance

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is STEELMAN free?

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

### Is Work Noise Partner free?

Work Noise Partner is free to download, with no in-app purchases.

### Do STEELMAN or Work Noise Partner have ads?

Neither STEELMAN nor Work Noise Partner shows ads.

### Which is updated more often, STEELMAN or Work Noise Partner?

STEELMAN ships an update every 22 months, and Work Noise Partner every 4 months. Most recently, STEELMAN was updated on October 23, 2026 and Work Noise Partner 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.*