# Work Order Application vs NVH Lab

The clearest difference is iOS requirement: Work Order Application at 13.0 against NVH Lab's 15.5. 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.

Work Order Application ships an update weekly, NVH Lab every 4 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Work Order Application | NVH Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/nvh-lab-car-noise-meter/id6760685054/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free |
| Size | 56 MB | 92 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Diversified Technology](https://appshunter.io/developer/1721424502) | [Aenea LLC](https://appshunter.io/developer/1885727491) |

## What reviewers say

### Work Order Application

[App page](https://appshunter.io/ios/app/work-order-application/id6475170868)

**Features:** macOS Compatibility

**In-app purchases:** none


### NVH Lab

[App page](https://appshunter.io/ios/app/nvh-lab-car-noise-meter/id6760685054)

Measure and analyze your car's cabin noise to identify the source of sounds like rattles, wind noise, or tire roar. Compare drive tests under consistent conditions and receive guided diagnoses for potential causes.

**Highlights:** Measure cabin noise levels (dBA and sones), Record and compare repeatable drive tests, Analyze frequency spectrum for sound sources, Guided noise diagnosis for common issues, Before-and-after comparison tests, Vehicle-specific garage and community data

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

**In-app purchases:** none


## Frequently asked questions

### Is Work Order Application free?

Work Order Application is free to download, with no in-app purchases.

### Is NVH Lab free?

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

### Do Work Order Application or NVH Lab have ads?

Neither Work Order Application nor NVH Lab shows ads.

### Which is updated more often, Work Order Application or NVH Lab?

Work Order Application ships an update weekly, and NVH Lab every 4 days. Most recently, Work Order Application was updated on October 27, 2026 and NVH Lab on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*