# AudioAnalyzerHT vs Metal Detector EMF & Stud

The clearest difference is update cadence: Metal Detector EMF & Stud at every 4 months against AudioAnalyzerHT's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AudioAnalyzerHT sells 1 one-off in-app purchase and Metal Detector EMF & Stud sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AudioAnalyzerHT ships an update every 11 months, Metal Detector EMF & Stud every 4 months. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AudioAnalyzerHT | Metal Detector EMF & Stud |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Size | 4 MB | 11 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HTLab](https://appshunter.io/developer/384289233) | [MUHAMMET USLU](https://appshunter.io/developer/1864979364) |

## What reviewers say

### AudioAnalyzerHT

[App page](https://appshunter.io/ios/app/audioanalyzerht/id6754418363)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PremiumPlan | $0.99 | one-time |


### Metal Detector EMF & Stud

[App page](https://appshunter.io/ios/app/metal-detector-emf-and-stud/id6778024560)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $2.99 | per 7 days |
| Yearly Pro | $24.99 | per year |


## Frequently asked questions

### Is AudioAnalyzerHT free?

AudioAnalyzerHT is free to download, with in-app purchases available.

### Is Metal Detector EMF & Stud free?

Metal Detector EMF & Stud is free to download, with in-app purchases available.

### Do AudioAnalyzerHT or Metal Detector EMF & Stud have ads?

Neither AudioAnalyzerHT nor Metal Detector EMF & Stud shows ads.

### Which is updated more often, AudioAnalyzerHT or Metal Detector EMF & Stud?

AudioAnalyzerHT ships an update every 11 months, and Metal Detector EMF & Stud every 4 months. Most recently, AudioAnalyzerHT was updated on October 27, 2026 and Metal Detector EMF & Stud on October 31, 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.*