# Low Frequency Detector vs GPS Speedometer

The clearest difference is price: GPS Speedometer at Free against Low Frequency Detector's $9.99. Low Frequency Detector's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

GPS Speedometer is free to download; Low Frequency Detector costs $9.99 up front. GPS Speedometer sells 2 in-app purchases, starting at $2.99 per 7 days. Low Frequency Detector asks for nothing beyond the download.

## The numbers

| Metric | Low Frequency Detector | GPS Speedometer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[2.8 (6 ratings)](https://appshunter.io/ios/app/low-frequency-detector/id1196584147/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Paid | — |
| Size | 1 MB | 17 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Timur Sarbassov](https://appshunter.io/developer/1833731690) |

## What reviewers say

### Low Frequency Detector

[App page](https://appshunter.io/ios/app/low-frequency-detector/id1196584147)

This tool measures and analyzes low-frequency sounds that are difficult for the human ear to detect. It helps identify potential noise pollution from sources like construction or factories, providing detailed reports on frequency components and sound levels.

**Highlights:** Low-frequency power level measurement (<100Hz), Audible band power level measurement (Leq), 1/3 octave band analysis (OCT), FFT analysis (FFT), Time course graph (TIME), Measurement report generation, Calibration function

**In-app purchases:** none


### GPS Speedometer

[App page](https://appshunter.io/ios/app/gps-speedometer-speednow/id6807784504)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speedometer Pro Weekly | $2.99 | per 7 days |
| Speedometer Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Low Frequency Detector free?

Low Frequency Detector costs $9.99, with no in-app purchases.

### Is GPS Speedometer free?

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

### Do Low Frequency Detector or GPS Speedometer have ads?

Neither Low Frequency Detector nor GPS Speedometer shows ads.

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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.*