# Low Frequency Detector vs MobiShip

The clearest difference is review sentiment: MobiShip at 100% against Low Frequency Detector's 50%. MobiShip also leads on price (Free vs $9.99) and rating (4.7 vs 2.8). On ratings volume, ads, in-app purchases and device support there is nothing between them.

MobiShip is free to download; Low Frequency Detector costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MobiShip holds the better App Store score, 4.7 against 2.8. Both are backed by a comparable volume of ratings — 6 and 13 respectively. Written reviews point the same way: 50% of Low Frequency Detector's written reviews are positive against 100% of MobiShip's.

Low Frequency Detector ships an update every 9 months, MobiShip weekly. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Low Frequency Detector | MobiShip |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [2.8 (6 ratings)](https://appshunter.io/ios/app/low-frequency-detector/id1196584147/reviews) | **[4.7 (13 ratings)](https://appshunter.io/ios/app/mobiship/id6773009288/reviews)** |
| Number of ratings | 6 | **13** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 118 MB |
| Requires iOS | 26.2 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [MobiShip LLC](https://appshunter.io/developer/6773009290) |

## 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


### MobiShip

[App page](https://appshunter.io/ios/app/mobiship/id6773009288)

Easily compare shipping rates, save money with discounted pricing, and ship packages directly from your phone. Generate a QR code for label-free drop-off at participating locations, eliminating the need for a printer or scale.

**Highlights:** Compare shipping rates, Discounted shipping prices, Label-free QR code drop-off, AI-assisted package estimation, Shipment tracking, Real-time notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Low Frequency Detector free?

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

### Is MobiShip free?

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

### Which has better reviews, Low Frequency Detector or MobiShip?

MobiShip is rated higher. Low Frequency Detector averages 2.8 out of 5 from 6 ratings, while MobiShip averages 4.7 from 13 ratings.

### Do Low Frequency Detector or MobiShip have ads?

Neither Low Frequency Detector nor MobiShip shows ads.

### Which is updated more often, Low Frequency Detector or MobiShip?

Low Frequency Detector ships an update every 9 months, and MobiShip weekly. Most recently, Low Frequency Detector was updated on November 2, 2026 and MobiShip 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.*