# Hidden Microphone Detector SM vs CalcVar

The clearest difference is price: Hidden Microphone Detector SM at Free against CalcVar's $0.99. Hidden Microphone Detector SM also leads on iOS requirement (13.0 vs 18.5). CalcVar's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Hidden Microphone Detector SM is free to download; CalcVar costs $0.99 up front. Hidden Microphone Detector SM sells 2 in-app purchases, starting at $3.99 per 7 days. CalcVar asks for nothing beyond the download.

## The numbers

| Metric | Hidden Microphone Detector SM | CalcVar |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hidden-microphone-detector-sm/id6749336576/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 2 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ahmet Yagız Sarıdogan](https://appshunter.io/developer/1767264527) | [亚益 刘](https://appshunter.io/developer/1833855274) |

## What reviewers say

### Hidden Microphone Detector SM

[App page](https://appshunter.io/ios/app/hidden-microphone-detector-sm/id6749336576)

This app helps you protect your privacy by detecting hidden microphones and other surveillance devices. It uses multiple scanning methods, including Wi-Fi, Bluetooth, thermal, and EMF sensors, to identify potential threats in your surroundings. Ensure your personal space is secure wherever you go.

**Highlights:** Hidden microphone detection, Wi-Fi network scanning, Bluetooth device scanning, Thermal and infrared detection, EMF sensor detection, Real-time alerts and visualizations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Yearly | $14.99 | per year |


### CalcVar

[App page](https://appshunter.io/ios/app/calcvar/id6761963172)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Microphone Detector SM free?

Hidden Microphone Detector SM is free to download, with in-app purchases available.

### Is CalcVar free?

CalcVar costs $0.99, with no in-app purchases.

### Do Hidden Microphone Detector SM or CalcVar have ads?

Neither Hidden Microphone Detector SM nor CalcVar 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.*