# VSensors vs KeyGuardian

The clearest difference is update cadence: VSensors at every 7 months against KeyGuardian's every 21 months. VSensors also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, 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.

VSensors ships an update every 7 months, KeyGuardian every 21 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | VSensors | KeyGuardian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/vsensors/id6458102676/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 21 months |
| Monetization | Free | — |
| Size | 43 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) | [Sergii Sinkevych](https://appshunter.io/developer/1134556320) |

## What reviewers say

### VSensors

[App page](https://appshunter.io/ios/app/vsensors/id6458102676)

This application connects to multiple Bluetooth sensors to monitor environmental conditions like illumination, temperature, humidity, and noise. It displays data in maximum/minimum modes, line charts, and tables, with export options available. Requires Vevor Bluetooth Sensor Series and iOS 9.0 or later.

**Highlights:** Connects multiple Bluetooth sensors simultaneously, Monitors illumination, temperature, humidity, and noise, Maximum and minimum display modes, Line chart and data table views, Data export in various formats

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyGuardian

[App page](https://appshunter.io/ios/app/keyguardian/id6469448483)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VSensors free?

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

### Is KeyGuardian free?

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

### Do VSensors or KeyGuardian have ads?

Neither VSensors nor KeyGuardian shows ads.

### Which is updated more often, VSensors or KeyGuardian?

VSensors ships an update every 7 months, and KeyGuardian every 21 months. Most recently, VSensors was updated on October 24, 2026 and KeyGuardian on October 30, 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.*