# SOS HESecurity vs Unit Converter And Tools

The clearest difference is in-app purchases: SOS HESecurity at none against Unit Converter And Tools's 3. SOS HESecurity also leads on ads (none vs shown) and iOS requirement (12.1 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Unit Converter And Tools sells 3 in-app purchases, starting at $4.49 per month. SOS HESecurity asks for nothing beyond the download.

SOS HESecurity ships an update every 16 months, Unit Converter And Tools every 10 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SOS HESecurity | Unit Converter And Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/unit-converter-and-tools/id1637233434/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 10 months** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 23 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HARIS ENTERPRISES (PRIVATE) LIMITED](https://appshunter.io/developer/1390661788) | [Yalintech](https://appshunter.io/developer/1530568426) |

## What reviewers say

### SOS HESecurity

[App page](https://appshunter.io/ios/app/sos-hesecurity/id1390661789)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Converter And Tools

[App page](https://appshunter.io/ios/app/unit-converter-and-tools/id1637233434)

This app offers a comprehensive suite of tools, including unit conversion, device information access, a digital compass, and a metal detector. It supports multiple languages and allows for offline conversions, aiming to simplify daily tasks and provide useful device utilities.

**Highlights:** Unit conversion for all types, Offline conversion capability, Device information access, Digital compass with level, Metal detector with vibration alarm, Multiple language support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.49 | per month |
| Yearly Subscription | $7.49 | per year |
| One time purchase | $10.99 | one-time |


## Frequently asked questions

### Is SOS HESecurity free?

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

### Is Unit Converter And Tools free?

Unit Converter And Tools is free to download, with in-app purchases available.

### Do SOS HESecurity or Unit Converter And Tools have ads?

Unit Converter And Tools shows ads; SOS HESecurity does not.

### Which is updated more often, SOS HESecurity or Unit Converter And Tools?

SOS HESecurity ships an update every 16 months, and Unit Converter And Tools every 10 months. Most recently, SOS HESecurity was updated on October 26, 2026 and Unit Converter And Tools on November 3, 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.*