# Southco Utility vs smark lock

The clearest difference is iOS requirement: smark lock at 13.0 against Southco Utility's 15.0. On price, update cadence, 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.

Southco Utility ships an update every 3 months, smark lock every 4 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Southco Utility | smark lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/southco-utility/id6446764010/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 14 MB | 40 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Southco, Inc.](https://appshunter.io/developer/446309412) | [震 王](https://appshunter.io/developer/1734329851) |

## What reviewers say

### Southco Utility

[App page](https://appshunter.io/ios/app/southco-utility/id6446764010)

This utility app allows for the testing and validation of unregistered Southco Bluetooth devices. It enables users to check sensor status, unlock devices, and update firmware before end-user registration, ensuring proper installation and functionality.

**Highlights:** Test unregistered Southco Bluetooth devices, Check sensor status, Unlock devices, Upgrade device firmware, Validate installation before shipping

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

**In-app purchases:** none


### smark lock

[App page](https://appshunter.io/ios/app/smark-lock/id6752854176)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Southco Utility free?

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

### Is smark lock free?

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

### Do Southco Utility or smark lock have ads?

Neither Southco Utility nor smark lock shows ads.

### Which is updated more often, Southco Utility or smark lock?

Southco Utility ships an update every 3 months, and smark lock every 4 months. Most recently, Southco Utility was updated on October 24, 2026 and smark lock on October 13, 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.*