Southco Utility vs smark lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Southco Utility
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.
- Test unregistered Southco Bluetooth devices
- Check sensor status
- Unlock devices
- Upgrade device firmware
- Validate installation before shipping
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Easily test unregistered Southco Bluetooth® devices before they are sent to the end user. Check sensor status, unlock the device, and upgrade the device firmware all before any user registers it on their app. Perfect for installers or quality technicians to validate installation before shipping a product to an end user. Note: Works only with unregistered Southco Bluetooth devices.
smark lock
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nfc开锁和关锁工具
Screenshots
Verdict
Southco Utility and smark lock are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on August 13, 2026 and September 9, 2026 respectively.
| Parameter | Southco Utility | smark lock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 21 MB | 40 MB |
| Age rating | 4+ | 17+ |
| Developer | Southco, Inc. | 震 王 |
In-app purchases
Southco Utility
No in-app purchases
smark lock
No in-app purchases









