Lock Tool vs langolink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lock Tool
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The cLock tool is a tool that is provided specially for the hotel and apartment customers to configure network of the PINE WORLD WIFi door lock.It needs to cooperate with the supporting backstage management system, so as to realize the remote control of all the locks of all hotels and apartments.
langolink
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Langolink is a smart device management platform that facilitates quick interactions between apps and smart hardware through the Xiaofeng Lianlian system.
Screenshots
Verdict
The clearest difference is update cadence: langolink at every 3 weeks against Lock Tool's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
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.
Lock Tool ships an update every 3 months, langolink every 3 weeks. The most recent releases landed on September 13, 2026 and May 16, 2026 respectively.
| Parameter | Lock Tool | langolink |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 19 MB | 61 MB |
| Age rating | 4+ | 12+ |
| Developer | Shenzhen Zhixin Wulian Technology Co., Ltd. | Guangzhou LANGO Electronics Technology Co., Ltd |
In-app purchases
Lock Tool
No in-app purchases
langolink
No in-app purchases
