Zctower vs KERONG Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zctower
Control smart lock terminal devices remotely. Manage unlocking, locking, key settings, and permissions wirelessly. Collect data from your devices.
- Wireless device control
- Unlocking and locking
- Key setting
- Permission management
- Data collection
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Zhengcheng Smart Lock APP is an application designed by Fuzhou Zhengcheng Lead Seal Co., Ltd. to control terminal devices. It uses wireless technology to realize operations such as unlocking, locking, key setting, permission control, and data collection of terminal devices.
KERONG Lock
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The APP is one KERONG Bluetooth application designed for the KERONG Smart Passive Locks. It is acted as the operation interface of the passive lock electronic key. The APP can be connected to the passive lock electronic key through the Bluetooth on the smartphone to set the authorization for each passive lock. The main functions as below: 1.Support the Bluetooth to unlock 2.Add multiple electronic keys and locks 3.Pair the electronic keys and locks 4.Set the authorization of the electronic keys 5.Check the operation logs
Screenshots
Verdict
Zctower and KERONG 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 weekly. The most recent releases landed on June 1, 2026 and June 11, 2026 respectively.
| Parameter | Zctower | KERONG Lock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 131 MB |
| Age rating | 4+ | 4+ |
| Developer | 福州正城铅封有限公司 | 深圳市科荣实业有限公司 |
In-app purchases
Zctower
No in-app purchases
KERONG Lock
No in-app purchases
