# Zctower vs KERONG Lock

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.

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.

## The numbers

| Metric | Zctower | KERONG Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zctower/id6504358858/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 43 MB | 131 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [福州正城铅封有限公司](https://appshunter.io/developer/1701770318) | [深圳市科荣实业有限公司](https://appshunter.io/developer/1475870198) |

## What reviewers say

### Zctower

[App page](https://appshunter.io/ios/app/zctower/id6504358858)

Control smart lock terminal devices remotely. Manage unlocking, locking, key settings, and permissions wirelessly. Collect data from your devices.

**Highlights:** Wireless device control, Unlocking and locking, Key setting, Permission management, Data collection

**Features:** macOS Compatibility

**In-app purchases:** none


### KERONG Lock

[App page](https://appshunter.io/ios/app/kerong-lock/id6578424967)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zctower free?

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

### Is KERONG Lock free?

KERONG Lock is free to download, with no in-app purchases.

### Do Zctower or KERONG Lock have ads?

Neither Zctower nor KERONG Lock shows ads.

### Which is updated more often, Zctower or KERONG Lock?

Zctower ships an update weekly, and KERONG Lock weekly. Most recently, Zctower was updated on June 1, 2026 and KERONG Lock on June 11, 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.*