# Zctower vs smark lock

The clearest difference is update cadence: Zctower at weekly against smark lock's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zctower ships an update weekly, smark lock every 4 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Zctower | smark 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** | Every 4 months |
| Monetization | Free | — |
| Size | 43 MB | 40 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [福州正城铅封有限公司](https://appshunter.io/developer/1701770318) | [震 王](https://appshunter.io/developer/1734329851) |

## 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


### smark lock

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zctower free?

Zctower 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 Zctower or smark lock have ads?

Neither Zctower nor smark lock shows ads.

### Which is updated more often, Zctower or smark lock?

Zctower ships an update weekly, and smark lock every 4 months. Most recently, Zctower was updated on June 1, 2026 and smark lock on September 9, 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.*