# Zctower vs Lockstry

The clearest difference is iOS requirement: Zctower at 13.0 against Lockstry's 17.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Zctower against 5.0 for Lockstry. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Zctower ships an update weekly, Lockstry fortnightly. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Zctower | Lockstry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/zctower/id6504358858/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/lockstry/id6749024509/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | Free |
| Size | 43 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [福州正城铅封有限公司](https://appshunter.io/developer/1701770318) | [Lockstry](https://appshunter.io/developer/1769311419) |

## 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


### Lockstry

[App page](https://appshunter.io/ios/app/lockstry/id6749024509)

Transform your iPhone into a digital key for your storage unit. Unlock your unit with a simple tap using NFC technology. Share access with others and manage your account, including payments and unit details, all within the app.

**Highlights:** Unlock storage units with NFC tap, Share digital keys with others, Manage account and billing, View unit details, Interactive facility map, Revoke access anytime

**In-app purchases:** none


## Frequently asked questions

### Is Zctower free?

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

### Is Lockstry free?

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

### Which has better reviews, Zctower or Lockstry?

Zctower and Lockstry are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Zctower or Lockstry have ads?

Neither Zctower nor Lockstry shows ads.

### Which is updated more often, Zctower or Lockstry?

Zctower ships an update weekly, and Lockstry fortnightly. Most recently, Zctower was updated on October 4, 2026 and Lockstry on October 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.*