Zctower vs Lockstry
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.
Lockstry
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.
- Unlock storage units with NFC tap
- Share digital keys with others
- Manage account and billing
- View unit details
- Interactive facility map
- Revoke access anytime
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Lockstry turns your iPhone into your storage unit key. No more lost keys, forgotten codes, or trips to the front office — just tap your phone to unlock. UNLOCK WITH A TAP Use your phone's built-in NFC to unlock your storage unit in seconds. No Bluetooth pairing, no Wi-Fi needed — just hold your phone to the lock and you're in. SHARE ACCESS INSTANTLY Need your spouse, family member, or moving crew to get into your unit? Send them a digital key right from the app. Manage who has access and revoke it anytime. MANAGE YOUR ACCOUNT View and pay your billing, check your unit details, and stay on top of your storage — all without calling the front office. INTERACTIVE SITE MAP Not sure where your unit is? Use the built-in facility map to navigate directly to your door. Lockstry is available at participating self-storage facilities. Contact your facility to learn more.
Screenshots
Verdict
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.
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.
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.
| Parameter | Zctower | Lockstry |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 43 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | 福州正城铅封有限公司 | Lockstry |
Customer experience
Zctower
Lockstry
In-app purchases
Zctower
No in-app purchases
Lockstry
No in-app purchases
