Smart Lock vs SENTRY PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Lock
This utility app works with a specific mechatronic lock and key system to manage access and track operations. It allows users to find smart keys, open authorized locks, apply for access tickets, and view operation logs. The app also facilitates lock management and provides navigation to stations.
- Search and connect to Smart Keys
- Open authorized Smart Locks
- Apply for and manage lock access tickets
- View daily, weekly, and monthly operation logs
- Manage lock authorizations and One Time Passwords
- Initialize, reset, and bind locks
- Navigate to station locations
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Smart Lock App is the App working with Smart Lock solution which help user to reduce OPEX and increase efficiency and security level during user’s daily operating work. This App is only working with corresponding mechatronic lock and key. Function: Search for Smart Key Click the icon of key on the homepage to find the Smart Key, and then click the Smart Key ID to connect. Open Smart Lock Click the icon of lock on the homepage to open a Smart Lock while the login account has proper authorization. My Ticket New: Apply new ticket to get authorization to open lock. Pending: Pending ticket that wait for approval. Rejected: Rejected ticket. Approved: Ticket that approved. My Operation Today: The event log for today. Week: The event log for one week. Month: The event log for one month. More: The event log for one month ago. Management Authorization: Assigned lock authorization and One Time Password. Lock: Initialize lock, Reset lock, Bind lock and get lock ID. Approve: To approve pending ticket for user who has privilege. Offline & Log: Download the assigned lock authorization to Smart Key and Check or Collect event logs from Smart Key. Navigation Check the location of stations and user also can get navigation information by click the station. Note: 1. iPhone 4s or above is required since this App is required to use Bluetooth 4.0. 2. GPS running in the background can be big battery usage.
SENTRY PRO
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Use the app to make your home even more secure. Sentry lock. Modern answers to modern questions. Have absolute security and peace of mind for your home and family with the Sentry lock app. This app was designed for convenient access and management of the Sentry lock features. New Sentry lock can easily be added to the app, giving you total control of all your locks through one easy-to-use app. Use the app for direct control of key codes. You can reset keypad codes and track how often your door has been opened. Push notifications are also available so you know everything that occurs at any time. With the app, you will know who has access to your Sentry lock anytime, anywhere. Give access to those you trust by sending permanent or temporary keys by phone or email. A single tap even allows you to view and delete user access. Never guess about your administrative passwords again with the Sentry lock app. You can update your password, and for added security, you can track your password history. The app can also be used to turn locking sounds on or off, view information about your Sentry lock, and manage app settings. Features Find, add, and delete Sentry lock Use Bluetooth® for secure access to your Sentry lock Send keys to those you trust via email or phone Reset keypad codes View and manage user access to the lock Keep track of when and how often the lock has been used Update the password and track its history Turn locking sounds on or off Turn notifications about your Sentry lock on or off View information about your Sentry lock Manage app settings Enjoy priceless security for you and your family with Sentry lock.
Screenshots
Verdict
The clearest difference is update cadence: SENTRY PRO at every 5 days against Smart Lock's every 2 months. SENTRY PRO also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and device support 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.
Smart Lock ships an update every 2 months, SENTRY PRO every 5 days. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.
| Parameter | Smart Lock | SENTRY PRO |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Hizima Technologies Co., Ltd | Limson Marketing Inc. |
In-app purchases
Smart Lock
No in-app purchases
SENTRY PRO
No in-app purchases









