OM Elock vs ZMACS
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
OM Elock
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Functions of new Operation Master 2: 1. Efficient & effective management and control solution on access to remote resources such as tower sites. 2. Control via authorized users. 3. Mobile app able to perform key and/or keyless unlock, depending on lock type used. 4. Access records automatically updated to the server. 5. Server database keeps all records for management decision-making.
ZMACS
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ZMACS APP is the application of Hizima smart access control solution, working together with ZMACS CMS to operate and manage Hizima smart keys and locks, realizing centrialized management and remote access control of industrial massive and widely distributed outdoor assets. After ZMACS APP is installed on the mobile phone, it needs to cooperate with Hizima smart keys or locks and ZMACS CMS to perform corresponding operations. Brief introduction of main functions: 1. Search Hizima smart keys and locks After login and enter the home page, the system automatically search for Hizima smart keys and locks through Bluetooth. Click the device to perform relevant operations. 2. Apply for work order Apply for access permission, only authorized users can open the smart locks. 3. Unlock the smart locks Click the smart key or lock searched out, the lock can be opened on the condition that the user has access permission, otherwise the access will be denied.
Screenshots
Verdict
The clearest difference is iOS requirement: OM Elock at 11.0 against ZMACS's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OM Elock ships an update fortnightly, ZMACS every 3 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | OM Elock | ZMACS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly โ better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 38 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Chengdu Fulimeng Environmental Protection Big Data Co., Ltd. | Hizima Technologies Co., Ltd |
In-app purchases
OM Elock
No in-app purchases
ZMACS
No in-app purchases






