Comparison

OM Elock vs ZMACS

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

OM Elock

Features
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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.

About

ZMACS

Features
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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

OM Elock4 screens
ZMACS4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

OM Elock ships an update fortnightly, ZMACS every 3 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard1 real difference ยท 5 level
OM Elock versus ZMACS: the parameters behind the verdict, then further details
ParameterOM ElockZMACS
PriceFreeFree
Update frequencyFortnightly โ€” betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 โ€” better15.0
Further details โ€” not scored
Size38 MB51 MB
Age rating4+4+
DeveloperChengdu Fulimeng Environmental Protection Big Data Co., Ltd.Hizima Technologies Co., Ltd

In-app purchases

None

OM Elock

No in-app purchases

None

ZMACS

No in-app purchases

Questions

Is OM Elock free?
OM Elock is free to download, with no in-app purchases.
Is ZMACS free?
ZMACS is free to download, with no in-app purchases.
Do OM Elock or ZMACS have ads?
Neither OM Elock nor ZMACS shows ads.
Which is updated more often, OM Elock or ZMACS?
OM Elock ships an update fortnightly, and ZMACS every 3 weeks. Most recently, OM Elock was updated on November 7, 2026 and ZMACS on November 3, 2026.

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