Comparison

Optima mobile 3 vs Access Control by Shelly

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

Head to head
About

Optima mobile 3

Features
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With DIVUS OPTIMA mobile 3 you can control your home automation system even when you are on the road. Use your device in order to supervise and control the functions of your home via Wi-Fi or mobile network. The app acts as client software that connects to your DIVUS KNX SERVER or DIVUS D+ device and thereby gives you access to your KNX system. The simple interface of the DIVUS OPTIMA app gives you easy access to all functionalities of your system. Not only light control is possible but also HVAC control, irrigation, scenarios, shutter functions, energy management and much more can be easily managed remotely. In order to use the app no additional configuration is required! Once your KNX bus system is working and your DIVUS KNXCONTROL device is set up, just insert the IP address / port of the device and a valid set of credentials in the app settings and you will gain access to all the KNX devices of your system. New: Take advantage of the new interface where each project has its summary page, showing the connection status and giving access to a set of quick-access objects which you can directly control - without loading the whole visualization. Of course you can also load the project as usual and access all of its functions. +Requirements: This application is compatible only with the following DIVUS devices: DIVUS KNX SERVER with software version 2.5.0 or higher, DIVUS KNX SERVER 3 (any version), DIVUS D+ (any version) +Additional information When connecting for the first time with a DIVUS device there will be an initial loading time of approximately 1 minute during which the contents from the server are downloaded. Additional information about the usage of the app can be found in the documentation section on the DIVUS homepage. +Functions: - Project overview page - Quick-access objects - QR-code scanning and project sharing to quickly configure the access to a project - Light control (on / off, dimming), shutters, irrigation, โ€ฆ - HVAC (heating / cooling) - Scenarios - Energy management - Weather information - Notifications - Cloud access

About

Access Control by Shelly

Features
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Welcome to the forefront of access control management with our Shelly Access Control application. Designed to streamline and fortify your security infrastructure, our application puts you in full command of who enters your premises and when. Say farewell to antiquated, manual methods and embrace the efficiency of digital access management. Our Shelly Access Control application empowers you to effortlessly administer access permissions remotely, ensuring your premises remain secure from anywhere in the world. With customizable permission settings, you receive the flexibility to tailor access levels to individual users or groups, ensuring precise control over who has access to sensitive areas. Stay vigilant with real-time monitoring features that provide instant notifications and live updates on access events. Whether it's granting access to employees, visitors, or service personnel, our application ensures you're always in the know. We understand that integration is key to a seamless security ecosystem. That's why our application seamlessly integrates with your existing hardware and systems, providing a comprehensive access control solution that works harmoniously with your infrastructure. Experience the ease of access control management with our user-friendly interface. Navigating through access permissions, monitoring access events, and configuring settings has never been simpler. Take the next step in modernizing your security infrastructure. Contact us today to learn more about how our Shelly Access Control application can elevate your security measures and provide unparalleled peace of mind.

Screenshots

Optima mobile 34 screens
Access Control by Shelly4 screens

Verdict

The call

The clearest difference is update cadence: Access Control by Shelly at every 2 months against Optima mobile 3's every 8 months. Optima mobile 3's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support 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

Optima mobile 3 ships an update every 8 months, Access Control by Shelly every 2 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

Scorecard2 real differences ยท 4 level
Optima mobile 3 versus Access Control by Shelly: the parameters behind the verdict, then further details
ParameterOptima mobile 3Access Control by Shelly
PriceFreeFree
Update frequencyEvery 8 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size72 MB10 MB
Age rating4+4+
DeveloperDIVUS GmbHSHELLY EUROPE EOOD

In-app purchases

None

Optima mobile 3

No in-app purchases

None

Access Control by Shelly

No in-app purchases

Questions

Is Optima mobile 3 free?
Optima mobile 3 is free to download, with no in-app purchases.
Is Access Control by Shelly free?
Access Control by Shelly is free to download, with no in-app purchases.
Do Optima mobile 3 or Access Control by Shelly have ads?
Neither Optima mobile 3 nor Access Control by Shelly shows ads.
Which is updated more often, Optima mobile 3 or Access Control by Shelly?
Optima mobile 3 ships an update every 8 months, and Access Control by Shelly every 2 months. Most recently, Optima mobile 3 was updated on October 14, 2026 and Access Control by Shelly on October 17, 2026.

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