Comparison

CleanAirOptima vs ELRO Connects 2.0

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

Head to head
About

CleanAirOptima

Control and monitor your smart air quality devices remotely from anywhere in the world. Set desired temperature and humidity levels, and track air quality across different rooms in your home.

Highlights
  • Remote device control
  • Real-time monitoring
  • Temperature and humidity tracking
  • Room management
  • Global access with internet
Features
Read full description

Instant access, wherever you go. Connect smart Clean Air Optima devices, control and monitor them from everywhere in the world only through your smartphone. The CleanAirOptima app allows you to take full control of your indoor air quality. Connect your smart Clean Air Optima devices in a couple of taps: - Control and monitor your smart Clean Air Optima devices using this app from everywhere, either from your office or travelling around the world. All you need is internet access. - Depending on your smart devices, seamlessly monitor the real-time temperature and humidity and set your desired parameter with only a few taps. - Create different rooms in your home, e.g. living room, bedrooms, etc., and specify in which room your smart device is located. In this way, you can keep track of temperature and humidity in different areas in your home. We are working on one of the most important things in the world: Fresh, healthy indoor air. Clean Air Optima International B.V. stands for innovative Clean Air Optima® Air Treatment Technology with healthy indoor air, designed in Germany. Through innovative technology and unique styles, the products of Clean Air Optima fit seamlessly into the individual living ambience. Clean Air Optima Corporate Philosophy. The Clean Air Optima Group ensures its existence through the Satisfaction of its customers. The stated goal is highest Customer satisfaction. Clean Air Optima® products are Certified according to their intended purpose. And for this we constantly monitor the quality of the product, analyze customer problems and recommend appropriate solutions. We offer our customers a high quality customer service: they receive expert advice before and after purchasing our products.

About

ELRO Connects 2.0

Features
Read full description

The ELRO Connects K2 Connector is the base station of your ELRO Connects system. This connector ensures that you can connect all ELRO Connects products to the ELRO Connects 2.0 App. This puts you in charge of your entire home with your smartphone or tablet. It is possible to connect a wide range of devices to the ELRO Connects 2.0 system. The products can be divided into 3 different categories: 1. Fire safety. Consisting of smoke, CO, heat and water detectors. 2. Intrusion protection. Consisting of motion sensors, door/window contacts, SOS button. 3. Comfort. Consisting of a thermometer, radiator thermostat and smart switches. The main unit is the K2 Connector, which connects to the internet. This unit has a built-in speaker and LED lighting. Make yourself more comfortable with the Connects 2.0 app. The app allows you to set different scenes where, for example, the light switches on/off at a specific time. It is also possible to create automation related to motion detection or opening doors. Use water detectors for your washing machine and a radiator thermostat to warm up the bathroom in the morning. By adding safeguards such as motion sensors and magnetic contacts, you turn the system into an alarm system.

Screenshots

CleanAirOptima4 screens
ELRO Connects 2.04 screens

Verdict

The call

The clearest difference is update cadence: ELRO Connects 2.0 at every 2 months against CleanAirOptima's every 17 months. ELRO Connects 2.0 also leads on iOS requirement (9.0 vs 12.0). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

CleanAirOptima ships an update every 17 months, ELRO Connects 2.0 every 2 months. Both last shipped on November 3, 2026.

Scorecard2 real differences · 7 level
CleanAirOptima versus ELRO Connects 2.0: the parameters behind the verdict, then further details
ParameterCleanAirOptimaELRO Connects 2.0
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 17 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.09.0 — better
Further details — not scored
Size194 MB46 MB
Age rating4+4+
DeveloperClean Air Optima International B.V.ELRO Europe

In-app purchases

None

CleanAirOptima

No in-app purchases

None

ELRO Connects 2.0

No in-app purchases

Questions

Is CleanAirOptima free?
CleanAirOptima is free to download, with no in-app purchases.
Is ELRO Connects 2.0 free?
ELRO Connects 2.0 is free to download, with no in-app purchases.
Do CleanAirOptima or ELRO Connects 2.0 have ads?
Neither CleanAirOptima nor ELRO Connects 2.0 shows ads.
Which is updated more often, CleanAirOptima or ELRO Connects 2.0?
CleanAirOptima ships an update every 17 months, and ELRO Connects 2.0 every 2 months. Most recently, CleanAirOptima was updated on November 3, 2026 and ELRO Connects 2.0 on November 3, 2026.

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