OOONO vs Klarstein
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OOONO
Receive real-time alerts for speed cameras and road hazards, enhancing your safety and reducing travel stress. Connect to a global community of drivers for up-to-the-minute information on traffic conditions.
- Real-time speed camera warnings
- Road hazard alerts
- Live reports from millions of drivers
- Works in 80+ countries
- No distracting display
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Traffic sucks. It sucks a little less when you know what’s coming up ahead on the road. That makes your trip quite safer too. And that’s exactly what the OOONO CO-DRIVER does. It warns you on all types of speed cameras and road hazards, thanks to live reports from millions of drivers in the OOONO community. Just get the app, connect it with your CO-DRIVER and you’re ready to hit the road more knowingly than ever before. WHY OOONO? - Warnings in your local area on all types of speed cameras and road hazards - Reports from millions of drivers every day - Works in 80+ countries - Several data sources - No display to distract in traffic HOW TO GET STARTED - Download the OOONO connect app - Pair your smartphone with your CO-DRIVER - Follow the in-app setup instructions - Place the CO-DRIVER in your car, buckle up and gooo
Klarstein
Control and monitor your smart home devices remotely from anywhere in the world. Organize devices by room, track real-time temperature and humidity, and access guides to learn app features. Stay updated on sales and connect with customer support.
- Remote device control
- Real-time monitoring
- Room organization
- Temperature and humidity tracking
- In-app guides
- Sales information
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Connect smart Klarstein devices, control and monitor them remotely from everywhere in the world only through the Klarstein app. Key features at your disposal in Klarstein App: Connect your smart Klarstein devices in a couple of taps: • Control and monitor your smart Klarstein 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 device, seamlessly monitor the real-time temperature and humidity and set your desired parameter with only a few taps. • Create different rooms in your apartment, 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 of your apartment. • Make a tour through the app with our guides! We make sure you know how to use the app and its different features. Stay tuned with us: • Find information about our upcoming sales. • Stay in touch with our customer support and let us know how you like our app. Some features may not be available for all products. We update the app regularly so you can get the most out of your products. Send us a message: appsupport@go-bbg.com • • • Klarstein stands for innovative Modern Living products designed in Berlin. Klarstein's broad product range includes strong household helpers of all kinds: from kitchen appliances to home appliances to climate control products, everything is available. Through exciting colours, innovative technology and unique styles, the products of Klarstein fit seamlessly into the individual living ambience and become indispensable companions in the everyday life of our customers. At Klarstein, the slogan "time for variety" is both a claim and a guiding principle, which runs like a red thread through the entire product portfolio.
Screenshots
Verdict
The clearest difference is rating: Klarstein at 4.3 against OOONO's 2.0. Klarstein also leads on ratings volume (29 vs 1) and monetization model (free vs ad-supported). On price, review sentiment, update cadence and ads 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.
Klarstein holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Klarstein has 29 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 56% of OOONO's written reviews are positive against 52% of Klarstein's, so the app with the better star average is not the one people write more warmly about.
OOONO ships an update every 3 weeks, Klarstein monthly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.
| Parameter | OOONO | Klarstein |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 4.3 (29 ratings) — better |
| Positive reviews | 56.2% of reviews — better | 52.3% of reviews |
| Number of ratings | 1 | 29 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 18.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 83 MB | 243 MB |
| Age rating | 4+ | 4+ |
| Developer | ooono AS | Chal-Tec GmbH |
Customer experience
OOONO
Klarstein
Bugs and requests
OOONO
Not enough reviews yet to summarise bugs or requests.
Klarstein
Reported bugs
36 issues- App crashes after update
- Schedules ignored or reset randomly
- Devices turn on/off randomly
- Temperature settings are random
- App does not work after update
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- Cannot log in
- QR code scanning issues
- Timers/countdown feature broken
- Lost previous schedules after update
- Cannot set timers for less than an hour
- Previous schedule settings deleted after update
- Cannot apply scheduled times for more than one day
- App freezes or shows endless loading
- Devices disappear from app after update
- Cannot add devices back after update
- UI text overlaps
- Humidity display incorrect and setting changes result in incorrect values
- Stecker-Reaktor not supported
- App requires reinstallation to work
- Login issues after update
- Wi-Fi connection issues
- Password change not possible
- Ventilation speed adjustment missing in refresh mode
- App loses connection to devices
- Error when accessing link
- Cannot reset password
- App not supporting English
- Incorrect time selection in scheduler
- Device not in list
- Air fryer not supported
- Blank screens and half visible wording
- Crashing all the time
- Cannot connect to WiFi
- UI improvements needed for schedule process
- Auto mode disables manual schedule switching
- New scheduler is unfriendly
Requested features
11 requests- Dark mode
- Power consumption monitoring
- Siri/HomeKit integration
- Ability to select multiple devices for scenes
- Remove sound on radiator
Show 6 moreShow fewer
- Widgets for the app
- Customizable presets
- Ability to disable open window detection permanently
- HomeKit or Matter update
- Copy day option for schedules
- More recipes for milk maker
In-app purchases
OOONO
No in-app purchases
Klarstein
No in-app purchases









