Netatmo Energy vs Kozii
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Netatmo Energy
Control your home's heating remotely and optimize energy consumption. Set personalized schedules, adjust temperatures room-by-room, and track your usage. Features like Auto-Adapt and Open Window Detection help save energy without sacrificing comfort.
- Remote heating control
- Room-by-room temperature adjustment
- Energy consumption tracking
- Customizable heating schedules
- Auto-Adapt function
- Open Window Detection
- Manual Boost
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Discover smart heating solutions and save energy without giving up your comfort! This application requires a Netatmo Smart Thermostat or a Netatmo Smart Valve starter pack. Visit www.netatmo.com to learn more! SAVE ENERGY WHILE HEATING YOUR HOME The Thermostat & the Valves set a programme based on your daily routine, so that you heat your home only when needed. Use the graph in the App to track your consumption. MANAGE YOUR HEATING REMOTELY AND WITH VOICE CONTROL Change the temperature remotely from your smartphone, tablet or computer. Schedule your heating to ensure you come back from your holidays to a warm home. ROOM-BY-ROOM COMFORT Fine-tune your ideal temperature room-by-room. Control the heating in one room or the entire home in one gesture. Smart Regulation: the Smart Radiator Valves analyse the room environment in real time and adjust heating according to sunshine level and room use. Manual Boost: when needed, the temperature can be temporarily raised in a specific room. SMART HEATING FOR BETTER HOME COMFORT Auto-Adapt function: uses your home’s insulation and the outdoor temperature to programme when your heating should switch on. Open Window Detection: when the Smart Radiator Valve detects a window is open, it temporarily switches off the heating in the room to prevent energy waste.
Kozii
Effortlessly manage all your smart home devices, from lighting to security, with voice commands or your smartphone. Create custom atmospheres and scenarios to optimize device usage and save money. Enjoy secure and convenient control from anywhere.
- Control connected devices
- Create custom atmospheres
- Voice assistant compatibility
- Remote access from anywhere
- Optimize device usage
- Secure device grip
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Thanks to a simple and intuitive app, take control of all your connected devices (lighting, security, electrical products...) ! Create your atmospheres and scenarios matching with your lifestyle (be gently woken-up, presence simulation...), optimize the time of use of your devices and save money! Control your devices simply with your voice (compatible with Alexa and Google voice assistant) or via your smartphone. There is no more need to be next to your devices to take control of it: consult the Kozii app wherever you are and benefit of all the features of your products whenever you want. What is the app added value ? A simple, fast and secure grip.
Screenshots
Verdict
The clearest difference is review sentiment: Netatmo Energy at 77% against Kozii's 0%. Netatmo Energy also leads on ratings volume (85 vs 3) and update cadence (every 3 months vs every 8 months). Kozii's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 17). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Netatmo Energy holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Netatmo Energy has 85 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 77% of Netatmo Energy's written reviews are positive against 0% of Kozii's.
Netatmo Energy ships an update every 3 months, Kozii every 8 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | Netatmo Energy | Kozii |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (85 ratings) — better | 4.3 (3 ratings) |
| Positive reviews | 76.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 85 — better | 3 |
| Update frequency | Every 3 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17 | 12.0 — better |
| Further details — not scored | ||
| Size | 88 MB | 170 MB |
| Age rating | 4+ | 4+ |
| Developer | Legrand - Netatmo – Bticino | YANTEC |
Customer experience
Netatmo Energy
Kozii
Bugs and requests
Netatmo Energy
Reported bugs
12 issues- App loses smart relay connection after software updates
- Schedule changes not saved or revert to random settings
- Cannot delete schedules (delete button greyed out)
- Multi-property app only connects to one property at a time
- Thermostat display freezes or shows blank screen
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- Low battery warnings persist despite new batteries
- Manual boost heating doesn't turn off after set period
- Rooms overheat 2-3 degrees above requested temperature
- HomeKit connection drops intermittently
- App fails to find relay despite previous successful connection
- Radiator valve control affects all valves instead of individual ones
- Frost Guard button easily triggered accidentally during app closure
Requested features
13 requests- Dark mode and dark icon variants
- Geofencing capability for automatic heating control
- Boost button for quick 10-15 minute heating bursts
- Apple Watch app for convenient control
- Manual override for heating prediction timing
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- Ability to copy schedules across any days (not just weekday/weekend)
- Temperature control in 0.1 degree increments instead of 0.5
- Widget for quick app shortcuts
- Window detection automation for room-specific profiles
- Ability to control individual radiator valves independently
- Pool sensor integration
- External temperature sensor integration in graphs
- Czech and Slovak language translations
Kozii
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Netatmo Energy
No in-app purchases
Kozii
No in-app purchases
