# Netatmo Energy vs Kozii

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.

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.

## The numbers

| Metric | Netatmo Energy | Kozii |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (85 ratings)](https://appshunter.io/ios/app/netatmo-energy/id730893725/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/kozii/id1506176703/reviews) |
| Number of ratings | **85** | 3 |
| Positive reviews | **76.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 170 MB |
| Requires iOS | 17 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Legrand - Netatmo – Bticino](https://appshunter.io/developer/532538502) | [YANTEC](https://appshunter.io/developer/1506176702) |

## What reviewers say

### Netatmo Energy

[App page](https://appshunter.io/ios/app/netatmo-energy/id730893725)

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.

**Highlights:** Remote heating control, Room-by-room temperature adjustment, Energy consumption tracking, Customizable heating schedules, Auto-Adapt function, Open Window Detection, Manual Boost

**Features:** Apple Wallet

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 🌡️ Effective remote heating control from anywhere
- ⚡ Simple installation process
- 💰 Helps reduce energy bills and heating costs
- 🏠 Wireless thermostat placement flexibility

**What reviewers complain about**

- 🐛 Frequent connection loss and reconnection issues
- 🔄 Settings randomly reset or revert after updates
- ⚠️ Poor customer support responsiveness
- 🔋 Battery drains quickly on some devices
- 🌐 Server outages and service unavailability

**Reported bugs**

- 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

**Requested features**

- 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


### Kozii

[App page](https://appshunter.io/ios/app/kozii/id1506176703)

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.

**Highlights:** Control connected devices, Create custom atmospheres, Voice assistant compatibility, Remote access from anywhere, Optimize device usage, Secure device grip

**In-app purchases:** none


## Frequently asked questions

### Is Netatmo Energy free?

Netatmo Energy is free to download, with no in-app purchases.

### Is Kozii free?

Kozii is free to download, with no in-app purchases.

### Which has better reviews, Netatmo Energy or Kozii?

Netatmo Energy is rated higher. Netatmo Energy averages 4.5 out of 5 from 85 ratings, while Kozii averages 4.3 from 3 ratings.

### Do Netatmo Energy or Kozii have ads?

Neither Netatmo Energy nor Kozii shows ads.

### Which is updated more often, Netatmo Energy or Kozii?

Netatmo Energy ships an update every 3 months, and Kozii every 8 months. Most recently, Netatmo Energy was updated on November 7, 2026 and Kozii on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*