# keyes IoT home vs AirNotis

The clearest difference is update cadence: AirNotis at every 2 months against keyes IoT home's every 17 months. 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.

keyes IoT home ships an update every 17 months, AirNotis every 2 months. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | keyes IoT home | AirNotis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (5 ratings)](https://appshunter.io/ios/app/airnotis/id1668045716/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 6 MB | 39 MB |
| Requires iOS | 14.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [克俭 左](https://appshunter.io/developer/1449795321) | [BLUEFEEL Co., Ltd.](https://appshunter.io/developer/1668042748) |

## What reviewers say

### keyes IoT home

[App page](https://appshunter.io/ios/app/keyes-iot-home/id1632145752)

**Features:** macOS Compatibility

**In-app purchases:** none


### AirNotis

[App page](https://appshunter.io/ios/app/airnotis/id1668045716)

Monitor six types of air quality, including CO2, fine dust, and temperature, in real-time. This portable device and its exclusive app allow for easy connection to multiple smartphones and offer customizable notifications and settings for various environments.

**Highlights:** Real-time air quality monitoring, Measures CO2, CO, fine dust, ultrafine dust, TVOC, temp/humidity, Compact and portable for any location, Connect to multiple smartphones, Customizable notifications and settings, Supports multiple environmental standards

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is keyes IoT home free?

keyes IoT home is free to download, with no in-app purchases.

### Is AirNotis free?

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

### Do keyes IoT home or AirNotis have ads?

Neither keyes IoT home nor AirNotis shows ads.

### Which is updated more often, keyes IoT home or AirNotis?

keyes IoT home ships an update every 17 months, and AirNotis every 2 months. Most recently, keyes IoT home was updated on October 27, 2026 and AirNotis on October 20, 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.*