# AirDeep vs ScentDiary

The clearest difference is ads: AirDeep at none against ScentDiary's shown. AirDeep also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, 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.

AirDeep ships an update every 3 weeks, ScentDiary every 2 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | AirDeep | ScentDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/airdeep-ai-ac-controller/id6448934410/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 58 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Airdeep Co.,Ltd.](https://appshunter.io/developer/1687023763) | [Street567](https://appshunter.io/developer/1513781813) |

## What reviewers say

### AirDeep

[App page](https://appshunter.io/ios/app/airdeep-ai-ac-controller/id6448934410)

Monitor and control your home's air quality with AI-powered insights. This app uses advanced sensors to detect pollutants and manage connected devices like air conditioners and purifiers for a healthier and more energy-efficient environment.

**Highlights:** Real-time air quality measurement, Remote control of AC, purifiers, ventilation, AI energy-saving modes, Abnormal air quality alerts, Product registration and network connection, Peripheral device management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ScentDiary

[App page](https://appshunter.io/ios/app/scentdiary/id6760708811)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AirDeep free?

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

### Is ScentDiary free?

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

### Do AirDeep or ScentDiary have ads?

ScentDiary shows ads; AirDeep does not.

### Which is updated more often, AirDeep or ScentDiary?

AirDeep ships an update every 3 weeks, and ScentDiary every 2 weeks. Most recently, AirDeep was updated on October 16, 2026 and ScentDiary on October 7, 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.*