# Scent System vs Air Aroma

The clearest difference is iOS requirement: Air Aroma at 9.0 against Scent System's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scent System ships an update every 2 weeks, Air Aroma every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Scent System | Air Aroma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/scent-system/id1479815198/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 25 MB | 23 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) | [征 李](https://appshunter.io/developer/1616811712) |

## What reviewers say

### Scent System

[App page](https://appshunter.io/ios/app/scent-system/id1479815198)

Control your smart fragrance diffuser remotely. Schedule its operation, manage power-off modes, and register new users. This app also facilitates binding smart home appliances via LAN scanning.

**Highlights:** Remote fragrance machine control, Scheduling fragrance machine operation, Safe power-off mode control, Smart home appliance binding, User registration

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

**In-app purchases:** none


### Air Aroma

[App page](https://appshunter.io/ios/app/air-aroma/id1620102164)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scent System free?

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

### Is Air Aroma free?

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

### Do Scent System or Air Aroma have ads?

Neither Scent System nor Air Aroma shows ads.

### Which is updated more often, Scent System or Air Aroma?

Scent System ships an update every 2 weeks, and Air Aroma every 3 weeks. Most recently, Scent System was updated on October 24, 2026 and Air Aroma on October 30, 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.*