# Scent System vs Diffuser

The clearest difference is update cadence: Scent System at every 2 weeks against Diffuser's every 2 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.

Scent System ships an update every 2 weeks, Diffuser every 2 months. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Scent System | Diffuser |
| --- | --- | --- |
| 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 2 months |
| Monetization | Free | — |
| Size | 25 MB | 35 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) | [Jiaxing Rongcheng Electronic Technology Co., Ltd](https://appshunter.io/developer/1433479396) |

## 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


### Diffuser

[App page](https://appshunter.io/ios/app/diffuser/id6462354691)

**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 Diffuser free?

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

### Do Scent System or Diffuser have ads?

Neither Scent System nor Diffuser shows ads.

### Which is updated more often, Scent System or Diffuser?

Scent System ships an update every 2 weeks, and Diffuser every 2 months. Most recently, Scent System was updated on September 30, 2026 and Diffuser on October 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.*