# Smart Diffuser vs Perfuming Room

The clearest difference is rating: Perfuming Room at 4.0 against Smart Diffuser's 2.3. Perfuming Room also leads on iOS requirement (10.0 vs 12.0). Smart Diffuser's advantage is ratings volume (8 vs 1). 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.

Perfuming Room holds the better App Store score, 4.0 against 2.3. That said, the two scores are not equally well evidenced: Smart Diffuser has 8 ratings behind it against 1, so its average is the more settled of the two.

Smart Diffuser ships an update every 6 weeks, Perfuming Room every 2 months. The most recent releases landed on October 29, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | Perfuming Room |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (8 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/perfuming-room/id1555995646/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 42 MB | 7 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秦庚 蒋](https://appshunter.io/developer/1436462643) | [Shenzhen Youyou Industrial Group Co. , Ltd.](https://appshunter.io/developer/1555995648) |

## What reviewers say

### Smart Diffuser

[App page](https://appshunter.io/ios/app/smart-diffuser/id1436466932)

Control your smart scent machine remotely via Wi-Fi. Adjust scent intensity, monitor oil levels, and manage multiple devices. Authorize other users and group machines for business use.

**Highlights:** Remote Wi-Fi control, Scent intensity adjustment, Oil level monitoring, User authorization, Device grouping, Employee account management

**In-app purchases:** none


### Perfuming Room

[App page](https://appshunter.io/ios/app/perfuming-room/id1555995646)

This app allows users to control and schedule their aromatherapy diffusers. It simplifies device management for multiple units, enabling easy setup and operation for a personalized scent experience.

**Highlights:** Device grouping for multiple units, Easy device search and connection, RSSI value for proximity indication, Device binding and connection management, Machine number and group categorization, Customizable scheduling for device operation, Remote device activation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Diffuser free?

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

### Is Perfuming Room free?

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

### Which has better reviews, Smart Diffuser or Perfuming Room?

Perfuming Room is rated higher. Smart Diffuser averages 2.3 out of 5 from 8 ratings, while Perfuming Room averages 4.0 from 1 ratings.

### Do Smart Diffuser or Perfuming Room have ads?

Neither Smart Diffuser nor Perfuming Room shows ads.

### Which is updated more often, Smart Diffuser or Perfuming Room?

Smart Diffuser ships an update every 6 weeks, and Perfuming Room every 2 months. Most recently, Smart Diffuser was updated on October 29, 2026 and Perfuming Room on October 13, 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.*