# Smart Diffuser vs Scent Diffuser Aroma

The clearest difference is rating: Smart Diffuser at 2.7 against Scent Diffuser Aroma's 1.7. Scent Diffuser Aroma's advantage is review sentiment (33% vs 25%) and iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Smart Diffuser holds the better App Store score, 2.7 against 1.7. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews complicate that: 25% of Smart Diffuser's written reviews are positive against 33% of Scent Diffuser Aroma's, so the app with the better star average is not the one people write more warmly about.

Smart Diffuser ships an update every 6 weeks, Scent Diffuser Aroma every 3 weeks. The most recent releases landed on July 7, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | Scent Diffuser Aroma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews)** | [1.7 (6 ratings)](https://appshunter.io/ios/app/scent-diffuser-aroma/id6476529181/reviews) |
| Number of ratings | 6 | 6 |
| Positive reviews | 25.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 42 MB | 23 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秦庚 蒋](https://appshunter.io/developer/1436462643) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## 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


### Scent Diffuser Aroma

[App page](https://appshunter.io/ios/app/scent-diffuser-aroma/id6476529181)

Control smart home scent diffusers wirelessly. Scan and bind devices via LAN or Bluetooth, remotely manage switch and timing functions, and adjust working modes. Customize the app's theme and language for a personalized experience.

**Highlights:** Scan and bind smart home appliances, Remote device switch and timing, Control device working modes, Bluetooth device connection, Theme and language customization

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Diffuser free?

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

### Is Scent Diffuser Aroma free?

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

### Which has better reviews, Smart Diffuser or Scent Diffuser Aroma?

Smart Diffuser is rated higher. Smart Diffuser averages 2.7 out of 5 from 6 ratings, while Scent Diffuser Aroma averages 1.7 from 6 ratings.

### Do Smart Diffuser or Scent Diffuser Aroma have ads?

Neither Smart Diffuser nor Scent Diffuser Aroma shows ads.

### Which is updated more often, Smart Diffuser or Scent Diffuser Aroma?

Smart Diffuser ships an update every 6 weeks, and Scent Diffuser Aroma every 3 weeks. Most recently, Smart Diffuser was updated on July 7, 2026 and Scent Diffuser Aroma on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*