# Smart Diffuser vs AromaPlus

The clearest difference is rating: Smart Diffuser at 2.7 against AromaPlus's 2.3. AromaPlus's advantage is ratings volume (45 vs 6) and iOS requirement (9.0 vs 12.0). On price, review sentiment, 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 2.3. That said, the two scores are not equally well evidenced: AromaPlus has 45 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 25% of Smart Diffuser's written reviews are positive against 18% of AromaPlus's.

Smart Diffuser ships an update every 6 weeks, AromaPlus every 2 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | AromaPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews)** | [2.3 (45 ratings)](https://appshunter.io/ios/app/aromaplus/id1642947557/reviews) |
| Number of ratings | 6 | **45** |
| Positive reviews | **25.0% of reviews** | 17.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 42 MB | 28 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) | [AromaPlan](https://appshunter.io/developer/1642947559) |

## 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


### AromaPlus

[App page](https://appshunter.io/ios/app/aromaplus/id1642947557)

Control your smart scent diffusers remotely via Bluetooth. Program working periods, intervals, and fragrance intensity for a personalized aromatic environment. Enjoy ultimate control over your scent experiences.

**Highlights:** Bluetooth control, Program working periods, Set fragrance intervals, Adjust scent intensity, 24/7 scheduling

**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 AromaPlus free?

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

### Which has better reviews, Smart Diffuser or AromaPlus?

Smart Diffuser is rated higher. Smart Diffuser averages 2.7 out of 5 from 6 ratings, while AromaPlus averages 2.3 from 45 ratings.

### Do Smart Diffuser or AromaPlus have ads?

Neither Smart Diffuser nor AromaPlus shows ads.

### Which is updated more often, Smart Diffuser or AromaPlus?

Smart Diffuser ships an update every 6 weeks, and AromaPlus every 2 months. Most recently, Smart Diffuser was updated on October 2, 2026 and AromaPlus on October 1, 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.*