# Smart Diffuser vs Aroma Designers

The clearest difference is rating: Smart Diffuser at 2.3 against Aroma Designers's 1.0. Smart Diffuser also leads on review sentiment (25% vs 0%) and ratings volume (8 vs 2). Aroma Designers's advantage is update cadence (weekly vs every 6 weeks) and iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and monetization model 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, 2.3 against 1.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 25% of Smart Diffuser's written reviews are positive against 0% of Aroma Designers's.

Smart Diffuser ships an update every 6 weeks, Aroma Designers weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | Aroma Designers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (8 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/aroma-designers/id6446596650/reviews) |
| Number of ratings | **8** | 2 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 42 MB | 26 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) | [Zaharina Novakova](https://appshunter.io/developer/1678327769) |

## 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


### Aroma Designers

[App page](https://appshunter.io/ios/app/aroma-designers/id6446596650)

Control smart scent diffusers via Bluetooth from your smartphone. Program working periods, intervals, and fragrance intensity for a personalized scent experience.

**Highlights:** Bluetooth control, Programmable working periods, Adjustable intervals, Customizable fragrance 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 Aroma Designers free?

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

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

Smart Diffuser is rated higher. Smart Diffuser averages 2.3 out of 5 from 8 ratings, while Aroma Designers averages 1.0 from 2 ratings.

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

Neither Smart Diffuser nor Aroma Designers shows ads.

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

Smart Diffuser ships an update every 6 weeks, and Aroma Designers weekly. Most recently, Smart Diffuser was updated on November 2, 2026 and Aroma Designers on November 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.*