# Smart Diffuser vs AROMA 24/7

The clearest difference is rating: Smart Diffuser at 2.7 against AROMA 24/7's 1.2. Smart Diffuser also leads on update cadence (every 6 weeks vs every 15 months) and review sentiment (25% vs 9%). AROMA 24/7's advantage is ratings volume (24 vs 6). 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, 2.7 against 1.2. Both are backed by a comparable volume of ratings — 6 and 24 respectively. Written reviews point the same way: 25% of Smart Diffuser's written reviews are positive against 9% of AROMA 24/7's.

Smart Diffuser ships an update every 6 weeks, AROMA 24/7 every 15 months. The most recent releases landed on October 2, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | AROMA 24/7 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews)** | [1.2 (24 ratings)](https://appshunter.io/ios/app/aroma-247/id1574629835/reviews) |
| Number of ratings | 6 | **24** |
| Positive reviews | **25.0% of reviews** | 9.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Monetization | Free | Free |
| Size | 42 MB | 5 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秦庚 蒋](https://appshunter.io/developer/1436462643) | [AROMA AMBIANCE PERFUMES L.L.C](https://appshunter.io/developer/1574630077) |

## 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 24/7

[App page](https://appshunter.io/ios/app/aroma-247/id1574629835)

Control your smart scent diffusers with this app. Set schedules, adjust intensity, and manage your devices remotely. Connect easily via Bluetooth for a personalized aroma experience.

**Highlights:** Connect smart scent diffusers, Set device work schedule, Adjust diffuser intensity, Identify and scan for devices, Customize device names, Change default password

**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 24/7 free?

AROMA 24/7 is free to download, with no in-app purchases.

### Which has better reviews, Smart Diffuser or AROMA 24/7?

Smart Diffuser is rated higher. Smart Diffuser averages 2.7 out of 5 from 6 ratings, while AROMA 24/7 averages 1.2 from 24 ratings.

### Do Smart Diffuser or AROMA 24/7 have ads?

Neither Smart Diffuser nor AROMA 24/7 shows ads.

### Which is updated more often, Smart Diffuser or AROMA 24/7?

Smart Diffuser ships an update every 6 weeks, and AROMA 24/7 every 15 months. Most recently, Smart Diffuser was updated on October 2, 2026 and AROMA 24/7 on June 4, 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.*