# iAroma vs Smart Diffuser

The clearest difference is iOS requirement: iAroma at 9.0 against Smart Diffuser's 15.0. 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.

iAroma ships an update every 4 months, Smart Diffuser every 5 months. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iAroma | Smart Diffuser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smart-diffuser/id6502768383/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 9.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 15 MB | 3 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [师松 梁](https://appshunter.io/developer/922518056) | [Shenzhen Shengmu Technology Co., Ltd.](https://appshunter.io/developer/1746717166) |

## What reviewers say

### iAroma

[App page](https://appshunter.io/ios/app/iaroma/id1435313983)

Control your aroma diffuser with ease. Select working modes, adjust lighting colors and brightness, and manage mist settings. Set misting schedules with the alarm clock feature and even play music through the app.

**Highlights:** Light control (color, brightness), Mist control (volume, mode, timer), Alarm clock for misting schedules, Music playback via app, Control all diffuser functions

**In-app purchases:** none


### Smart Diffuser

[App page](https://appshunter.io/ios/app/smart-diffuser/id6502768383)

Control your aroma diffuser remotely via Bluetooth. Adjust power, lighting, intensity, and set custom schedules. Reset your device directly from your phone.

**Highlights:** Bluetooth connectivity, Power control, Atmosphere light adjustment, Intensity settings, Schedule setup, Device reset

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iAroma free?

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

### Is Smart Diffuser free?

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

### Do iAroma or Smart Diffuser have ads?

Neither iAroma nor Smart Diffuser shows ads.

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

iAroma ships an update every 4 months, and Smart Diffuser every 5 months. Most recently, iAroma was updated on September 29, 2026 and Smart Diffuser on October 5, 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.*