# UniverScent vs Smart Diffuser

The clearest difference is update cadence: Smart Diffuser at every 5 months against UniverScent's every 21 months. On price, ads, in-app purchases and device support there is nothing between them.

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

UniverScent ships an update every 21 months, Smart Diffuser every 5 months. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | UniverScent | Smart Diffuser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/smart-diffuser/id6502768383/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 2 MB | 3 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [NEGOCE CONCEPT INTERNATIONAL](https://appshunter.io/developer/1733698002) | [Shenzhen Shengmu Technology Co., Ltd.](https://appshunter.io/developer/1746717166) |

## What reviewers say

### UniverScent

[App page](https://appshunter.io/ios/app/universcent/id1613199672)

**Features:** macOS Compatibility

**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 UniverScent free?

UniverScent 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 UniverScent or Smart Diffuser have ads?

Neither UniverScent nor Smart Diffuser shows ads.

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

UniverScent ships an update every 21 months, and Smart Diffuser every 5 months. Most recently, UniverScent was updated on October 7, 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.*