# Scent Diffuser vs Aroma Master

The clearest difference is update cadence: Scent Diffuser at every 2 weeks against Aroma Master's every 5 weeks. Aroma Master's advantage is iOS requirement (9.0 vs 15.0). 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.

Scent Diffuser ships an update every 2 weeks, Aroma Master every 5 weeks. The most recent releases landed on August 18, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Scent Diffuser | Aroma Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 5 MB | 22 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## What reviewers say

### Scent Diffuser

[App page](https://appshunter.io/ios/app/scent-diffuser/id1578216698)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Aroma Master

[App page](https://appshunter.io/ios/app/aroma-master/id6478521550)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scent Diffuser free?

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

### Is Aroma Master free?

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

### Do Scent Diffuser or Aroma Master have ads?

Neither Scent Diffuser nor Aroma Master shows ads.

### Which is updated more often, Scent Diffuser or Aroma Master?

Scent Diffuser ships an update every 2 weeks, and Aroma Master every 5 weeks. Most recently, Scent Diffuser was updated on August 18, 2026 and Aroma Master on September 15, 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.*