# Smart Scent Pro vs Scent Diffuser Aroma

The clearest difference is update cadence: Scent Diffuser Aroma at every 3 weeks against Smart Scent Pro's every 2 months. Scent Diffuser Aroma also leads on iOS requirement (13.0 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.

Smart Scent Pro ships an update every 2 months, Scent Diffuser Aroma every 3 weeks. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Smart Scent Pro | Scent Diffuser Aroma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.6 (7 ratings)](https://appshunter.io/ios/app/scent-diffuser-aroma/id6476529181/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [永锦 罗](https://appshunter.io/developer/1444842458) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## What reviewers say

### Smart Scent Pro

[App page](https://appshunter.io/ios/app/smart-scent-pro/id1558962248)

**In-app purchases:** none


### Scent Diffuser Aroma

[App page](https://appshunter.io/ios/app/scent-diffuser-aroma/id6476529181)

Control smart home scent diffusers wirelessly. Scan and bind devices via LAN or Bluetooth, remotely manage switch and timing functions, and adjust working modes. Customize the app's theme and language for a personalized experience.

**Highlights:** Scan and bind smart home appliances, Remote device switch and timing, Control device working modes, Bluetooth device connection, Theme and language customization

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Scent Pro free?

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

### Is Scent Diffuser Aroma free?

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

### Do Smart Scent Pro or Scent Diffuser Aroma have ads?

Neither Smart Scent Pro nor Scent Diffuser Aroma shows ads.

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

Smart Scent Pro ships an update every 2 months, and Scent Diffuser Aroma every 3 weeks. Most recently, Smart Scent Pro was updated on September 29, 2026 and Scent Diffuser Aroma on October 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.*