# Scent Tech vs Mi Yang

The clearest difference is rating: Scent Tech at 2.2 against Mi Yang's 1.3. Scent Tech also leads on ratings volume (63 vs 3) and review sentiment (14% vs 0%). Mi Yang's advantage is iOS requirement (11.0 vs 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.

Scent Tech holds the better App Store score, 2.2 against 1.3. That said, the two scores are not equally well evidenced: Scent Tech has 63 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 14% of Scent Tech's written reviews are positive against 0% of Mi Yang's.

Scent Tech ships an update every 6 weeks, Mi Yang every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Scent Tech | Mi Yang |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (63 ratings)](https://appshunter.io/ios/app/scent-tech/id1662466433/reviews)** | [1.3 (3 ratings)](https://appshunter.io/ios/app/mi-yang/id6480163931/reviews) |
| Number of ratings | **63** | 3 |
| Positive reviews | **13.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 47 MB | 18 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [俊 谢](https://appshunter.io/developer/1440271932) | [Zhuhai Rongyuan Electronic Technology Co.,ltd](https://appshunter.io/developer/1686521915) |

## What reviewers say

### Scent Tech

[App page](https://appshunter.io/ios/app/scent-tech/id1662466433)

Control your scent machine remotely with this app. It offers automatic mode selection for various scenarios and allows for batch management of devices through customizable groups.

**Highlights:** Scent machine control, Automatic mode selection, Device grouping, Batch management, Customizable group names

**In-app purchases:** none


### Mi Yang

[App page](https://appshunter.io/ios/app/mi-yang/id6480163931)

Control your fragrance diffuser remotely. Adjust nozzle settings, customize scent concentration, manage device backlights, and select various modes for a personalized aroma experience.

**Highlights:** Adjust left and right nozzle switches, Modify device name, Adjust fragrance concentration, Turn device backlight on/off, Choose custom modes

**In-app purchases:** none


## Frequently asked questions

### Is Scent Tech free?

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

### Is Mi Yang free?

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

### Which has better reviews, Scent Tech or Mi Yang?

Scent Tech is rated higher. Scent Tech averages 2.2 out of 5 from 63 ratings, while Mi Yang averages 1.3 from 3 ratings.

### Do Scent Tech or Mi Yang have ads?

Neither Scent Tech nor Mi Yang shows ads.

### Which is updated more often, Scent Tech or Mi Yang?

Scent Tech ships an update every 6 weeks, and Mi Yang every 3 weeks. Most recently, Scent Tech was updated on October 14, 2026 and Mi Yang on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*