# Scent Tech vs IDIFFUSER

The clearest difference is rating: IDIFFUSER at 5.0 against Scent Tech's 2.2. Scent Tech's advantage is ratings volume (63 vs 1). 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.

IDIFFUSER holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: Scent Tech has 63 ratings behind it against 1, so its average is the more settled of the two.

Scent Tech ships an update every 6 weeks, IDIFFUSER every 3 weeks. The most recent releases landed on September 17, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | Scent Tech | IDIFFUSER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (63 ratings)](https://appshunter.io/ios/app/scent-tech/id1662466433/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idiffuser/id6475340846/reviews)** |
| Number of ratings | **63** | 1 |
| Positive reviews | 13.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 47 MB | 78 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [俊 谢](https://appshunter.io/developer/1440271932) | [Suzhou Ramon Aroma Technology Co., Ltd](https://appshunter.io/developer/1723987011) |

## 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


### IDIFFUSER

[App page](https://appshunter.io/ios/app/idiffuser/id6475340846)

Manage your space environment with this intelligent IoT platform. Remotely monitor, control, and interact with connected smart devices for a healthier and more quality life. Offers scene management and ultra-remote capabilities.

**Highlights:** Remote monitoring, Remote control, Equipment management, Interactive communication, Scene management, Ultra-remote capabilities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scent Tech free?

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

### Is IDIFFUSER free?

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

### Which has better reviews, Scent Tech or IDIFFUSER?

IDIFFUSER is rated higher. Scent Tech averages 2.2 out of 5 from 63 ratings, while IDIFFUSER averages 5.0 from 1 ratings.

### Do Scent Tech or IDIFFUSER have ads?

Neither Scent Tech nor IDIFFUSER shows ads.

### Which is updated more often, Scent Tech or IDIFFUSER?

Scent Tech ships an update every 6 weeks, and IDIFFUSER every 3 weeks. Most recently, Scent Tech was updated on September 17, 2026 and IDIFFUSER on July 8, 2026.

---

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