# Smart Diffuser vs Scent diffuse

The clearest difference is rating: Scent diffuse at 5.0 against Smart Diffuser's 2.7. Smart Diffuser's advantage is update cadence (every 6 weeks vs every 3 months) and ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Scent diffuse holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Smart Diffuser has 6 ratings behind it against 1, so its average is the more settled of the two.

Smart Diffuser ships an update every 6 weeks, Scent diffuse every 3 months. The most recent releases landed on July 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | Scent diffuse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (6 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scent-diffuse/id6469298101/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 42 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秦庚 蒋](https://appshunter.io/developer/1436462643) | [春荣 杨](https://appshunter.io/developer/1677484703) |

## What reviewers say

### Smart Diffuser

[App page](https://appshunter.io/ios/app/smart-diffuser/id1436466932)

Control your smart scent machine remotely via Wi-Fi. Adjust scent intensity, monitor oil levels, and manage multiple devices. Authorize other users and group machines for business use.

**Highlights:** Remote Wi-Fi control, Scent intensity adjustment, Oil level monitoring, User authorization, Device grouping, Employee account management

**In-app purchases:** none


### Scent diffuse

[App page](https://appshunter.io/ios/app/scent-diffuse/id6469298101)

Control your smart scent diffuser remotely via Bluetooth or network. Adjust settings and manage your device from your smartphone.

**Highlights:** Bluetooth control, Remote network control, Smart scent management, Intelligent control

**In-app purchases:** none


## Frequently asked questions

### Is Smart Diffuser free?

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

### Is Scent diffuse free?

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

### Which has better reviews, Smart Diffuser or Scent diffuse?

Scent diffuse is rated higher. Smart Diffuser averages 2.7 out of 5 from 6 ratings, while Scent diffuse averages 5.0 from 1 ratings.

### Do Smart Diffuser or Scent diffuse have ads?

Neither Smart Diffuser nor Scent diffuse shows ads.

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

Smart Diffuser ships an update every 6 weeks, and Scent diffuse every 3 months. Most recently, Smart Diffuser was updated on July 7, 2026 and Scent diffuse on September 23, 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.*