# Scent diffuse vs ScentSys

The clearest difference is rating: Scent diffuse at 5.0 against ScentSys's 1.0. ScentSys's advantage is update cadence (weekly vs every 3 months). On price, ratings volume, 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 diffuse holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Scent diffuse ships an update every 3 months, ScentSys weekly. The most recent releases landed on September 23, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Scent diffuse | ScentSys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scent-diffuse/id6469298101/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/scentsys/id6739991613/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 22 MB | 36 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [春荣 杨](https://appshunter.io/developer/1677484703) | [秦庚 蒋](https://appshunter.io/developer/1436462643) |

## What reviewers say

### 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


### ScentSys

[App page](https://appshunter.io/ios/app/scentsys/id6739991613)

Control and monitor your aroma diffuser remotely. Receive fault alerts, manage multiple users with device authorization, and set custom operating times and device groups for one-click operations.

**Highlights:** Remote operation, Status monitoring, Fault alerts, Multi-user management, Custom operation times, Device group creation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scent diffuse free?

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

### Is ScentSys free?

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

### Which has better reviews, Scent diffuse or ScentSys?

Scent diffuse is rated higher. Scent diffuse averages 5.0 out of 5 from 1 ratings, while ScentSys averages 1.0 from 1 ratings.

### Do Scent diffuse or ScentSys have ads?

Neither Scent diffuse nor ScentSys shows ads.

### Which is updated more often, Scent diffuse or ScentSys?

Scent diffuse ships an update every 3 months, and ScentSys weekly. Most recently, Scent diffuse was updated on September 23, 2026 and ScentSys on September 3, 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.*