# Scent Diffuser vs ScentSys

The clearest difference is update cadence: ScentSys at weekly against Scent Diffuser's every 2 weeks. 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.

Scent Diffuser ships an update every 2 weeks, ScentSys weekly. The most recent releases landed on August 18, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Scent Diffuser | ScentSys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/scentsys/id6739991613/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 5 MB | 36 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Lenze Technology Co,.Ltd.](https://appshunter.io/developer/1190864538) | [秦庚 蒋](https://appshunter.io/developer/1436462643) |

## What reviewers say

### Scent Diffuser

[App page](https://appshunter.io/ios/app/scent-diffuser/id1578216698)

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

**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 Diffuser free?

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

### Is ScentSys free?

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

### Do Scent Diffuser or ScentSys have ads?

Neither Scent Diffuser nor ScentSys shows ads.

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

Scent Diffuser ships an update every 2 weeks, and ScentSys weekly. Most recently, Scent Diffuser was updated on August 18, 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.*