# Scent System vs AF Aroma

The clearest difference is rating: AF Aroma at 2.3 against Scent System's 1.0. AF Aroma also leads on ratings volume (6 vs 1). Scent System's advantage is update cadence (every 2 weeks vs every 9 months) and iOS requirement (9.0 vs 11.0). 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.

AF Aroma holds the better App Store score, 2.3 against 1.0. That said, the two scores are not equally well evidenced: AF Aroma has 6 ratings behind it against 1, so its average is the more settled of the two.

Scent System ships an update every 2 weeks, AF Aroma every 9 months. The most recent releases landed on September 11, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Scent System | AF Aroma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/scent-system/id1479815198/reviews) | **[2.3 (6 ratings)](https://appshunter.io/ios/app/af-aroma/id6448817246/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Monetization | Free | Free |
| Size | 25 MB | 17 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) | [Zhuhai Rongyuan Electronic Technology Co.,ltd](https://appshunter.io/developer/1686521915) |

## What reviewers say

### Scent System

[App page](https://appshunter.io/ios/app/scent-system/id1479815198)

Control your smart fragrance diffuser remotely. Schedule its operation, manage power-off modes, and register new users. This app also facilitates binding smart home appliances via LAN scanning.

**Highlights:** Remote fragrance machine control, Scheduling fragrance machine operation, Safe power-off mode control, Smart home appliance binding, User registration

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

**In-app purchases:** none


### AF Aroma

[App page](https://appshunter.io/ios/app/af-aroma/id6448817246)

Control your aroma diffuser's fan speed, power, and settings via Bluetooth. Customize modes and manage device details like name and password for a personalized scent experience.

**Highlights:** BLE fan control, Adjust fan speed, Lock/unlock device, Switch on/off, Modify device name, Set device password, Customizable modes

**In-app purchases:** none


## Frequently asked questions

### Is Scent System free?

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

### Is AF Aroma free?

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

### Which has better reviews, Scent System or AF Aroma?

AF Aroma is rated higher. Scent System averages 1.0 out of 5 from 1 ratings, while AF Aroma averages 2.3 from 6 ratings.

### Do Scent System or AF Aroma have ads?

Neither Scent System nor AF Aroma shows ads.

### Which is updated more often, Scent System or AF Aroma?

Scent System ships an update every 2 weeks, and AF Aroma every 9 months. Most recently, Scent System was updated on September 11, 2026 and AF Aroma on September 16, 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.*