# SMART_AROMA vs ScentSys

The clearest difference is rating: SMART_AROMA at 3.0 against ScentSys's 1.0. SMART_AROMA also leads on iOS requirement (11.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

SMART_AROMA holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

SMART_AROMA ships an update every 8 days, ScentSys weekly. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SMART_AROMA | ScentSys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/smart-aroma/id1627724129/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/scentsys/id6739991613/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Free | Free |
| Size | 32 MB | 36 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [萍萍 刘](https://appshunter.io/developer/1626043006) | [秦庚 蒋](https://appshunter.io/developer/1436462643) |

## What reviewers say

### SMART_AROMA

[App page](https://appshunter.io/ios/app/smart-aroma/id1627724129)

Manage your smart fragrance device remotely using your smartphone. Adjust fan speed, set fragrance intensity, and customize device settings without needing an internet connection.

**Highlights:** Device search and add, Rename and remark devices, Adjust fan wind/power, Set fragrance density, Password protection

**Features:** macOS Compatibility

**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 SMART_AROMA free?

SMART_AROMA 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, SMART_AROMA or ScentSys?

SMART_AROMA is rated higher. SMART_AROMA averages 3.0 out of 5 from 2 ratings, while ScentSys averages 1.0 from 1 ratings.

### Do SMART_AROMA or ScentSys have ads?

Neither SMART_AROMA nor ScentSys shows ads.

### Which is updated more often, SMART_AROMA or ScentSys?

SMART_AROMA ships an update every 8 days, and ScentSys weekly. Most recently, SMART_AROMA was updated on October 17, 2026 and ScentSys on October 21, 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.*