# Scent Master Pro vs ScentSys

The clearest difference is rating: Scent Master Pro at 5.0 against ScentSys's 1.0. Scent Master Pro also leads on iOS requirement (13.0 vs 15.0). ScentSys's advantage is update cadence (weekly vs fortnightly). 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 Master Pro holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Scent Master Pro ships an update fortnightly, ScentSys weekly. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Scent Master Pro | ScentSys |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/scent-master-pro/id6499073832/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 | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Size | 180 MB | 36 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [兵 姚](https://appshunter.io/developer/1546606210) | [秦庚 蒋](https://appshunter.io/developer/1436462643) |

## What reviewers say

### Scent Master Pro

[App page](https://appshunter.io/ios/app/scent-master-pro/id6499073832)

This intelligent fragrance management app allows real-time monitoring and remote control of connected devices. Users can customize working modes, set schedules, and track oil levels for a seamless experience.

**Highlights:** Remote device control, Custom working modes, Real-time oil level monitoring, Intelligent usage calibration, Device sharing management, Scheduled operation

**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 Scent Master Pro free?

Scent Master Pro 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 Master Pro or ScentSys?

Scent Master Pro is rated higher. Scent Master Pro averages 5.0 out of 5 from 2 ratings, while ScentSys averages 1.0 from 1 ratings.

### Do Scent Master Pro or ScentSys have ads?

Neither Scent Master Pro nor ScentSys shows ads.

### Which is updated more often, Scent Master Pro or ScentSys?

Scent Master Pro ships an update fortnightly, and ScentSys weekly. Most recently, Scent Master Pro was updated on October 3, 2026 and ScentSys on October 4, 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.*