# Aroma IoT vs Scentist

The clearest difference is rating: Aroma IoT at 1.7 against Scentist's 1.5. Scentist's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Aroma IoT holds the better App Store score, 1.7 against 1.5. Both are backed by a comparable volume of ratings — 21 and 11 respectively. Written reviews complicate that: 18% of Aroma IoT's written reviews are positive against 20% of Scentist's, so the app with the better star average is not the one people write more warmly about.

Aroma IoT ships an update every 2 months, Scentist every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Aroma IoT | Scentist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (21 ratings)](https://appshunter.io/ios/app/aroma-iot/id1479180534/reviews)** | [1.5 (11 ratings)](https://appshunter.io/ios/app/scentist/id6443780450/reviews) |
| Number of ratings | **21** | 11 |
| Positive reviews | 18.2% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 27 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建美 王](https://appshunter.io/developer/1479180533) | [志涛 侯](https://appshunter.io/developer/1739246959) |

## What reviewers say

### Aroma IoT

[App page](https://appshunter.io/ios/app/aroma-iot/id1479180534)

Control smart fragrance devices remotely via WiFi or mobile network. Manage device settings, view maintenance history, and group devices for efficient management. Offers authorization and employee management features.

**Highlights:** Remote device control, Network configuration, Maintenance records, Group management, Authorization management, Employee management, Intelligent search and sorting

**In-app purchases:** none


### Scentist

[App page](https://appshunter.io/ios/app/scentist/id6443780450)

Control your intelligent scent machine with this app. Set working times, fragrance concentration, and schedule auto on/off functions. You can also restore factory settings and access device instructions.

**Highlights:** Set working time and date, Adjust fragrance concentration, Auto on and off scheduling, Restore factory settings, View device instructions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Aroma IoT free?

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

### Is Scentist free?

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

### Which has better reviews, Aroma IoT or Scentist?

Aroma IoT is rated higher. Aroma IoT averages 1.7 out of 5 from 21 ratings, while Scentist averages 1.5 from 11 ratings.

### Do Aroma IoT or Scentist have ads?

Neither Aroma IoT nor Scentist shows ads.

### Which is updated more often, Aroma IoT or Scentist?

Aroma IoT ships an update every 2 months, and Scentist every 3 months. Most recently, Aroma IoT was updated on November 3, 2026 and Scentist on November 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.*