# Scent Tech vs Aroma Messager

The clearest difference is rating: Scent Tech at 2.2 against Aroma Messager's 1.4. Scent Tech also leads on review sentiment (14% vs 0%) and ratings volume (63 vs 14). Aroma Messager's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, 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 Tech holds the better App Store score, 2.2 against 1.4. Both are backed by a comparable volume of ratings — 63 and 14 respectively. Written reviews point the same way: 14% of Scent Tech's written reviews are positive against 0% of Aroma Messager's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Scent Tech | Aroma Messager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (63 ratings)](https://appshunter.io/ios/app/scent-tech/id1662466433/reviews)** | [1.4 (14 ratings)](https://appshunter.io/ios/app/aroma-messager/id6446392365/reviews) |
| Number of ratings | **63** | 14 |
| Positive reviews | **13.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | Free |
| Size | 47 MB | 61 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [俊 谢](https://appshunter.io/developer/1440271932) | [Gizwits IoT Technology Co., Ltd.](https://appshunter.io/developer/1468450527) |

## What reviewers say

### Scent Tech

[App page](https://appshunter.io/ios/app/scent-tech/id1662466433)

Control your scent machine remotely with this app. It offers automatic mode selection for various scenarios and allows for batch management of devices through customizable groups.

**Highlights:** Scent machine control, Automatic mode selection, Device grouping, Batch management, Customizable group names

**In-app purchases:** none


### Aroma Messager

[App page](https://appshunter.io/ios/app/aroma-messager/id6446392365)

This app allows users to send and receive messages. It is designed for communication between individuals. The application is free to download and use.

**Highlights:** Messaging, Communication, Free to use, iPhone and iPod support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scent Tech free?

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

### Is Aroma Messager free?

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

### Which has better reviews, Scent Tech or Aroma Messager?

Scent Tech is rated higher. Scent Tech averages 2.2 out of 5 from 63 ratings, while Aroma Messager averages 1.4 from 14 ratings.

### Do Scent Tech or Aroma Messager have ads?

Neither Scent Tech nor Aroma Messager shows ads.

### Which is updated more often, Scent Tech or Aroma Messager?

Scent Tech ships an update every 6 weeks, and Aroma Messager every 6 weeks. Most recently, Scent Tech was updated on September 17, 2026 and Aroma Messager on September 9, 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.*