Scent Tech vs AF Aroma
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scent Tech
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.
- Scent machine control
- Automatic mode selection
- Device grouping
- Batch management
- Customizable group names
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The Scent Tech APP is a scent machine control application, compatible with various connectivity modes，suitable for a variety of scent machine. Compatible with various types of scent machine, automatic selection of the corresponding setting mode, suitable for a variety of scenarios. With the device group function, users can customize group names. Devices can be moved to corresponding groups for batch management. You can set related data for the same group of devices in batches.
AF Aroma
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.
- BLE fan control
- Adjust fan speed
- Lock/unlock device
- Switch on/off
- Modify device name
- Set device password
- Customizable modes
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This is an aroma expander app that controls the fan type through BLE. You can adjust the fan speed, lock the device, switch on/off, modify the device name and password through the app, and have multiple custom modes to choose from
Screenshots
Verdict
The clearest difference is update cadence: Scent Tech at every 6 weeks against AF Aroma's every 9 months. Scent Tech also leads on review sentiment (14% vs 0%) and ratings volume (63 vs 6). AF Aroma's advantage is iOS requirement (11.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 2.2 for Scent Tech against 2.3 for AF Aroma. That said, the two scores are not equally well evidenced: Scent Tech has 63 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 14% of Scent Tech's written reviews are positive against 0% of AF Aroma's.
Scent Tech ships an update every 6 weeks, AF Aroma every 9 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.
| Parameter | Scent Tech | AF Aroma |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (63 ratings) | 2.3 (6 ratings) — better |
| Positive reviews | 13.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 63 — better | 6 |
| Update frequency | Every 6 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊 谢 | Zhuhai Rongyuan Electronic Technology Co.,ltd |
Customer experience
Scent Tech
AF Aroma
In-app purchases
Scent Tech
No in-app purchases
AF Aroma
No in-app purchases
