Smart Diffuser vs Scent Machine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Diffuser
Control your smart scent machine remotely via Wi-Fi. Adjust scent intensity, monitor oil levels, and manage multiple devices. Authorize other users and group machines for business use.
- Remote Wi-Fi control
- Scent intensity adjustment
- Oil level monitoring
- User authorization
- Device grouping
- Employee account management
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Smart scent machine app is to control the scent machine remotely Main function as below; 1. SMARTCONFIG: To match your scent machine to your wifi and control by the smartphone. 2. Do settings and ambient scent intensity control remotely. 3. Oil Monitor: Can monitor the oil level of the scent machine. 4. Authorization: To authorize the person that need to do setting. 5. Group function: Can group your customer's machine. 6.Employee account function：Resolve equipment ownership issues between agents and employees . 7.Update the prompt function：APP has a new version that will prompt the update.
Scent Machine
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Scent Machine is a tool based free app that controls external devices to perform tasks through wireless connection queries. We communicate with external devices through Bluetooth connections or WiFi networks. We can use Bluetooth connection to check the operation status of external devices. Remote technology can be used to send real-time instructions to adjust the working status of external devices. Remote operation can also be achieved by scanning and binding through WiFi. Scent Machine allows you to access and operate external devices for work anytime, anywhere.
Screenshots
Verdict
The clearest difference is update cadence: Smart Diffuser at every 6 weeks against Scent Machine's every 5 months. Scent Machine's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support 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.
Smart Diffuser ships an update every 6 weeks, Scent Machine every 5 months. The most recent releases landed on July 7, 2026 and June 5, 2026 respectively.
| Parameter | Smart Diffuser | Scent Machine |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (6 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 6 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | 秦庚 蒋 | Guangzhou Lanmei Computer Technology Co., Ltd. |
In-app purchases
Smart Diffuser
No in-app purchases
Scent Machine
No in-app purchases
Questions
Is Smart Diffuser free?
Is Scent Machine free?
Do Smart Diffuser or Scent Machine have ads?
Which is updated more often, Smart Diffuser or Scent Machine?
Other comparisons
