Smart Diffuser vs Smart Scent Pro
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.
Smart Scent Pro
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The Smart Scent Pro can be connected to the scent machine to realize remote control and management. 1. Remote control, complete equipment parameter setting and information acquisition anytime and anywhere 2. Multiple devices can be added at the same time, secondary group management, easy control of all smart scent devices 3. Flexible setting of up to 12 sets of timing tasks and stepless concentration adjustment 4. One-click or batch authorization to share equipment, so that employees or customers can also realize equipment management 5. With low liquid volume alarm function, real-time viewing of equipment liquid volume status 6. Supports Bluetooth, WIFI and base station network equipment at the same time
Screenshots
Verdict
The clearest difference is iOS requirement: Smart Diffuser at 12.0 against Smart Scent Pro's 15.0. On price, update cadence, 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.
Smart Diffuser ships an update every 6 weeks, Smart Scent Pro every 2 months. The most recent releases landed on July 7, 2026 and September 10, 2026 respectively.
| Parameter | Smart Diffuser | Smart Scent Pro |
|---|---|---|
| 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 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 42 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | 秦庚 蒋 | 永锦 罗 |
In-app purchases
Smart Diffuser
No in-app purchases
Smart Scent Pro
No in-app purchases
Questions
Is Smart Diffuser free?
Is Smart Scent Pro free?
Do Smart Diffuser or Smart Scent Pro have ads?
Which is updated more often, Smart Diffuser or Smart Scent Pro?
Other comparisons
