# Smart Diffuser vs AromaPlan

The clearest difference is review sentiment: AromaPlan at 68% against Smart Diffuser's 25%. AromaPlan also leads on rating (3.3 vs 2.7) and ratings volume (597 vs 6). Smart Diffuser's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

AromaPlan holds the better App Store score, 3.3 against 2.7. That said, the two scores are not equally well evidenced: AromaPlan has 597 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 25% of Smart Diffuser's written reviews are positive against 68% of AromaPlan's.

Smart Diffuser ships an update every 6 weeks, AromaPlan every 9 days. The most recent releases landed on July 7, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | AromaPlan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (6 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews) | **[3.3 (597 ratings)](https://appshunter.io/ios/app/aromaplan/id6739508127/reviews)** |
| Number of ratings | 6 | **597** |
| Positive reviews | 25.0% of reviews | **67.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 42 MB | 49 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秦庚 蒋](https://appshunter.io/developer/1436462643) | [AromaPlan](https://appshunter.io/developer/1642947559) |

## What reviewers say

### Smart Diffuser

[App page](https://appshunter.io/ios/app/smart-diffuser/id1436466932)

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.

**Highlights:** Remote Wi-Fi control, Scent intensity adjustment, Oil level monitoring, User authorization, Device grouping, Employee account management

**In-app purchases:** none


### AromaPlan

[App page](https://appshunter.io/ios/app/aromaplan/id6739508127)

Control smart scent diffusers via Bluetooth to create custom aromatic experiences. Schedule scent diffusion, adjust intensity, and manage devices for a perfectly scented home.

**Highlights:** Bluetooth control, Easy scheduling, Device management, Scent intensity adjustment, Customizable intervals, Explore scents

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 User-friendly interface
- 💡 Customizable schedules
- 🌳 Enhances ambiance
- ⭐ Excellent product quality

**What reviewers complain about**

- 🐛 App crashes and freezes
- ⚠️ Connectivity issues
- 💸 Expensive replacement parts
- 🔌 Unreliable device performance

**Reported bugs**

- New app version not working
- Login and sign-up errors
- Bluetooth pairing problems

**Requested features**

- Extend pause time limit
- Add cloud sync and remote access
- Improve app stability and reliability


## Frequently asked questions

### Is Smart Diffuser free?

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

### Is AromaPlan free?

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

### Which has better reviews, Smart Diffuser or AromaPlan?

AromaPlan is rated higher. Smart Diffuser averages 2.7 out of 5 from 6 ratings, while AromaPlan averages 3.3 from 597 ratings.

### Do Smart Diffuser or AromaPlan have ads?

Neither Smart Diffuser nor AromaPlan shows ads.

### Which is updated more often, Smart Diffuser or AromaPlan?

Smart Diffuser ships an update every 6 weeks, and AromaPlan every 9 days. Most recently, Smart Diffuser was updated on July 7, 2026 and AromaPlan on September 23, 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.*