# Smart Diffuser vs AirEsscentials

The clearest difference is review sentiment: AirEsscentials at 80% against Smart Diffuser's 25%. AirEsscentials also leads on rating (4.2 vs 2.3) and iOS requirement (9.0 vs 12.0). Smart Diffuser's advantage is update cadence (every 6 weeks vs every 40 months). On price, ratings volume, 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.

AirEsscentials holds the better App Store score, 4.2 against 2.3. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 25% of Smart Diffuser's written reviews are positive against 80% of AirEsscentials's.

Smart Diffuser ships an update every 6 weeks, AirEsscentials every 40 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | AirEsscentials |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (8 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/airesscentials/id1493612052/reviews)** |
| Number of ratings | **8** | 5 |
| Positive reviews | 25.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 40 months |
| Monetization | Free | Free |
| Size | 42 MB | 5 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秦庚 蒋](https://appshunter.io/developer/1436462643) | [Air Esscentials Inc.](https://appshunter.io/developer/1493612051) |

## 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


### AirEsscentials

[App page](https://appshunter.io/ios/app/airesscentials/id1493612052)

Control your Bluetooth-enabled scent diffusers with ease. Adjust scent intensity, set operating hours, and manage multiple devices from your smartphone. Enjoy personalized aromatherapy with a simple touch.

**Highlights:** Turn diffusers on/off, Control scent intensity, Set working hours and days, Manage and name multiple diffusers, View basic device information, Change diffuser passwords

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Diffuser free?

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

### Is AirEsscentials free?

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

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

AirEsscentials is rated higher. Smart Diffuser averages 2.3 out of 5 from 8 ratings, while AirEsscentials averages 4.2 from 5 ratings.

### Do Smart Diffuser or AirEsscentials have ads?

Neither Smart Diffuser nor AirEsscentials shows ads.

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

Smart Diffuser ships an update every 6 weeks, and AirEsscentials every 40 months. Most recently, Smart Diffuser was updated on October 24, 2026 and AirEsscentials on October 12, 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.*