# Smart Diffuser vs SCENTLIFE

The clearest difference is rating: Smart Diffuser at 2.7 against SCENTLIFE's 1.9. SCENTLIFE's advantage is ratings volume (20 vs 6). On price, review sentiment, update cadence and ads there is nothing between them.

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

Smart Diffuser holds the better App Store score, 2.7 against 1.9. Both are backed by a comparable volume of ratings — 6 and 20 respectively. Written reviews point the same way: 25% of Smart Diffuser's written reviews are positive against 22% of SCENTLIFE's.

Smart Diffuser ships an update every 6 weeks, SCENTLIFE every 2 months. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | SCENTLIFE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews)** | [1.9 (20 ratings)](https://appshunter.io/ios/app/scentlife/id1636403654/reviews) |
| Number of ratings | 6 | **20** |
| Positive reviews | **25.0% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 42 MB | 35 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [秦庚 蒋](https://appshunter.io/developer/1436462643) | [金女 宋](https://appshunter.io/developer/1476366759) |

## 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


### SCENTLIFE

[App page](https://appshunter.io/ios/app/scentlife/id1636403654)

Control your scent machine remotely via 2.4G or Bluetooth. Adjust timers, scent intensity, and manage multiple devices. Features include power and light switches, fan control, and user authorization.

**Highlights:** Remote 2.4G and Bluetooth control, Adjustable timer for operation, Scent intensity adjustment, Automatic oil calculation, Machine naming and modification, User authorization for control, Group machine control

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Diffuser free?

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

### Is SCENTLIFE free?

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

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

Smart Diffuser is rated higher. Smart Diffuser averages 2.7 out of 5 from 6 ratings, while SCENTLIFE averages 1.9 from 20 ratings.

### Do Smart Diffuser or SCENTLIFE have ads?

Neither Smart Diffuser nor SCENTLIFE shows ads.

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

Smart Diffuser ships an update every 6 weeks, and SCENTLIFE every 2 months. Most recently, Smart Diffuser was updated on October 2, 2026 and SCENTLIFE 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.*