# Smart Diffuser vs ScentedVents

The clearest difference is rating: Smart Diffuser at 2.7 against ScentedVents's 2.0. Smart Diffuser also leads on update cadence (every 6 weeks vs every 9 months) and review sentiment (25% vs 0%). 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.

Smart Diffuser holds the better App Store score, 2.7 against 2.0. Both are backed by a comparable volume of ratings — 6 and 9 respectively. Written reviews point the same way: 25% of Smart Diffuser's written reviews are positive against 0% of ScentedVents's.

Smart Diffuser ships an update every 6 weeks, ScentedVents every 9 months. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Smart Diffuser | ScentedVents |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (6 ratings)](https://appshunter.io/ios/app/smart-diffuser/id1436466932/reviews)** | [2.0 (9 ratings)](https://appshunter.io/ios/app/scentedvents/id1459593439/reviews) |
| Number of ratings | 6 | **9** |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Free | Free |
| Size | 42 MB | 23 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [秦庚 蒋](https://appshunter.io/developer/1436462643) | [Scented Vents LLC](https://appshunter.io/developer/1459593438) |

## 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


### ScentedVents

[App page](https://appshunter.io/ios/app/scentedvents/id1459593439)

Control your ScentedVents diffuser's intensity and timer settings remotely. Manage your home's fragrance experience with this dedicated mobile application.

**Highlights:** Control intensity levels, Set timer settings, Manage fragrance diffusion, Remote diffuser control

**In-app purchases:** none


## Frequently asked questions

### Is Smart Diffuser free?

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

### Is ScentedVents free?

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

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

Smart Diffuser is rated higher. Smart Diffuser averages 2.7 out of 5 from 6 ratings, while ScentedVents averages 2.0 from 9 ratings.

### Do Smart Diffuser or ScentedVents have ads?

Neither Smart Diffuser nor ScentedVents shows ads.

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

Smart Diffuser ships an update every 6 weeks, and ScentedVents every 9 months. Most recently, Smart Diffuser was updated on October 2, 2026 and ScentedVents on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*