# Smart Scent Air vs Scent diffuse

The clearest difference is iOS requirement: Smart Scent Air at 12.0 against Scent diffuse's 15.0. On price, update cadence, 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 Scent Air ships an update every 2 months, Scent diffuse every 3 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Smart Scent Air | Scent diffuse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scent-diffuse/id6469298101/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 37 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [易客创新(泉州)智能科技有限公司](https://appshunter.io/developer/1683294855) | [春荣 杨](https://appshunter.io/developer/1677484703) |

## What reviewers say

### Smart Scent Air

[App page](https://appshunter.io/ios/app/smart-scent-air/id1668710074)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scent diffuse

[App page](https://appshunter.io/ios/app/scent-diffuse/id6469298101)

Control your smart scent diffuser remotely via Bluetooth or network. Adjust settings and manage your device from your smartphone.

**Highlights:** Bluetooth control, Remote network control, Smart scent management, Intelligent control

**In-app purchases:** none


## Frequently asked questions

### Is Smart Scent Air free?

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

### Is Scent diffuse free?

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

### Do Smart Scent Air or Scent diffuse have ads?

Neither Smart Scent Air nor Scent diffuse shows ads.

### Which is updated more often, Smart Scent Air or Scent diffuse?

Smart Scent Air ships an update every 2 months, and Scent diffuse every 3 months. Most recently, Smart Scent Air was updated on October 18, 2026 and Scent diffuse on October 9, 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.*