# Smell Smile vs Scent diffuse

Smell Smile and Scent diffuse are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | Smell Smile | 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 3 months | Every 3 months |
| Monetization | — | Free |
| Size | 5 MB | 22 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [mohammed z sunbil](https://appshunter.io/developer/1659357298) | [春荣 杨](https://appshunter.io/developer/1677484703) |

## What reviewers say

### Smell Smile

[App page](https://appshunter.io/ios/app/smell-smile/id1659357296)

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

**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 Smell Smile free?

Smell Smile 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 Smell Smile or Scent diffuse have ads?

Neither Smell Smile nor Scent diffuse shows ads.

### Which is updated more often, Smell Smile or Scent diffuse?

Smell Smile ships an update every 3 months, and Scent diffuse every 3 months. Most recently, Smell Smile was updated on October 9, 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.*