# Smiley World Aroma vs Scent3

Smiley World Aroma and Scent3 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.

Smiley World Aroma ships an update every 5 weeks, Scent3 every 4 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Smiley World Aroma | Scent3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | — | Free |
| Size | 13 MB | 50 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) | [mohammed z sunbil](https://appshunter.io/developer/1659357298) |

## What reviewers say

### Smiley World Aroma

[App page](https://appshunter.io/ios/app/smiley-world-aroma/id6444880308)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scent3

[App page](https://appshunter.io/ios/app/scent3/id6478255965)

Easily control your scent diffusers via Bluetooth from your smartphone. Enhance your environment with personalized scent experiences.

**Highlights:** Bluetooth control, Smartphone integration, Scent experience enhancement, Easy to use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smiley World Aroma free?

Smiley World Aroma is free to download, with no in-app purchases.

### Is Scent3 free?

Scent3 is free to download, with no in-app purchases.

### Do Smiley World Aroma or Scent3 have ads?

Neither Smiley World Aroma nor Scent3 shows ads.

### Which is updated more often, Smiley World Aroma or Scent3?

Smiley World Aroma ships an update every 5 weeks, and Scent3 every 4 weeks. Most recently, Smiley World Aroma was updated on November 3, 2026 and Scent3 on November 4, 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.*