# Aroma World vs Smart Scent Pro

The clearest difference is ads: Smart Scent Pro at none against Aroma World's shown. Aroma World's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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 2 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Aroma World | Smart Scent Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (7 ratings)](https://appshunter.io/ios/app/aroma-world/id1489284025/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 28 MB | 20 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou You'an Information Technology Co.,Ltd](https://appshunter.io/developer/1092018980) | [永锦 罗](https://appshunter.io/developer/1444842458) |

## What reviewers say

### Aroma World

[App page](https://appshunter.io/ios/app/aroma-world/id1489284025)

Control your environment's aroma remotely with this app. It blends nature's purity with technology for a personalized scent experience.

**Highlights:** Remote aroma control, Personalized scent experiences, Integration of nature and technology, Area scent management

**In-app purchases:** none


### Smart Scent Pro

[App page](https://appshunter.io/ios/app/smart-scent-pro/id1558962248)

**In-app purchases:** none


## Frequently asked questions

### Is Aroma World free?

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

### Is Smart Scent Pro free?

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

### Do Aroma World or Smart Scent Pro have ads?

Aroma World shows ads; Smart Scent Pro does not.

### Which is updated more often, Aroma World or Smart Scent Pro?

Aroma World ships an update every 2 months, and Smart Scent Pro every 2 months. Most recently, Aroma World was updated on November 3, 2026 and Smart Scent Pro on November 7, 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.*