# Aroma Diffuser pro vs SMART_AROMA PRO

The clearest difference is update cadence: SMART_AROMA PRO at every 3 weeks against Aroma Diffuser pro's every 6 months. SMART_AROMA PRO also leads on iOS requirement (13.0 vs 15.5). On price, ads, 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.

Aroma Diffuser pro ships an update every 6 months, SMART_AROMA PRO every 3 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Aroma Diffuser pro | SMART_AROMA PRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 62 MB | 185 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [志君 李](https://appshunter.io/developer/1827885959) | [萍萍 刘](https://appshunter.io/developer/1626043006) |

## What reviewers say

### Aroma Diffuser pro

[App page](https://appshunter.io/ios/app/aroma-diffuser-pro/id6612023034)

**Features:** macOS Compatibility

**In-app purchases:** none


### SMART_AROMA PRO

[App page](https://appshunter.io/ios/app/smart-aroma-pro/id6642651078)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aroma Diffuser pro free?

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

### Is SMART_AROMA PRO free?

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

### Do Aroma Diffuser pro or SMART_AROMA PRO have ads?

Neither Aroma Diffuser pro nor SMART_AROMA PRO shows ads.

### Which is updated more often, Aroma Diffuser pro or SMART_AROMA PRO?

Aroma Diffuser pro ships an update every 6 months, and SMART_AROMA PRO every 3 weeks. Most recently, Aroma Diffuser pro was updated on October 19, 2026 and SMART_AROMA PRO on October 24, 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.*