# Air Aroma vs Scent Tech

The clearest difference is iOS requirement: Air Aroma at 9.0 against Scent Tech'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.

Air Aroma ships an update every 3 weeks, Scent Tech every 6 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Air Aroma | Scent Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (81 ratings)](https://appshunter.io/ios/app/scent-tech/id1662466433/reviews)** |
| Number of ratings | — | **81** |
| Positive reviews | — | 13.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 23 MB | 47 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [征 李](https://appshunter.io/developer/1616811712) | [俊 谢](https://appshunter.io/developer/1440271932) |

## What reviewers say

### Air Aroma

[App page](https://appshunter.io/ios/app/air-aroma/id1620102164)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scent Tech

[App page](https://appshunter.io/ios/app/scent-tech/id1662466433)

Control your scent machine remotely with this app. It offers automatic mode selection for various scenarios and allows for batch management of devices through customizable groups.

**Highlights:** Scent machine control, Automatic mode selection, Device grouping, Batch management, Customizable group names

**In-app purchases:** none


## Frequently asked questions

### Is Air Aroma free?

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

### Is Scent Tech free?

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

### Do Air Aroma or Scent Tech have ads?

Neither Air Aroma nor Scent Tech shows ads.

### Which is updated more often, Air Aroma or Scent Tech?

Air Aroma ships an update every 3 weeks, and Scent Tech every 6 weeks. Most recently, Air Aroma was updated on October 30, 2026 and Scent Tech 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.*