# Scent Tech vs Aroma Extract Elf

The clearest difference is iOS requirement: Aroma Extract Elf at 13.0 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.

Scent Tech ships an update every 6 weeks, Aroma Extract Elf every 2 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Scent Tech | Aroma Extract Elf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (63 ratings)](https://appshunter.io/ios/app/scent-tech/id1662466433/reviews)** | — |
| Number of ratings | **63** | — |
| Positive reviews | 13.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 47 MB | 27 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [俊 谢](https://appshunter.io/developer/1440271932) | [Dongguan Sanzon Smart Home Products Co.,Ltd.](https://appshunter.io/developer/1818528172) |

## What reviewers say

### 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


### Aroma Extract Elf

[App page](https://appshunter.io/ios/app/aroma-extract-elf/id6746787570)

**In-app purchases:** none


## Frequently asked questions

### Is Scent Tech free?

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

### Is Aroma Extract Elf free?

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

### Do Scent Tech or Aroma Extract Elf have ads?

Neither Scent Tech nor Aroma Extract Elf shows ads.

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

Scent Tech ships an update every 6 weeks, and Aroma Extract Elf every 2 months. Most recently, Scent Tech was updated on October 14, 2026 and Aroma Extract Elf 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.*