# Kaadas vs Scent Online

The clearest difference is review sentiment: Scent Online at 67% against Kaadas's 0%. Kaadas's advantage is rating (3.2 vs 2.3) and iOS requirement (11.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kaadas holds the better App Store score, 3.2 against 2.3. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews complicate that: 0% of Kaadas's written reviews are positive against 67% of Scent Online's, so the app with the better star average is not the one people write more warmly about.

Kaadas ships an update every 3 months, Scent Online every 6 weeks. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Kaadas | Scent Online |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/kaadas/id1471074410/reviews)** | [2.3 (6 ratings)](https://appshunter.io/ios/app/scent-online/id6447555329/reviews) |
| Number of ratings | 6 | 6 |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 187 MB | 104 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Kaadas Intelligent Technology Co.,Ltd](https://appshunter.io/developer/1155786021) | [Guangzhou Scenthope Environmental Technology Co., LTD](https://appshunter.io/developer/1677453350) |

## What reviewers say

### Kaadas

[App page](https://appshunter.io/ios/app/kaadas/id1471074410)

Remotely monitor and control your smart door lock. Check door status, view unlocking history, and manage temporary PIN codes for family access. Keep your home secure and convenient from anywhere.

**Highlights:** Remote door status check, Unlocking record history, Temporary PIN code creation, Family access sharing, Battery power monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Scent Online

[App page](https://appshunter.io/ios/app/scent-online/id6447555329)

Control your smart aromatherapy devices remotely via Bluetooth or WiFi. Manage multiple devices, group them, and share control with others. Customize timing tasks and enjoy multi-language support for an intelligent aromatherapy experience.

**Highlights:** Remote device control via Bluetooth/WiFi, Manage multiple devices, Device grouping and sharing, Customizable timing tasks, Multi-language support

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

**In-app purchases:** none


## Frequently asked questions

### Is Kaadas free?

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

### Is Scent Online free?

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

### Which has better reviews, Kaadas or Scent Online?

Kaadas is rated higher. Kaadas averages 3.2 out of 5 from 6 ratings, while Scent Online averages 2.3 from 6 ratings.

### Do Kaadas or Scent Online have ads?

Neither Kaadas nor Scent Online shows ads.

### Which is updated more often, Kaadas or Scent Online?

Kaadas ships an update every 3 months, and Scent Online every 6 weeks. Most recently, Kaadas was updated on September 20, 2026 and Scent Online on September 17, 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.*