# REIMA vs Scent Online

The clearest difference is review sentiment: Scent Online at 67% against REIMA's 50%. REIMA's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

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

REIMA ships an update every 3 weeks, Scent Online every 6 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | REIMA | Scent Online |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (6 ratings)](https://appshunter.io/ios/app/scent-online/id6447555329/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 4 MB | 101 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [REIMA AirConcept GmbH](https://appshunter.io/developer/1365398385) | [Guangzhou Scenthope Environmental Technology Co., LTD](https://appshunter.io/developer/1677453350) |

## What reviewers say

### REIMA

[App page](https://appshunter.io/ios/app/reima/id1365398386)

Easily control your room scenting device from your desk or reception. Set specific times and intensity levels for your desired fragrance experience. Manage passwords for security and ensure your device operates only during business hours.

**Highlights:** Day and minute-accurate scheduling, Activate/deactivate device during business hours, Password change for security, Adjustable intensity levels, Simple and clear user interface

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

**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 REIMA free?

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

### Is Scent Online free?

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

### Do REIMA or Scent Online have ads?

Neither REIMA nor Scent Online shows ads.

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

REIMA ships an update every 3 weeks, and Scent Online every 6 weeks. Most recently, REIMA was updated on November 2, 2026 and Scent Online 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.*