# 3i vs Scent Diffuser Aroma

The clearest difference is review sentiment: 3i at 72% against Scent Diffuser Aroma's 25%. 3i also leads on rating (4.9 vs 1.5) and ratings volume (351 vs 8). 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.

3i holds the better App Store score, 4.9 against 1.5. That said, the two scores are not equally well evidenced: 3i has 351 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 72% of 3i's written reviews are positive against 25% of Scent Diffuser Aroma's.

3i ships an update every 11 days, Scent Diffuser Aroma every 4 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 3i | Scent Diffuser Aroma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (351 ratings)](https://appshunter.io/ios/app/3i/id1625845488/reviews)** | [1.5 (8 ratings)](https://appshunter.io/ios/app/scent-diffuser-aroma/id6476529181/reviews) |
| Number of ratings | **351** | 8 |
| Positive reviews | **72.2% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 279 MB | 23 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市杉川智能科技有限公司](https://appshunter.io/developer/1680092577) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## What reviewers say

### 3i

[App page](https://appshunter.io/ios/app/3i/id1625845488)

Easily connect and control your smart devices from your mobile phone. Manage settings, schedule tasks, and monitor device status remotely. Enjoy firmware updates and share device access with family.

**Highlights:** Remote control and setup, Real-time status view, Schedule automated tasks, Do not disturb mode, Firmware upgrades, Share device access

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

**In-app purchases:** none


### Scent Diffuser Aroma

[App page](https://appshunter.io/ios/app/scent-diffuser-aroma/id6476529181)

Control smart home scent diffusers wirelessly. Scan and bind devices via LAN or Bluetooth, remotely manage switch and timing functions, and adjust working modes. Customize the app's theme and language for a personalized experience.

**Highlights:** Scan and bind smart home appliances, Remote device switch and timing, Control device working modes, Bluetooth device connection, Theme and language customization

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

**In-app purchases:** none


## Frequently asked questions

### Is 3i free?

3i is free to download, with no in-app purchases.

### Is Scent Diffuser Aroma free?

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

### Which has better reviews, 3i or Scent Diffuser Aroma?

3i is rated higher. 3i averages 4.9 out of 5 from 351 ratings, while Scent Diffuser Aroma averages 1.5 from 8 ratings.

### Do 3i or Scent Diffuser Aroma have ads?

Neither 3i nor Scent Diffuser Aroma shows ads.

### Which is updated more often, 3i or Scent Diffuser Aroma?

3i ships an update every 11 days, and Scent Diffuser Aroma every 4 weeks. Most recently, 3i was updated on November 3, 2026 and Scent Diffuser Aroma on November 4, 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.*