# Scent Bridge vs AI~Diffuser

The clearest difference is update cadence: Scent Bridge at fortnightly against AI~Diffuser's every 3 months. Scent Bridge also leads on iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Scent Bridge ships an update fortnightly, AI~Diffuser every 3 months. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Scent Bridge | AI~Diffuser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/scent-bridge/id1300023707/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 49 MB | 58 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIR SCENT](https://appshunter.io/developer/1289531217) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## What reviewers say

### Scent Bridge

[App page](https://appshunter.io/ios/app/scent-bridge/id1300023707)

Control and schedule scent output from connected Air-Scent dispensers. Adjust intensity and set weekly or daily intervals directly from your smartphone. Ideal for scent marketing and odor control.

**Highlights:** Schedule scenting intervals, Adjust output intensity, Password protection, Programmable functions, Save functionality profiles, Proprietary software lockout

**Features:** macOS Compatibility

**In-app purchases:** none


### AI~Diffuser

[App page](https://appshunter.io/ios/app/aidiffuser/id6757913113)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scent Bridge free?

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

### Is AI~Diffuser free?

AI~Diffuser is free to download, with no in-app purchases.

### Do Scent Bridge or AI~Diffuser have ads?

Neither Scent Bridge nor AI~Diffuser shows ads.

### Which is updated more often, Scent Bridge or AI~Diffuser?

Scent Bridge ships an update fortnightly, and AI~Diffuser every 3 months. Most recently, Scent Bridge was updated on September 29, 2026 and AI~Diffuser on October 2, 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.*