# Seasons diffuser vs Scent Machine

The clearest difference is update cadence: Scent Machine at every 5 months against Seasons diffuser's every 18 months. Scent Machine also leads on iOS requirement (9.0 vs 12.0). 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.

Seasons diffuser ships an update every 18 months, Scent Machine every 5 months. The most recent releases landed on September 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Seasons diffuser | Scent Machine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 months** |
| Size | 55 MB | 26 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SSAW LLC](https://appshunter.io/developer/1644839757) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## What reviewers say

### Seasons diffuser

[App page](https://appshunter.io/ios/app/seasons-diffuser/id1617968782)

**Features:** macOS Compatibility

**In-app purchases:** none


### Scent Machine

[App page](https://appshunter.io/ios/app/scent-machine/id6740234000)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Seasons diffuser free?

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

### Is Scent Machine free?

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

### Do Seasons diffuser or Scent Machine have ads?

Neither Seasons diffuser nor Scent Machine shows ads.

### Which is updated more often, Seasons diffuser or Scent Machine?

Seasons diffuser ships an update every 18 months, and Scent Machine every 5 months. Most recently, Seasons diffuser was updated on September 24, 2026 and Scent Machine on October 1, 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.*