# Scent Machine vs Scent Play Pro

The clearest difference is update cadence: Scent Play Pro at every 3 weeks against Scent Machine's every 5 months. Scent Machine's advantage is iOS requirement (9.0 vs 15.5). 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 Machine ships an update every 5 months, Scent Play Pro every 3 weeks. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Scent Machine | Scent Play Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 26 MB | 80 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) | [CNUS](https://appshunter.io/developer/1885779748) |

## What reviewers say

### Scent Machine

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Scent Play Pro

[App page](https://appshunter.io/ios/app/scent-play-pro/id6764300685)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scent Machine free?

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

### Is Scent Play Pro free?

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

### Do Scent Machine or Scent Play Pro have ads?

Neither Scent Machine nor Scent Play Pro shows ads.

### Which is updated more often, Scent Machine or Scent Play Pro?

Scent Machine ships an update every 5 months, and Scent Play Pro every 3 weeks. Most recently, Scent Machine was updated on October 16, 2026 and Scent Play Pro on October 12, 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.*