# CH Controller vs ScentFlow+

The clearest difference is update cadence: ScentFlow+ at every 5 days against CH Controller's every 6 weeks. ScentFlow+ also leads on iOS requirement (13.0 vs 17.0). 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.

CH Controller ships an update every 6 weeks, ScentFlow+ every 5 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CH Controller | ScentFlow+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 49 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CH Precision Sarl](https://appshunter.io/developer/1809139233) | [Shenzhen Dianzhui Culture Technology Co., Ltd.](https://appshunter.io/developer/1529082388) |

## What reviewers say

### CH Controller

[App page](https://appshunter.io/ios/app/ch-controller/id6744744401)

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

**In-app purchases:** none


### ScentFlow+

[App page](https://appshunter.io/ios/app/scentflow-plus/id6768910526)

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

**In-app purchases:** none


## Frequently asked questions

### Is CH Controller free?

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

### Is ScentFlow+ free?

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

### Do CH Controller or ScentFlow+ have ads?

Neither CH Controller nor ScentFlow+ shows ads.

### Which is updated more often, CH Controller or ScentFlow+?

CH Controller ships an update every 6 weeks, and ScentFlow+ every 5 days. Most recently, CH Controller was updated on October 1, 2026 and ScentFlow+ on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*