# Scentist vs CDbay

The clearest difference is update cadence: CDbay at every 5 days against Scentist's every 3 months. 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.

Scentist ships an update every 3 months, CDbay every 5 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Scentist | CDbay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (11 ratings)](https://appshunter.io/ios/app/scentist/id6443780450/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 30 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志涛 侯](https://appshunter.io/developer/1739246959) | [Shandong Chengshida Automobile Sales Co., Ltd.](https://appshunter.io/developer/1867440986) |

## What reviewers say

### Scentist

[App page](https://appshunter.io/ios/app/scentist/id6443780450)

Control your intelligent scent machine with this app. Set working times, fragrance concentration, and schedule auto on/off functions. You can also restore factory settings and access device instructions.

**Highlights:** Set working time and date, Adjust fragrance concentration, Auto on and off scheduling, Restore factory settings, View device instructions

**Features:** macOS Compatibility

**In-app purchases:** none


### CDbay

[App page](https://appshunter.io/ios/app/cdbay/id6761820547)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scentist free?

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

### Is CDbay free?

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

### Do Scentist or CDbay have ads?

Neither Scentist nor CDbay shows ads.

### Which is updated more often, Scentist or CDbay?

Scentist ships an update every 3 months, and CDbay every 5 days. Most recently, Scentist was updated on October 9, 2026 and CDbay on October 6, 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.*