# Knot Event vs Dr. Scent

The clearest difference is update cadence: Knot Event at every 2 weeks against Dr. Scent's every 6 weeks. Dr. Scent's advantage is iOS requirement (13.0 vs 15.0). 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.

Knot Event ships an update every 2 weeks, Dr. Scent every 6 weeks. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Knot Event | Dr. Scent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.1 (15 ratings)](https://appshunter.io/ios/app/dr-scent/id1664322675/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 36.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 26 MB | 106 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [HOLOOLTECH GENERAL TRADING LLC](https://appshunter.io/developer/1740001670) | [Rawaieh Al Zuhor Cleaning& Detergent TR](https://appshunter.io/developer/1453355635) |

## What reviewers say

### Knot Event

[App page](https://appshunter.io/ios/app/knot-event/id1659390883)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dr. Scent

[App page](https://appshunter.io/ios/app/dr-scent/id1664322675)

Control your smart diffuser remotely. Adjust settings, set schedules, and rename your device from your phone. Order refills and check machine status with ease.

**Highlights:** Remote device control, Scheduling options, Device renaming, Refill ordering, Machine status check

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Knot Event free?

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

### Is Dr. Scent free?

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

### Do Knot Event or Dr. Scent have ads?

Neither Knot Event nor Dr. Scent shows ads.

### Which is updated more often, Knot Event or Dr. Scent?

Knot Event ships an update every 2 weeks, and Dr. Scent every 6 weeks. Most recently, Knot Event was updated on October 13, 2026 and Dr. Scent on October 19, 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.*