Knot Event vs Dr. Scent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Knot Event
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KNOT Event, an application to facilitate the entry and exit of visitors to exhibitions, conferences and events using NFC Cards and QR codes.
Dr. Scent
Control your smart diffuser remotely. Adjust settings, set schedules, and rename your device from your phone. Order refills and check machine status with ease.
- Remote device control
- Scheduling options
- Device renaming
- Refill ordering
- Machine status check
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Dr. Scent has taken their beloved diffuser and added a new mobile application to allow the user to control their diffuser from anywhere. The app allows you to order any refill from your phone as well as check the status of your machine if it is a wifi or Bluetooth machine. We can't wait for you to try it! Whether you need to turn off or on your device, Set a different schedule, or change the name of the machine many things more can be done from the app
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Knot Event | Dr. Scent |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.1 (15 ratings) — better |
| Positive reviews | — | 36.8% of reviews |
| Number of ratings | — | 15 — better |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 106 MB |
| Age rating | 17+ | 4+ |
| Developer | HOLOOLTECH GENERAL TRADING LLC | Rawaieh Al Zuhor Cleaning& Detergent TR |
In-app purchases
Knot Event
No in-app purchases
Dr. Scent
No in-app purchases
