# Scentelligent vs COMP Odour Survey

The clearest difference is update cadence: Scentelligent at every 2 months against COMP Odour Survey's every 6 months. Scentelligent also leads on iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scentelligent ships an update every 2 months, COMP Odour Survey every 6 months. The most recent releases landed on October 6, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Scentelligent | COMP Odour Survey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/scentelligent/id969131634/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 64 MB | 45 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BlueStreak IOT](https://appshunter.io/developer/1488410899) | [Wood Buffalo Environmental Association](https://appshunter.io/developer/1281094252) |

## What reviewers say

### Scentelligent

[App page](https://appshunter.io/ios/app/scentelligent/id969131634)

Remotely monitor, control, and manage fragrance diffusers from any location. This app connects to scent systems via a cloud service, allowing users to customize fragrance intensity, days, and times for a consistent brand experience. It's designed for businesses seeking to enhance their ambient scent marketing.

**Highlights:** Remote monitoring and control, Customizable fragrance intensity, Scheduled fragrance playback, Cloud-based connectivity, Intelligent scent technology, Multi-location management

**Features:** macOS Compatibility

**In-app purchases:** none


### COMP Odour Survey

[App page](https://appshunter.io/ios/app/comp-odour-survey/id1281094253)

This app allows the public to report odour events in the Wood Buffalo region. The collected anonymous data helps researchers understand the relationship between odours and ambient air quality, complementing official monitoring station data.

**Highlights:** Anonymous odour reporting, Contributes to air quality research, Data complements monitoring stations, Supports Wood Buffalo Environmental Association, Community participation in environmental monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scentelligent free?

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

### Is COMP Odour Survey free?

COMP Odour Survey is free to download, with no in-app purchases.

### Do Scentelligent or COMP Odour Survey have ads?

Neither Scentelligent nor COMP Odour Survey shows ads.

### Which is updated more often, Scentelligent or COMP Odour Survey?

Scentelligent ships an update every 2 months, and COMP Odour Survey every 6 months. Most recently, Scentelligent was updated on October 6, 2026 and COMP Odour Survey on October 22, 2026.

---

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