# Scent vs kirri

The clearest difference is review sentiment: Scent at 43% against kirri's 21%. Scent also leads on iOS requirement (11.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Scent ships an update every 2 months, kirri every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Scent | kirri |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **42.9% of reviews** | 21.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 46 MB | 48 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Scent Australia](https://appshunter.io/developer/1552003364) | [kirri](https://appshunter.io/developer/6827415409) |

## What reviewers say

### Scent

[App page](https://appshunter.io/ios/app/scent/id1552317254)

Control your smart fragrance diffuser from your phone. Personalize diffusion frequency and strength, and shop for new scents all from one app. Enhance your environment with custom aromatherapy.

**Highlights:** ON/OFF Control, Adjust diffusion frequency, Set diffusion strength, Shop for new fragrances, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### kirri

[App page](https://appshunter.io/ios/app/kirri/id6743784974)

Control your smart scent diffuser with a redesigned mobile app. Adjust scent intensity, set custom schedules, and shop for new fragrances. Offers a seamless, passwordless sign-in and demo mode for non-owners.

**Highlights:** On/off control, Custom schedules, Scent strength adjustment, In-app fragrance shop, Demo mode, Passwordless sign-in

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scent free?

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

### Is kirri free?

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

### Do Scent or kirri have ads?

Neither Scent nor kirri shows ads.

### Which is updated more often, Scent or kirri?

Scent ships an update every 2 months, and kirri every 5 weeks. Most recently, Scent was updated on November 3, 2026 and kirri on November 4, 2026.

---

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