# Corvus Wall vs kirri

The clearest difference is iOS requirement: Corvus Wall at 12.0 against kirri's 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.

Corvus Wall ships an update every 2 months, kirri every 5 weeks. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Corvus Wall | kirri |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 21.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 114 MB | 48 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Intov8 Pty Ltd](https://appshunter.io/developer/1109196662) | [kirri](https://appshunter.io/developer/6827415409) |

## What reviewers say

### Corvus Wall

[App page](https://appshunter.io/ios/app/corvus-wall/id1147938633)

**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 Corvus Wall free?

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

### Is kirri free?

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

### Do Corvus Wall or kirri have ads?

Neither Corvus Wall nor kirri shows ads.

### Which is updated more often, Corvus Wall or kirri?

Corvus Wall ships an update every 2 months, and kirri every 5 weeks. Most recently, Corvus Wall was updated on November 11, 2026 and kirri on November 8, 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.*