# Kalay Home vs Cortex

The clearest difference is in-app purchases: Kalay Home at none against Cortex's 7. Kalay Home also leads on iOS requirement (8.0 vs 16.4). Cortex's advantage is update cadence (every 4 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Cortex sells 7 in-app purchases, starting at $4.99 per 7 days. Kalay Home asks for nothing beyond the download.

Kalay Home ships an update every 3 months, Cortex every 4 days. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kalay Home | Cortex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 24 MB | 68 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Throughtek Co., Ltd.](https://appshunter.io/developer/372083225) | [ODBS LLC](https://appshunter.io/developer/1816580215) |

## What reviewers say

### Kalay Home

[App page](https://appshunter.io/ios/app/kalay-home-diffuser/id1193916276)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cortex

[App page](https://appshunter.io/ios/app/cortex-ai-chat-assistant/id6760509573)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Weekly | $4.99 | per 7 days |
| Pro Monthly | $8.99 | per month |
| Pro Weekly | $9.99 | per 7 days |
| Pro Yearly | $69.99 | per year |
| 500 Credits | $1.99 | one-time |
| 50 Credits | $2.99 | one-time |
| 150 Credits | $6.99 | one-time |


## Frequently asked questions

### Is Kalay Home free?

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

### Is Cortex free?

Cortex is free to download, with in-app purchases available.

### Do Kalay Home or Cortex have ads?

Neither Kalay Home nor Cortex shows ads.

### Which is updated more often, Kalay Home or Cortex?

Kalay Home ships an update every 3 months, and Cortex every 4 days. Most recently, Kalay Home was updated on October 12, 2026 and Cortex on October 7, 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.*