# Fir Noir vs Kortix

The clearest difference is in-app purchases: Fir Noir at none against Kortix's 5. Kortix's advantage is iOS requirement (16.4 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kortix sells 5 in-app purchases, starting at $19.99 per month. Fir Noir asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Fir Noir | Kortix |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 87 MB | 90 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Fir Noir LLc](https://appshunter.io/developer/1844363875) | [Kortix](https://appshunter.io/developer/1848304631) |

## What reviewers say

### Fir Noir

[App page](https://appshunter.io/ios/app/fir-noir/id6753681791)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Kortix

[App page](https://appshunter.io/ios/app/kortix/id6754448524)

Manage your AI agents and their tasks from your phone. Start sessions, attach files, and respond to agent requests. This open-source system allows for self-hosting and full control over your AI workforce.

**Highlights:** Manage AI agents and skills, Company memory and connectors, Self-hosted or managed cloud options, Start and monitor AI sessions, Attach files and dictate messages, Respond to agent requests, Switch between projects

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kortix Plus Monthly | $19.99 | per month |
| Kortix Pro Monthly | $50.00 | per month |
| Kortix Ultra Monthly | $200.00 | per month |
| Kortix Plus Yearly | $204.99 | per year |
| Kortix Pro Yearly | $509.99 | per year |


## Frequently asked questions

### Is Fir Noir free?

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

### Is Kortix free?

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

### Do Fir Noir or Kortix have ads?

Neither Fir Noir nor Kortix shows ads.

### Which is updated more often, Fir Noir or Kortix?

Fir Noir ships an update every 2 weeks, and Kortix every 2 weeks. Most recently, Fir Noir was updated on October 30, 2026 and Kortix on November 9, 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.*