# Norkta vs Cortex

The clearest difference is iOS requirement: Cortex at 15.1 against Norkta's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Norkta sells 3 in-app purchases, starting at $0.99 per month and Cortex sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Norkta ships an update every 2 months, Cortex every 4 months. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Norkta | Cortex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 2 MB | 84 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zixiang Zhang](https://appshunter.io/developer/1864080804) | [Ippocode Technologies LLP](https://appshunter.io/developer/1852421273) |

## What reviewers say

### Norkta

[App page](https://appshunter.io/ios/app/norkta/id6757136201)

**Features:** iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Norkta Pro Monthly | $0.99 | per month |
| Norkta Pro Yearly | $2.99 | per year |
| Norkta Pro Lifetime | $6.99 | one-time |


### Cortex

[App page](https://appshunter.io/ios/app/cortex-local-ai/id6757537386)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortex Pro | $19.99 | one-time |


## Frequently asked questions

### Is Norkta free?

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

### Is Cortex free?

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

### Do Norkta or Cortex have ads?

Neither Norkta nor Cortex shows ads.

### Which is updated more often, Norkta or Cortex?

Norkta ships an update every 2 months, and Cortex every 4 months. Most recently, Norkta was updated on November 9, 2026 and Cortex on October 31, 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.*