# Brayns AI vs K2Sonnet

The clearest difference is in-app purchases: K2Sonnet at none against Brayns AI's 3. Brayns AI's advantage is update cadence (every 5 days vs every 7 months) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Brayns AI sells 3 one-off in-app purchases. K2Sonnet asks for nothing beyond the download.

Brayns AI ships an update every 5 days, K2Sonnet every 7 months. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Brayns AI | K2Sonnet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/k2sonnet/id6753734747/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 7 months |
| Monetization | — | Free |
| Size | 38 MB | 2 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [bora biricik](https://appshunter.io/developer/1806959608) | [Shanghai Jiyue Information Technology Co., Ltd.](https://appshunter.io/developer/1795192424) |

## What reviewers say

### Brayns AI

[App page](https://appshunter.io/ios/app/brayns-ai-multi-purpose-ai/id6744300515)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Credits | $0.99 | one-time |
| 100 Credits | $2.99 | one-time |
| 200 Credits | $4.99 | one-time |


### K2Sonnet

[App page](https://appshunter.io/ios/app/k2sonnet/id6753734747)

This next-generation smart assistant helps streamline your daily tasks. It offers intelligent features designed to enhance productivity and organization. Experience a smarter way to manage your workflow.

**Highlights:** Smart assistance, Task management, Workflow enhancement, Intelligent features, Organization tools

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brayns AI free?

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

### Is K2Sonnet free?

K2Sonnet is free to download, with no in-app purchases.

### Do Brayns AI or K2Sonnet have ads?

Neither Brayns AI nor K2Sonnet shows ads.

### Which is updated more often, Brayns AI or K2Sonnet?

Brayns AI ships an update every 5 days, and K2Sonnet every 7 months. Most recently, Brayns AI was updated on October 28, 2026 and K2Sonnet on October 30, 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.*