# Brayns AI vs BTS Chatter

The clearest difference is in-app purchases: BTS Chatter at none against Brayns AI's 3. Brayns AI's advantage is update cadence (every 5 days vs monthly) and iOS requirement (15.1 vs 17.0). 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. BTS Chatter asks for nothing beyond the download.

Brayns AI ships an update every 5 days, BTS Chatter monthly. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Brayns AI | BTS Chatter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 38 MB | 17 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [bora biricik](https://appshunter.io/developer/1806959608) | [Fabian Ackle](https://appshunter.io/developer/1865783956) |

## 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 |


### BTS Chatter

[App page](https://appshunter.io/ios/app/bts-chatter/id6787178556)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Brayns AI free?

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

### Is BTS Chatter free?

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

### Do Brayns AI or BTS Chatter have ads?

Neither Brayns AI nor BTS Chatter shows ads.

### Which is updated more often, Brayns AI or BTS Chatter?

Brayns AI ships an update every 5 days, and BTS Chatter monthly. Most recently, Brayns AI was updated on November 8, 2026 and BTS Chatter on November 5, 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.*