# ChatHub AI Chat Bot Assistant vs Modbus Viewer

The clearest difference is in-app purchases: Modbus Viewer at none against ChatHub AI Chat Bot Assistant's 2. Modbus Viewer also leads on update cadence (every 2 days vs every 10 days). ChatHub AI Chat Bot Assistant's advantage is iOS requirement (12.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. ChatHub AI Chat Bot Assistant sells 2 in-app purchases, starting at $6.99 per 7 days. Modbus Viewer asks for nothing beyond the download.

ChatHub AI Chat Bot Assistant ships an update every 10 days, Modbus Viewer every 2 days. The most recent releases landed on August 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ChatHub AI Chat Bot Assistant | Modbus Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 39 MB | 7 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ai Art Ltd](https://appshunter.io/developer/1660229021) | [Erdem Bilgicer](https://appshunter.io/developer/1824808762) |

## What reviewers say

### ChatHub AI Chat Bot Assistant

[App page](https://appshunter.io/ios/app/chathub-ai-chat-bot-assistant/id6451497562)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Yearly | $39.99 | per year |


### Modbus Viewer

[App page](https://appshunter.io/ios/app/modbus-viewer/id6748247211)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChatHub AI Chat Bot Assistant free?

ChatHub AI Chat Bot Assistant is free to download, with in-app purchases available.

### Is Modbus Viewer free?

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

### Do ChatHub AI Chat Bot Assistant or Modbus Viewer have ads?

Neither ChatHub AI Chat Bot Assistant nor Modbus Viewer shows ads.

### Which is updated more often, ChatHub AI Chat Bot Assistant or Modbus Viewer?

ChatHub AI Chat Bot Assistant ships an update every 10 days, and Modbus Viewer every 2 days. Most recently, ChatHub AI Chat Bot Assistant was updated on August 22, 2026 and Modbus Viewer on September 17, 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.*