# ChatAI vs ChatPro4

The clearest difference is ads: ChatAI at none against ChatPro4's shown. ChatPro4's advantage is update cadence (every 3 weeks vs every 18 months) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ChatAI sells 2 in-app purchases, starting at $7.99 per 7 days and ChatPro4 sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ChatAI ships an update every 18 months, ChatPro4 every 3 weeks. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ChatAI | ChatPro4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chatpro4-ai-chatbot/id6472479300/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 17 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Blazelin Tech](https://appshunter.io/developer/1710814444) | [Qijie Information](https://appshunter.io/developer/1717060398) |

## What reviewers say

### ChatAI

[App page](https://appshunter.io/ios/app/chatai-ai-assistant/id6470879375)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Annually | $49.99 | per year |


### ChatPro4

[App page](https://appshunter.io/ios/app/chatpro4-ai-chatbot/id6472479300)

Engage in natural conversations with an AI assistant for advice, information, and creative tasks. It offers writing assistance, translation, planning, and programming help, powered by an advanced AI model with vision and speech-to-text capabilities.

**Highlights:** Advanced AI model (4.0), Vision modeling for picture conversations, Speech-to-text for efficiency, Streaming output for reduced waiting, Role-playing and dialog scenarios, Contextualization and multi-line switching

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plus | $4.99 | per 7 days |
| Monthly Plus | $11.90 | per month |
| Annual Plus | $89.99 | per year |


## Frequently asked questions

### Is ChatAI free?

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

### Is ChatPro4 free?

ChatPro4 is free to download, with in-app purchases available.

### Do ChatAI or ChatPro4 have ads?

ChatPro4 shows ads; ChatAI does not.

### Which is updated more often, ChatAI or ChatPro4?

ChatAI ships an update every 18 months, and ChatPro4 every 3 weeks. Most recently, ChatAI was updated on October 25, 2026 and ChatPro4 on October 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.*