# AI Chat Assistant vs ChatPro4

The clearest difference is rating: ChatPro4 at 5.0 against AI Chat Assistant's 3.0. ChatPro4 also leads on update cadence (every 3 weeks vs every 10 months) and device support (3 vs 1). AI Chat Assistant's advantage is ads (none vs shown). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. AI Chat Assistant sells 3 in-app purchases, starting at $4.99 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.

ChatPro4 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

AI Chat Assistant ships an update every 10 months, ChatPro4 every 3 weeks. Both last shipped on October 17, 2026.

## The numbers

| Metric | AI Chat Assistant | ChatPro4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/ai-chat-assistant-switchgpt/id1673771591/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chatpro4-ai-chatbot/id6472479300/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 17 MB |
| Requires iOS | 17 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Blue Sodium Corp](https://appshunter.io/developer/388020988) | [Qijie Information](https://appshunter.io/developer/1717060398) |

## What reviewers say

### AI Chat Assistant

[App page](https://appshunter.io/ios/app/ai-chat-assistant-switchgpt/id1673771591)

This app allows you to chat with multiple AI models, including Meta's Llama, Google's Gemini, and OpenAI's GPT, all within a single interface. Seamlessly switch between them to compare responses, save favorite conversations, and customize your experience. It's designed for diverse tasks from creative writing to homework help.

**Highlights:** Access multiple leading AI models, Switch between AI models mid-conversation, Save favorite conversations and responses, Customize chat themes and settings, Share conversations easily, Clean, intuitive iOS design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $12.99 | per month |
| Premium | $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 AI Chat Assistant free?

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

### Is ChatPro4 free?

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

### Which has better reviews, AI Chat Assistant or ChatPro4?

ChatPro4 is rated higher. AI Chat Assistant averages 3.0 out of 5 from 2 ratings, while ChatPro4 averages 5.0 from 2 ratings.

### Do AI Chat Assistant or ChatPro4 have ads?

ChatPro4 shows ads; AI Chat Assistant does not.

### Which is updated more often, AI Chat Assistant or ChatPro4?

AI Chat Assistant ships an update every 10 months, and ChatPro4 every 3 weeks. Most recently, AI Chat Assistant was updated on October 17, 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.*