# 太一冷氣 vs ChatPro4

The clearest difference is in-app purchases: 太一冷氣 at none against ChatPro4's 3. 太一冷氣 also leads on ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ChatPro4 sells 3 in-app purchases, starting at $4.99 per 7 days. 太一冷氣 asks for nothing beyond the download.

太一冷氣 ships an update weekly, ChatPro4 every 3 weeks. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 太一冷氣 | 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 144 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Guangzhou Geeklink Intelligent Technology Co.,Ltd.](https://appshunter.io/developer/1525478107) | [Qijie Information](https://appshunter.io/developer/1717060398) |

## What reviewers say

### 太一冷氣

[App page](https://appshunter.io/ios/app/id1533945686)

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

**In-app purchases:** none


### 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 太一冷氣 free?

太一冷氣 is free to download, with no in-app purchases.

### Is ChatPro4 free?

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

### Do 太一冷氣 or ChatPro4 have ads?

ChatPro4 shows ads; 太一冷氣 does not.

### Which is updated more often, 太一冷氣 or ChatPro4?

太一冷氣 ships an update weekly, and ChatPro4 every 3 weeks. Most recently, 太一冷氣 was updated on October 27, 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.*