# ChatPro4 vs InstanceExpert

The clearest difference is in-app purchases: InstanceExpert at none against ChatPro4's 3. InstanceExpert also leads on ads (none vs shown). On price, update cadence, 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. InstanceExpert asks for nothing beyond the download.

ChatPro4 ships an update every 3 weeks, InstanceExpert fortnightly. The most recent releases landed on June 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | ChatPro4 | InstanceExpert |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 27 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Chengdu Qijie Information Technology Co., Ltd](https://appshunter.io/developer/1717060398) | [梦婷 张](https://appshunter.io/developer/1773142963) |

## What reviewers say

### 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 |


### InstanceExpert

[App page](https://appshunter.io/ios/app/instanceexpert-ai-chat/id6740514134)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChatPro4 free?

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

### Is InstanceExpert free?

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

### Do ChatPro4 or InstanceExpert have ads?

ChatPro4 shows ads; InstanceExpert does not.

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

ChatPro4 ships an update every 3 weeks, and InstanceExpert fortnightly. Most recently, ChatPro4 was updated on June 23, 2026 and InstanceExpert on September 25, 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.*