# ChatModel vs FEI AI

The clearest difference is in-app purchases: FEI AI at none against ChatModel's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ChatModel sells 3 in-app purchases, starting at $3.99 per 7 days. FEI AI asks for nothing beyond the download.

ChatModel ships an update monthly, FEI AI every 5 weeks. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ChatModel | FEI AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fei-ai-ai/id6742480738/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | — | Free |
| Size | 15 MB | 15 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Qijie Information](https://appshunter.io/developer/1717060398) | [Kunchuang Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1630069645) |

## What reviewers say

### ChatModel

[App page](https://appshunter.io/ios/app/chatmodel-multiple-models/id6479516706)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plus | $3.99 | per 7 days |
| Monthly Plus | $12.99 | per month |
| Annual Plus | $119.00 | per year |


### FEI AI

[App page](https://appshunter.io/ios/app/fei-ai-ai/id6742480738)

This AI assistant helps with daily conversations, content creation, and problem-solving. It offers personalized experiences and ensures privacy through encrypted conversations.

**Highlights:** Advanced conversational AI, Content writing assistance, Creative idea generation, Personalized user experience, Secure encrypted conversations, Instant AI assistant service

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChatModel free?

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

### Is FEI AI free?

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

### Do ChatModel or FEI AI have ads?

Neither ChatModel nor FEI AI shows ads.

### Which is updated more often, ChatModel or FEI AI?

ChatModel ships an update monthly, and FEI AI every 5 weeks. Most recently, ChatModel was updated on November 8, 2026 and FEI AI on November 4, 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.*