# AI Chat Assistant vs imp AI

The clearest difference is update cadence: AI Chat Assistant at every 3 weeks against imp AI's every 2 months. AI Chat Assistant also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. AI Chat Assistant sells 2 in-app purchases, starting at $2.99 per 7 days and imp AI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI Chat Assistant ships an update every 3 weeks, imp AI every 2 months. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AI Chat Assistant | imp AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 58 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [DEVSRANK](https://appshunter.io/developer/1716669578) | [ENVISIONAIRY LLC](https://appshunter.io/developer/1605281065) |

## What reviewers say

### AI Chat Assistant

[App page](https://appshunter.io/ios/app/ai-chat-assistant-replyo/id6740520360)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chatbot Weekly | $2.99 | per 7 days |
| Chatbot Yearly | $14.99 | per year |


### imp AI

[App page](https://appshunter.io/ios/app/imp-ai/id6759437915)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $6.99 | one-time |


## Frequently asked questions

### Is AI Chat Assistant free?

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

### Is imp AI free?

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

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

Neither AI Chat Assistant nor imp AI shows ads.

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

AI Chat Assistant ships an update every 3 weeks, and imp AI every 2 months. Most recently, AI Chat Assistant was updated on October 26, 2026 and imp AI on October 5, 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.*