# ChatAI vs AIssistants

The clearest difference is ads: AIssistants at none against ChatAI's shown. ChatAI's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. ChatAI sells 6 in-app purchases, starting at $4.99 per 7 days and AIssistants sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ChatAI ships an update weekly, AIssistants every 9 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | ChatAI | AIssistants |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aissistants/id6451455825/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 26 MB | 12 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | +17 |
| Developer | [Hangzhou Zero Zone Technology Co., Ltd.](https://appshunter.io/developer/1664010128) | [江 刘](https://appshunter.io/developer/1672554088) |

## What reviewers say

### ChatAI

[App page](https://appshunter.io/ios/app/chatai-chat-and-write-robot/id1672705850)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly member | $4.99 | per 7 days |
| 年度会员-3天试用 | $12.99 | per year |
| Quarterly member | $14.99 | per 3 months |
| Monthly member | $19.99 | per month |
| Annual member | $39.99 | per year |
| Permanent member | $39.99 | one-time |


### AIssistants

[App page](https://appshunter.io/ios/app/aissistants/id6451455825)

Create and customize your own AI assistant. Sync conversations across devices using iCloud. This app acts as an interface to OpenAI's API, requiring your own API key for full functionality.

**Highlights:** Create custom AI assistants, iCloud chat synchronization, OpenAI API integration, Cross-platform support, Secure API key handling

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Time Purchase | $0.99 | one-time |


## Frequently asked questions

### Is ChatAI free?

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

### Is AIssistants free?

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

### Do ChatAI or AIssistants have ads?

ChatAI shows ads; AIssistants does not.

### Which is updated more often, ChatAI or AIssistants?

ChatAI ships an update weekly, and AIssistants every 9 days. Most recently, ChatAI was updated on November 3, 2026 and AIssistants on November 3, 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.*