# ChatAI vs OpeoAi

The clearest difference is ads: OpeoAi at none against ChatAI's shown. OpeoAi also leads on update cadence (every 3 days vs weekly) and iOS requirement (10.0 vs 13.0). On price, 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 OpeoAi sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ChatAI ships an update weekly, OpeoAi every 3 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | ChatAI | OpeoAi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Size | 26 MB | 25 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou Zero Zone Technology Co., Ltd.](https://appshunter.io/developer/1664010128) | [黎娜 李](https://appshunter.io/developer/1659823103) |

## 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 |


### OpeoAi

[App page](https://appshunter.io/ios/app/opeoai-bot-assistant/id6449756438)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per month |
| Quarterly Premium | $9.99 | per 3 months |
| Yearly Premium | $14.99 | per year |


## Frequently asked questions

### Is ChatAI free?

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

### Is OpeoAi free?

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

### Do ChatAI or OpeoAi have ads?

ChatAI shows ads; OpeoAi does not.

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

ChatAI ships an update weekly, and OpeoAi every 3 days. Most recently, ChatAI was updated on October 27, 2026 and OpeoAi on October 27, 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.*