# AI对话 vs 写作火火

The clearest difference is device support: AI对话 at 3 against 写作火火's —. AI对话 also leads on iOS requirement (12.0 vs 15.3). On price and in-app purchases there is nothing between them.

Both are free to download. AI对话 sells 6 in-app purchases, starting at $3.99 per month and 写作火火 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | AI对话 | 写作火火 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 9 days | — |
| Size | 7 MB | 7 MB |
| Requires iOS | **12.0** | 15.3 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [龙杰 黄](https://appshunter.io/developer/1574292383) | [丹丹 陈](https://appshunter.io/developer/1748582081) |

## What reviewers say

### AI对话

[App page](https://appshunter.io/ios/app/ai-chat-ai/id1672800103)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月订阅 | $3.99 | per month |
| 年订阅 | $14.99 | per year |
| 100次提问 | $0.99 | one-time |
| 1000次提问 | $7.99 | one-time |
| 季度会员 | $9.99 | one-time |
| 终身会员 | $29.99 | one-time |


### 写作火火

[App page](https://appshunter.io/ios/app/and-ai/id6475755921)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月会员 | $4.99 | one-time |
| 1年会员 | $9.99 | one-time |
| 终身会员 | $14.99 | one-time |


## Frequently asked questions

### Is AI对话 free?

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

### Is 写作火火 free?

写作火火 is free to download, with in-app purchases available.

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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.*