# 恒付 vs 龙虾AI

The clearest difference is in-app purchases: 恒付 at none against 龙虾AI's 3. 恒付 also leads on device support and iOS requirement (10.0 vs 16). On price there is nothing between them.

Both are free to download. 龙虾AI sells 3 in-app purchases, starting at $0.99 per month. 恒付 asks for nothing beyond the download.

## The numbers

| Metric | 恒付 | 龙虾AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 10 days | — |
| Size | 65 MB | 1 MB |
| Requires iOS | **10.0** | 16 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Meiyou Meifu Technical Service Co., Ltd.](https://appshunter.io/developer/1510694347) | [贺 刘](https://appshunter.io/developer/1585977975) |

## What reviewers say

### 恒付

[App page](https://appshunter.io/ios/app/id1269507191)

**In-app purchases:** none


### 龙虾AI

[App page](https://appshunter.io/ios/app/ai/id6760580004)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月会员权益 | $0.99 | per month |
| 三个月会员权益 | $2.99 | per 3 months |
| 一年会员权益 | $9.99 | per year |


## Frequently asked questions

### Is 恒付 free?

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

### Is 龙虾AI free?

龙虾AI 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.*