# AI智能助手 vs 打卡水印相机

The clearest difference is update cadence: 打卡水印相机 at every 3 days against AI智能助手's every 3 weeks. AI智能助手's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI智能助手 sells 4 in-app purchases, starting at $9.99 per 7 days and 打卡水印相机 sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI智能助手 ships an update every 3 weeks, 打卡水印相机 every 3 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AI智能助手 | 打卡水印相机 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 52 MB | 56 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [凯 钱](https://appshunter.io/developer/1628287133) | [洋 张](https://appshunter.io/developer/1776044728) |

## What reviewers say

### AI智能助手

[App page](https://appshunter.io/ios/app/aiai/id6680163400)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $9.99 | per 7 days |
| 月会员 | $14.99 | per month |
| 季度会员 | $29.99 | per 3 months |
| 终身会员 | $29.99 | one-time |


### 打卡水印相机

[App page](https://appshunter.io/ios/app/id6738601239)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 打卡水印相机周会员 | $4.99 | per 7 days |
| 打卡水印相机月会员 | $6.99 | per month |
| 打卡水印相机年会员 | $14.99 | per year |


## Frequently asked questions

### Is AI智能助手 free?

AI智能助手 is free to download, with in-app purchases available.

### Is 打卡水印相机 free?

打卡水印相机 is free to download, with in-app purchases available.

### Do AI智能助手 or 打卡水印相机 have ads?

Neither AI智能助手 nor 打卡水印相机 shows ads.

### Which is updated more often, AI智能助手 or 打卡水印相机?

AI智能助手 ships an update every 3 weeks, and 打卡水印相机 every 3 days. Most recently, AI智能助手 was updated on October 10, 2026 and 打卡水印相机 on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*