# 商标买卖转让 vs AI经期

The clearest difference is update cadence: AI经期 at monthly against 商标买卖转让's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

商标买卖转让 ships an update every 4 months, AI经期 monthly. The most recent releases landed on September 8, 2026 and January 3, 2026 respectively.

## The numbers

| Metric | 商标买卖转让 | AI经期 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 34 MB | 29 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海知风者知识产权代理有限公司](https://appshunter.io/developer/1525860965) | [Chengdu Mantang Tianxia Network Technology Co., Ltd.](https://appshunter.io/developer/1576061027) |

## What reviewers say

### 商标买卖转让

[App page](https://appshunter.io/ios/app/id1541834623)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI经期

[App page](https://appshunter.io/ios/app/ai/id1671471002)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 商标买卖转让 free?

商标买卖转让 is free to download, with no in-app purchases.

### Is AI经期 free?

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

### Do 商标买卖转让 or AI经期 have ads?

Neither 商标买卖转让 nor AI经期 shows ads.

### Which is updated more often, 商标买卖转让 or AI经期?

商标买卖转让 ships an update every 4 months, and AI经期 monthly. Most recently, 商标买卖转让 was updated on September 8, 2026 and AI经期 on January 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.*