# 积墨投屏 vs 投屏助手

The clearest difference is in-app purchases: 积墨投屏 at none against 投屏助手's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 投屏助手 sells 6 in-app purchases, starting at $0.99 per 7 days. 积墨投屏 asks for nothing beyond the download.

积墨投屏 ships an update every 3 months, 投屏助手 every 4 months. Both last shipped on September 7, 2026.

## The numbers

| Metric | 积墨投屏 | 投屏助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 48 MB | 29 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Small Fire Network Technology Co., Ltd.](https://appshunter.io/developer/1106805320) | [伊凡 马](https://appshunter.io/developer/1804172759) |

## What reviewers say

### 积墨投屏

[App page](https://appshunter.io/ios/app/id6448000400)

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

**In-app purchases:** none


### 投屏助手

[App page](https://appshunter.io/ios/app/and/id6739403795)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 鸣思投屏助手:周度高级权限服务订阅 | $0.99 | per 7 days |
| 鸣思投屏助手:季度高级权限服务订阅 | $3.99 | per 3 months |
| 鸣思投屏助手:周度高级权限订阅 | $3.99 | per 7 days |
| 投屏助手：高级服务权限周度订阅 | $4.99 | per 7 days |
| 鸣思投屏助手:季度高级权限订阅 | $24.99 | per 3 months |
| 投屏助手：高级服务权限季度订阅 | $29.99 | per 3 months |


## Frequently asked questions

### Is 积墨投屏 free?

积墨投屏 is free to download, with no in-app purchases.

### Is 投屏助手 free?

投屏助手 is free to download, with in-app purchases available.

### Do 积墨投屏 or 投屏助手 have ads?

Neither 积墨投屏 nor 投屏助手 shows ads.

### Which is updated more often, 积墨投屏 or 投屏助手?

积墨投屏 ships an update every 3 months, and 投屏助手 every 4 months. Most recently, 积墨投屏 was updated on September 7, 2026 and 投屏助手 on September 7, 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.*