# 擎天柱Cloud vs 77电脑助手

The clearest difference is in-app purchases: 擎天柱Cloud at none against 77电脑助手's 5. 擎天柱Cloud also leads on ads (none vs shown) and iOS requirement (10.0 vs 12.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 77电脑助手 sells 5 one-off in-app purchases. 擎天柱Cloud asks for nothing beyond the download.

擎天柱Cloud ships an update every 4 weeks, 77电脑助手 monthly. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 擎天柱Cloud | 77电脑助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Monthly |
| Size | 86 MB | 68 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [vanke](https://appshunter.io/developer/1245066763) | [开拓 蔺](https://appshunter.io/developer/1620485229) |

## What reviewers say

### 擎天柱Cloud

[App page](https://appshunter.io/ios/app/cloud/id1531318812)

**Features:** Vision Pro support

**In-app purchases:** none


### 77电脑助手

[App page](https://appshunter.io/ios/app/77/id1620485227)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 77电脑助手-周VIP | $0.99 | one-time |
| 77电脑助手-月VIP | $0.99 | one-time |
| 77电脑助手-季VIP | $2.99 | one-time |
| 77电脑助手-年VIP | $3.99 | one-time |
| 77电脑助手-永久VIP | $9.99 | one-time |


## Frequently asked questions

### Is 擎天柱Cloud free?

擎天柱Cloud is free to download, with no in-app purchases.

### Is 77电脑助手 free?

77电脑助手 is free to download, with in-app purchases available.

### Do 擎天柱Cloud or 77电脑助手 have ads?

77电脑助手 shows ads; 擎天柱Cloud does not.

### Which is updated more often, 擎天柱Cloud or 77电脑助手?

擎天柱Cloud ships an update every 4 weeks, and 77电脑助手 monthly. Most recently, 擎天柱Cloud was updated on November 7, 2026 and 77电脑助手 on November 12, 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.*