# 行云加速器 vs BullShield Accelerator

The clearest difference is in-app purchases: BullShield Accelerator at none against 行云加速器's 7. 行云加速器's advantage is ads (none vs shown) and update cadence (monthly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 行云加速器 sells 7 in-app purchases, starting at $4.99 per month. BullShield Accelerator asks for nothing beyond the download.

行云加速器 ships an update monthly, BullShield Accelerator every 2 months. The most recent releases landed on September 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 行云加速器 | BullShield Accelerator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Size | 61 MB | 88 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan Zhenglaiyuan Technology Co., Ltd.](https://appshunter.io/developer/1837592362) | [MSD GRADNJA DOO](https://appshunter.io/developer/1891724676) |

## What reviewers say

### 行云加速器

[App page](https://appshunter.io/ios/app/vpn/id6751933882)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $4.99 | per month |
| 连接包季 | $12.99 | per 3 months |
| 连续包年 | $39.99 | per year |
| 会员一个月 | $4.99 | one-time |
| 会员三个月 | $14.99 | one-time |
| 会员六个月 | $29.99 | one-time |
| 会员一年 | $49.99 | one-time |


### BullShield Accelerator

[App page](https://appshunter.io/ios/app/bullshield-accelerator/id6761840006)

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

**In-app purchases:** none


## Frequently asked questions

### Is 行云加速器 free?

行云加速器 is free to download, with in-app purchases available.

### Is BullShield Accelerator free?

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

### Do 行云加速器 or BullShield Accelerator have ads?

BullShield Accelerator shows ads; 行云加速器 does not.

### Which is updated more often, 行云加速器 or BullShield Accelerator?

行云加速器 ships an update monthly, and BullShield Accelerator every 2 months. Most recently, 行云加速器 was updated on September 16, 2026 and BullShield Accelerator on September 19, 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.*