# Sixfast vs 黑剑

The clearest difference is in-app purchases: 黑剑 at none against Sixfast's 29. Sixfast's advantage is ads (none vs shown) and device support (4 vs 2). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Sixfast sells 20 in-app purchases, starting at $5.99 per month. 黑剑 asks for nothing beyond the download.

Sixfast ships an update every 3 weeks, 黑剑 every 5 weeks. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sixfast | 黑剑 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (233 ratings)](https://appshunter.io/ios/app/sixfast/id1511888409/reviews)** | — |
| Number of ratings | **233** | — |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 160 MB | 166 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Chengdu Chaoyoumao Technology Co.,Ltd](https://appshunter.io/developer/1539126185) | [Dongguan Decai Electronics Technology Co.,Ltd](https://appshunter.io/developer/1030969353) |

## What reviewers say

### Sixfast

[App page](https://appshunter.io/ios/app/sixfast/id1511888409)

This app provides professional network acceleration for overseas Chinese, students, and workers. It resolves high latency issues when accessing domestic Chinese networks, ensuring smooth streaming, music listening, and gaming experiences.

**Highlights:** Accelerate domestic video platforms, Stream music and live content, Dedicated lines for Chinese game servers, Multi-device compatibility, Smart traffic routing, Low latency for popular games

**Features:** Vision Pro support

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SVIP连续包月 | $5.99 | per month |
| VIP连续包月 | $6.99 | per month |
| VIP会员-连续包月 | $7.49 | per month |
| VIP会员-连续包月套餐 | $7.49 | per month |
| 日常VIP连续包月 | $7.49 | per month |
| VIP包月套餐 | $7.49 | per month |
| VIP连续包月 | $7.79 | per month |
| VIP连续包月 | $7.99 | per month |
| SVIP连续包月 | $9.99 | per month |
| SVIP免费30天 | $9.99 | per month |
| SVIP连续包月 | $11.99 | per month |
| SVIP免费30天 | $11.99 | per month |
| SVIP连续包月 | $12.49 | per month |
| 日常SVIP连续包月 | $12.49 | per month |
| SVIP连续包月 | $12.49 | per month |
| SVIP连续包月 | $12.99 | per month |
| VIP月卡 | $7.99 | one-time |
| VIP会员-月卡 | $8.99 | one-time |
| SVIP月卡 | $12.99 | one-time |
| VIP双月卡 | $14.99 | one-time |

**What reviewers like**

- 🚀 Fast and stable connection
- 👍 Solves region restrictions
- 🎮 Improves gaming performance
- 📺 Enables access to domestic content
- 🎵 Unblocks music streaming

**What reviewers complain about**

- 📉 Increased latency for some users
- 💸 Expensive pricing
- ❌ Inconsistent performance
- 🚫 Not working for certain games/apps
- ⚠️ Login issues

**Reported bugs**

- Cannot connect on mobile
- Slow internet speed after connection
- Game acceleration not working after updates
- Login failures with WeChat
- Subscription not recognized

**Requested features**

- Add more supported games/apps
- Improve desktop client functionality
- Offer more flexible pricing options
- Increase server stability in certain regions
- Add landscape mode support


### 黑剑

[App page](https://appshunter.io/ios/app/id1604693328)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sixfast free?

Sixfast is free to download, with in-app purchases available.

### Is 黑剑 free?

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

### Do Sixfast or 黑剑 have ads?

黑剑 shows ads; Sixfast does not.

### Which is updated more often, Sixfast or 黑剑?

Sixfast ships an update every 3 weeks, and 黑剑 every 5 weeks. Most recently, Sixfast was updated on October 27, 2026 and 黑剑 on October 17, 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.*