# Sixfast vs 不二开黑

The clearest difference is ads: Sixfast at none against 不二开黑's shown. Sixfast also leads on device support (4 vs 2). On price, update cadence, in-app purchases 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 and 不二开黑 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sixfast ships an update every 3 weeks, 不二开黑 every 2 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sixfast | 不二开黑 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (236 ratings)](https://appshunter.io/ios/app/sixfast/id1511888409/reviews)** | — |
| Number of ratings | **236** | — |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 160 MB | 289 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Chengdu Chaoyoumao Technology Co.,Ltd](https://appshunter.io/developer/1539126185) | [Zhengzhou Junzhong Network Technology Co., Ltd](https://appshunter.io/developer/1606690053) |

## 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


### 不二开黑

[App page](https://appshunter.io/ios/app/id6443842537)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 42钻石 | $0.99 | one-time |
| 4.2金币 | $0.99 | one-time |
| 84钻 | $1.99 | one-time |
| 8.4金币 | $1.99 | one-time |
| 126钻石 | $2.99 | one-time |
| 12.6金币 | $2.99 | one-time |
| 210钻石 | $4.99 | one-time |
| 21金币 | $4.99 | one-time |


## Frequently asked questions

### Is Sixfast free?

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

### Is 不二开黑 free?

不二开黑 is free to download, with in-app purchases available.

### Do Sixfast or 不二开黑 have ads?

不二开黑 shows ads; Sixfast does not.

### Which is updated more often, Sixfast or 不二开黑?

Sixfast ships an update every 3 weeks, and 不二开黑 every 2 weeks. Most recently, Sixfast was updated on October 29, 2026 and 不二开黑 on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*