# Sixfast vs 嗨格式音频转换器

The clearest difference is device support: Sixfast at 4 against 嗨格式音频转换器's 2. 嗨格式音频转换器's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sixfast sells 7 in-app purchases, starting at $6.99 per month and 嗨格式音频转换器 sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sixfast | 嗨格式音频转换器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (239 ratings)](https://appshunter.io/ios/app/sixfast/id1511888409/reviews)** | — |
| Number of ratings | **239** | — |
| Positive reviews | 76.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 160 MB | 126 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Chengdu Chaoyoumao Technology Co.,Ltd](https://appshunter.io/developer/1539126185) | [Suzhou Aunbox Software Co., Ltd.](https://appshunter.io/developer/1123570308) |

## 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 (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP连续包月 | $6.99 | per month |
| VIP包月套餐 | $7.49 | per month |
| VIP连续包月 | $7.79 | per month |
| SVIP连续包月 | $11.99 | per month |
| SVIP连续包月 | $12.49 | per month |
| VIP月卡 | $7.99 | one-time |
| SVIP月卡 | $12.99 | 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


### 嗨格式音频转换器

[App page](https://appshunter.io/ios/app/id6759691994)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $4.99 | per month |
| 3天会员 | $5.99 | one-time |
| 年度会员 | $7.99 | one-time |
| 终身会员 | $14.99 | one-time |


## Frequently asked questions

### Is Sixfast free?

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

### Is 嗨格式音频转换器 free?

嗨格式音频转换器 is free to download, with in-app purchases available.

### Do Sixfast or 嗨格式音频转换器 have ads?

Neither Sixfast nor 嗨格式音频转换器 shows ads.

### Which is updated more often, Sixfast or 嗨格式音频转换器?

Sixfast ships an update every 3 weeks, and 嗨格式音频转换器 every 3 weeks. Most recently, Sixfast was updated on November 10, 2026 and 嗨格式音频转换器 on October 28, 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.*