# ReverseVoice vs Sixfast

The clearest difference is rating: ReverseVoice at 5.0 against Sixfast's 4.4. ReverseVoice also leads on in-app purchases (none vs 28) and update cadence (every 2 days vs every 3 weeks). Sixfast's advantage is ratings volume (223 vs 6). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Sixfast sells 19 in-app purchases, starting at $5.99 per month. ReverseVoice asks for nothing beyond the download.

ReverseVoice holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Sixfast has 223 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 83% of ReverseVoice's written reviews are positive against 76% of Sixfast's.

ReverseVoice ships an update every 2 days, Sixfast every 3 weeks. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ReverseVoice | Sixfast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/reversevoice/id1488625144/reviews)** | [4.4 (223 ratings)](https://appshunter.io/ios/app/sixfast/id1511888409/reviews) |
| Number of ratings | 6 | **223** |
| Positive reviews | **83.3% of reviews** | 76.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 156 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 9+ | 4+ |
| Developer | [浩川 陈](https://appshunter.io/developer/1469896808) | [Chengdu Chaoyoumao Technology Co.,Ltd](https://appshunter.io/developer/1539126185) |

## What reviewers say

### ReverseVoice

[App page](https://appshunter.io/ios/app/reversevoice/id1488625144)

Record audio and quickly generate reversed versions for fun challenges. This tool allows you to save your recordings and share them easily, perfect for unique social gatherings.

**Highlights:** Record audio, Generate reversed audio, Save recording history, Quick sharing

**In-app purchases:** none


### 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 (19)**

| 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 |
| 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


## Frequently asked questions

### Is ReverseVoice free?

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

### Is Sixfast free?

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

### Which has better reviews, ReverseVoice or Sixfast?

ReverseVoice is rated higher. ReverseVoice averages 5.0 out of 5 from 6 ratings, while Sixfast averages 4.4 from 223 ratings.

### Do ReverseVoice or Sixfast have ads?

Neither ReverseVoice nor Sixfast shows ads.

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

ReverseVoice ships an update every 2 days, and Sixfast every 3 weeks. Most recently, ReverseVoice was updated on September 26, 2026 and Sixfast on September 30, 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.*