# PERC vs 伴鱼卓越英语

The clearest difference is update cadence: 伴鱼卓越英语 at every 10 days against PERC's every 3 weeks. PERC's advantage is iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PERC ships an update every 3 weeks, 伴鱼卓越英语 every 10 days. The most recent releases landed on September 10, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | PERC | 伴鱼卓越英语 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 50 MB | 228 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市好学多科技有限公司](https://appshunter.io/developer/1568037324) | [Wuhan Qinxuan Technology Co., LTD](https://appshunter.io/developer/1656027724) |

## What reviewers say

### PERC

[App page](https://appshunter.io/ios/app/perc/id1575353864)

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

**In-app purchases:** none


### 伴鱼卓越英语

[App page](https://appshunter.io/ios/app/id6749689653)

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

**In-app purchases:** none


## Frequently asked questions

### Is PERC free?

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

### Is 伴鱼卓越英语 free?

伴鱼卓越英语 is free to download, with no in-app purchases.

### Do PERC or 伴鱼卓越英语 have ads?

Neither PERC nor 伴鱼卓越英语 shows ads.

### Which is updated more often, PERC or 伴鱼卓越英语?

PERC ships an update every 3 weeks, and 伴鱼卓越英语 every 10 days. Most recently, PERC was updated on September 10, 2026 and 伴鱼卓越英语 on September 5, 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.*