# KK英语 vs i2 Go

The clearest difference is update cadence: i2 Go at weekly against KK英语's every 2 months. KK英语's advantage is iOS requirement (12.0 vs 15.0). 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.

KK英语 ships an update every 2 months, i2 Go weekly. The most recent releases landed on October 18, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KK英语 | i2 Go |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 54 MB | 104 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [aizhudou](https://appshunter.io/developer/1460752682) | [成都艾途教育科技有限公司](https://appshunter.io/developer/1151266169) |

## What reviewers say

### KK英语

[App page](https://appshunter.io/ios/app/kk/id1502221947)

**Features:** macOS Compatibility

**In-app purchases:** none


### i2 Go

[App page](https://appshunter.io/ios/app/i2-go/id6553980817)

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

**In-app purchases:** none


## Frequently asked questions

### Is KK英语 free?

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

### Is i2 Go free?

i2 Go is free to download, with no in-app purchases.

### Do KK英语 or i2 Go have ads?

Neither KK英语 nor i2 Go shows ads.

### Which is updated more often, KK英语 or i2 Go?

KK英语 ships an update every 2 months, and i2 Go weekly. Most recently, KK英语 was updated on October 18, 2026 and i2 Go on October 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.*