# 外研壹佳UNICLUB vs i2 Go

The clearest difference is in-app purchases: i2 Go at none against 外研壹佳UNICLUB's 1. i2 Go also leads on update cadence (every 6 days vs every 5 weeks). 外研壹佳UNICLUB's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 外研壹佳UNICLUB sells 1 one-off in-app purchase. i2 Go asks for nothing beyond the download.

外研壹佳UNICLUB ships an update every 5 weeks, i2 Go every 6 days. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 外研壹佳UNICLUB | i2 Go |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Size | 114 MB | 98 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [E PLUS](https://appshunter.io/developer/1403419055) | [Chengdu Aitu Education Technology Co., Ltd.](https://appshunter.io/developer/1151266169) |

## What reviewers say

### 外研壹佳UNICLUB

[App page](https://appshunter.io/ios/app/uniclub/id1615044327)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 外研壹佳UNICLUB会员文创礼包 | $299.99 | one-time |


### i2 Go

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 外研壹佳UNICLUB free?

外研壹佳UNICLUB is free to download, with in-app purchases available.

### Is i2 Go free?

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

### Do 外研壹佳UNICLUB or i2 Go have ads?

i2 Go shows ads; 外研壹佳UNICLUB does not.

### Which is updated more often, 外研壹佳UNICLUB or i2 Go?

外研壹佳UNICLUB ships an update every 5 weeks, and i2 Go every 6 days. Most recently, 外研壹佳UNICLUB was updated on September 17, 2026 and i2 Go on September 13, 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.*