# IGO Academy vs Undermine

The clearest difference is ads: IGO Academy at none against Undermine's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. IGO Academy sells 3 one-off in-app purchases and Undermine sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | IGO Academy | Undermine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Size | 7 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BUDDY CHRISTOPHER KINDER](https://appshunter.io/developer/6772988924) | [Sui Pan WAN](https://appshunter.io/developer/6817616915) |

## What reviewers say

### IGO Academy

[App page](https://appshunter.io/ios/app/igo-academy/id6807056348)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Stone | $0.99 | one-time |
| Buy Me a Goban | $2.99 | one-time |
| Sponsor an Update | $4.99 | one-time |


### Undermine

[App page](https://appshunter.io/ios/app/undermine-four-in-a-row/id6817616913)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is IGO Academy free?

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

### Is Undermine free?

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

### Do IGO Academy or Undermine have ads?

Undermine shows ads; IGO Academy does not.

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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.*