# Hook Chain vs Double Hole

The clearest difference is in-app purchases: Double Hole at none against Hook Chain's 7. Hook Chain's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hook Chain sells 7 one-off in-app purchases. Double Hole asks for nothing beyond the download.

## The numbers

| Metric | Hook Chain | Double Hole |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | — |
| Size | 272 MB | 182 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CLOUDPOP](https://appshunter.io/developer/1883947897) | [Roman Gangan](https://appshunter.io/developer/1244606610) |

## What reviewers say

### Hook Chain

[App page](https://appshunter.io/ios/app/hook-chain/id6811930738)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 01 | $1.99 | one-time |
| Coin Pack 02 | $7.99 | one-time |
| No Ads | $7.99 | one-time |
| Coin Pack 03 | $14.99 | one-time |
| Coin Pack 04 | $29.99 | one-time |
| Coin Pack 05 | $54.99 | one-time |
| Coin Pack 06 | $99.99 | one-time |


### Double Hole

[App page](https://appshunter.io/ios/app/double-hole/id6815574822)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hook Chain free?

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

### Is Double Hole free?

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

### Do Hook Chain or Double Hole have ads?

Double Hole shows ads; Hook Chain 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.*