# Combinatoria vs ClusterSum

The clearest difference is in-app purchases: Combinatoria at none against ClusterSum's 10. ClusterSum's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ClusterSum sells 10 one-off in-app purchases. Combinatoria asks for nothing beyond the download.

## The numbers

| Metric | Combinatoria | ClusterSum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Size | 77 MB | 10 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Rebrov](https://appshunter.io/developer/1718915438) | [Snake Johns](https://appshunter.io/developer/1876441740) |

## What reviewers say

### Combinatoria

[App page](https://appshunter.io/ios/app/combinatoria/id6755707764)

**Features:** macOS Compatibility

**In-app purchases:** none


### ClusterSum

[App page](https://appshunter.io/ios/app/clustersum/id6759361328)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Treasure Bag | $4.99 | one-time |
| Santa's Coin Sack | $4.99 | one-time |
| Vault Drop | $9.99 | one-time |
| Holiday Weekend Boost | $9.99 | one-time |
| Long Weekend Vault | $19.99 | one-time |
| North Pole Mega Chest | $19.99 | one-time |
| King's Reserve | $29.99 | one-time |
| Royal Hoard | $49.99 | one-time |
| Imperial Vault | $79.99 | one-time |
| Mega Pack | $99.99 | one-time |


## Frequently asked questions

### Is Combinatoria free?

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

### Is ClusterSum free?

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

### Do Combinatoria or ClusterSum have ads?

Combinatoria shows ads; ClusterSum 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.*