# Kolf vs RotaStone

The clearest difference is in-app purchases: RotaStone at none against Kolf's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kolf sells 1 one-off in-app purchase. RotaStone asks for nothing beyond the download.

## The numbers

| Metric | Kolf | RotaStone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 months |
| Size | 126 MB | 60 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ciro Manna](https://appshunter.io/developer/1461361803) | [radiuthree Co., Ltd](https://appshunter.io/developer/1158448737) |

## What reviewers say

### Kolf

[App page](https://appshunter.io/ios/app/kolf/id1617580386)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kolf - No More Ads | $1.99 | one-time |


### RotaStone

[App page](https://appshunter.io/ios/app/rotastone/id1619250280)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kolf free?

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

### Is RotaStone free?

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

### Do Kolf or RotaStone have ads?

Both Kolf and RotaStone show ads.

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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.*