# Krun vs Lullroll

The clearest difference is in-app purchases: Lullroll at none against Krun's 1. Lullroll also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.6). On price and device support there is nothing between them.

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

## The numbers

| Metric | Krun | Lullroll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/krun-spinner/id6757863339/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 3 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Shinichiro Eto](https://appshunter.io/developer/1864675097) | [Antonio J. Gonzalez](https://appshunter.io/developer/667099261) |

## What reviewers say

### Krun

[App page](https://appshunter.io/ios/app/krun-spinner/id6757863339)

Engage with a digital pinwheel that creates captivating optical illusions as it spins and slows. Customize shapes, colors, and speed for a unique visual experience. It's a simple yet mesmerizing tool for all ages.

**Highlights:** Swipe-to-spin pinwheels, Illusions appear as rotation slows, Shape, color, and speed customization, Unlock all content, Remove ads

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $2.99 | one-time |


### Lullroll

[App page](https://appshunter.io/ios/app/lullroll/id6766929167)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Krun free?

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

### Is Lullroll free?

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

### Do Krun or Lullroll have ads?

Krun shows ads; Lullroll 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.*