# Spinner Speed vs Krun

The clearest difference is in-app purchases: Spinner Speed at none against Krun's 1. Spinner Speed also leads on ads (none vs shown) and iOS requirement (10.0 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. Spinner Speed asks for nothing beyond the download.

## The numbers

| Metric | Spinner Speed | Krun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/krun-spinner/id6757863339/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 6 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Wendler](https://appshunter.io/developer/601887985) | [Shinichiro Eto](https://appshunter.io/developer/1864675097) |

## What reviewers say

### Spinner Speed

[App page](https://appshunter.io/ios/app/spinner-speed/id1280854655)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Spinner Speed free?

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

### Is Krun free?

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

### Do Spinner Speed or Krun have ads?

Krun shows ads; Spinner Speed 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.*