# Metronome by Allinson vs ShadowPlayKA

The clearest difference is update cadence: Metronome by Allinson at every 6 months against ShadowPlayKA's every 25 months. Metronome by Allinson also leads on device support (4 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Metronome by Allinson ships an update every 6 months, ShadowPlayKA every 25 months. The most recent releases landed on October 29, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Metronome by Allinson | ShadowPlayKA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shadowplayka/id1585959421/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 25 months |
| Monetization | Free | Free |
| Size | 10 MB | 6 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chris Allinson](https://appshunter.io/developer/363434350) | [Daniel Wilcox](https://appshunter.io/developer/970528307) |

## What reviewers say

### Metronome by Allinson

[App page](https://appshunter.io/ios/app/metronome-by-allinson/id370808511)

Maintain a steady beat with this simple metronome application. It offers sound and vibration cues to help you keep time, with additional control available via Apple Watch.

**Highlights:** Sound toggle, Vibration toggle (iPhone only), Apple Watch controller, Free to use

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

**In-app purchases:** none


### ShadowPlayKA

[App page](https://appshunter.io/ios/app/shadowplayka/id1585959421)

This app transforms light and shadow patterns into music as you cycle through outdoor spaces. It uses your smartphone's brightness sensor and a Bluetooth speaker to create a unique auditory experience based on your surroundings.

**Highlights:** Light and shadow as musical score, Bicycle-mounted smartphone sensor, Bluetooth speaker integration, Exploration of urban architecture, Unique soundscape generation

**In-app purchases:** none


## Frequently asked questions

### Is Metronome by Allinson free?

Metronome by Allinson is free to download, with no in-app purchases.

### Is ShadowPlayKA free?

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

### Do Metronome by Allinson or ShadowPlayKA have ads?

Neither Metronome by Allinson nor ShadowPlayKA shows ads.

### Which is updated more often, Metronome by Allinson or ShadowPlayKA?

Metronome by Allinson ships an update every 6 months, and ShadowPlayKA every 25 months. Most recently, Metronome by Allinson was updated on October 29, 2026 and ShadowPlayKA on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*