# Moonglow vs CatKey

The clearest difference is update cadence: Moonglow at every 10 days against CatKey's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Moonglow sells 1 one-off in-app purchase and CatKey sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Moonglow ships an update every 10 days, CatKey every 2 months. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Moonglow | CatKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/moonglow-soft-night-light/id6773199829/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 4 MB |
| Requires iOS | **16.4** | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [罕天 庞](https://appshunter.io/developer/1891940924) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### Moonglow

[App page](https://appshunter.io/ios/app/moonglow-soft-night-light/id6773199829)

Transform your device into a gentle night light with adjustable brightness and calming nature sounds. Choose from three moon phases and set a timer for peaceful sleep or quiet moments.

**Highlights:** Soft moonlight with adjustable brightness, Three moon phases, Calming nature sounds (Rain, Wind, Ocean), Seamless sound loops, Adjustable timer with fade-out, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moonglow Pro | $0.99 | one-time |


### CatKey

[App page](https://appshunter.io/ios/app/catkey/id6784041022)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CatKey Pro | $3.99 | one-time |


## Frequently asked questions

### Is Moonglow free?

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

### Is CatKey free?

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

### Do Moonglow or CatKey have ads?

Neither Moonglow nor CatKey shows ads.

### Which is updated more often, Moonglow or CatKey?

Moonglow ships an update every 10 days, and CatKey every 2 months. Most recently, Moonglow was updated on October 18, 2026 and CatKey on October 4, 2026.

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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.*