# Katch vs Klight

The clearest difference is update cadence: Katch at monthly against Klight's every 23 months. Klight's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Katch ships an update monthly, Klight every 23 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Katch | Klight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/klight/id1468830443/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 23 months |
| Monetization | — | Free |
| Size | 151 MB | 41 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Katch (HK) Limited](https://appshunter.io/developer/1438385381) | [Lumic Technology Inc.](https://appshunter.io/developer/1109453528) |

## What reviewers say

### Katch

[App page](https://appshunter.io/ios/app/katch/id1438385382)

**Features:** macOS Compatibility

**In-app purchases:** none


### Klight

[App page](https://appshunter.io/ios/app/klight/id1468830443)

This app connects fans to exclusive updates and merchandise for a popular Hong Kong artist. It also allows for personalized control of a special light stick, offering a wide range of color and pattern options for both home use and synchronized fan events.

**Highlights:** Artist information and updates, Exclusive fan content, Customizable light stick control, 16 million color options, Real-time light effect editing, Synchronized fan event lighting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Katch free?

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

### Is Klight free?

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

### Do Katch or Klight have ads?

Neither Katch nor Klight shows ads.

### Which is updated more often, Katch or Klight?

Katch ships an update monthly, and Klight every 23 months. Most recently, Katch was updated on October 5, 2026 and Klight on October 7, 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.*