# KZJ vs HaloLight

The clearest difference is iOS requirement: KZJ at 12.4 against HaloLight's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

KZJ ships an update every 6 weeks, HaloLight every 3 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | KZJ | HaloLight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 65 MB | 41 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Zhongshan Kangzhijie Electrical Appliances Co., Ltd.](https://appshunter.io/developer/1798975427) | [Changsha LeadYou Technology Co., Ltd.](https://appshunter.io/developer/1841186373) |

## What reviewers say

### KZJ

[App page](https://appshunter.io/ios/app/kzj/id6742648445)

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

**In-app purchases:** none


### HaloLight

[App page](https://appshunter.io/ios/app/halolight/id6752820109)

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

**In-app purchases:** none


## Frequently asked questions

### Is KZJ free?

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

### Is HaloLight free?

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

### Do KZJ or HaloLight have ads?

Neither KZJ nor HaloLight shows ads.

### Which is updated more often, KZJ or HaloLight?

KZJ ships an update every 6 weeks, and HaloLight every 3 months. Most recently, KZJ was updated on October 6, 2026 and HaloLight on October 5, 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.*