# VLEN vs KZJ

The clearest difference is update cadence: KZJ at every 6 weeks against VLEN's every 12 months. 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.

VLEN ships an update every 12 months, KZJ every 6 weeks. The most recent releases landed on June 2, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | VLEN | KZJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vlen/id6460819259/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 58 MB | 65 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [扬州威能](https://appshunter.io/developer/1053644536) | [Zhongshan Kangzhijie Electrical Appliances Co., Ltd.](https://appshunter.io/developer/1798975427) |

## What reviewers say

### VLEN

[App page](https://appshunter.io/ios/app/vlen/id6460819259)

Control and manage smart home devices from various brands with this comprehensive app. It enables remote operation, intelligent scene creation, and home sharing for a connected living experience. Supports voice commands and multiple languages.

**Highlights:** Remote device control, Intelligent scene linkage, Multi-brand compatibility, Home sharing, Voice control integration, Multilingual support

**Features:** macOS Compatibility

**In-app purchases:** none


### KZJ

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

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

**In-app purchases:** none


## Frequently asked questions

### Is VLEN free?

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

### Is KZJ free?

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

### Do VLEN or KZJ have ads?

Neither VLEN nor KZJ shows ads.

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

VLEN ships an update every 12 months, and KZJ every 6 weeks. Most recently, VLEN was updated on June 2, 2026 and KZJ on September 19, 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.*