# LAVIEN vs LKB

The clearest difference is update cadence: LAVIEN at every 5 weeks against LKB's every 5 months. LKB's advantage is iOS requirement (14.0 vs 16.0). On price 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.

LAVIEN ships an update every 5 weeks, LKB every 5 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | LAVIEN | LKB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Size | 75 MB | 70 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [PS International](https://appshunter.io/developer/1389707172) | [boyoung kim](https://appshunter.io/developer/1749235820) |

## What reviewers say

### LAVIEN

[App page](https://appshunter.io/ios/app/lavien/id1528928904)

**Features:** Vision Pro support

**In-app purchases:** none


### LKB

[App page](https://appshunter.io/ios/app/lkb/id6503432974)

**In-app purchases:** none


## Frequently asked questions

### Is LAVIEN free?

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

### Is LKB free?

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

### Which is updated more often, LAVIEN or LKB?

LAVIEN ships an update every 5 weeks, and LKB every 5 months. Most recently, LAVIEN was updated on November 3, 2026 and LKB on October 27, 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.*