# MUST V2 vs Kim Bu

The clearest difference is update cadence: Kim Bu at every 2 days against MUST V2's fortnightly. 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.

MUST V2 ships an update fortnightly, Kim Bu every 2 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | MUST V2 | Kim Bu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 106 MB | 103 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ETT S.p.A.](https://appshunter.io/developer/353164941) | [LOAN APP, MCHJ](https://appshunter.io/developer/1760101080) |

## What reviewers say

### MUST V2

[App page](https://appshunter.io/ios/app/must-v2/id1622055968)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kim Bu

[App page](https://appshunter.io/ios/app/kim-bu/id6760314239)

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

**In-app purchases:** none


## Frequently asked questions

### Is MUST V2 free?

MUST V2 is free to download, with no in-app purchases.

### Is Kim Bu free?

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

### Do MUST V2 or Kim Bu have ads?

Neither MUST V2 nor Kim Bu shows ads.

### Which is updated more often, MUST V2 or Kim Bu?

MUST V2 ships an update fortnightly, and Kim Bu every 2 days. Most recently, MUST V2 was updated on November 7, 2026 and Kim Bu on November 9, 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.*