# DB12 vs MU

The clearest difference is update cadence: MU at every 3 days against DB12's every 2 months. MU also leads on iOS requirement (9.0 vs 12.0). 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.

DB12 ships an update every 2 months, MU every 3 days. The most recent releases landed on September 13, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | DB12 | MU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 6 MB | 17 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIMIX Audio System Equipment Co., Ltd.](https://appshunter.io/developer/1231328086) | [浩明 甄](https://appshunter.io/developer/6779027894) |

## What reviewers say

### DB12

[App page](https://appshunter.io/ios/app/db12/id6743044744)

**Features:** macOS Compatibility

**In-app purchases:** none


### MU

[App page](https://appshunter.io/ios/app/mu-22/id6786191145)

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

**In-app purchases:** none


## Frequently asked questions

### Is DB12 free?

DB12 is free to download, with no in-app purchases.

### Is MU free?

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

### Do DB12 or MU have ads?

Neither DB12 nor MU shows ads.

### Which is updated more often, DB12 or MU?

DB12 ships an update every 2 months, and MU every 3 days. Most recently, DB12 was updated on September 13, 2026 and MU on August 23, 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.*