# miniDSP BT Update vs SUBAMPBT

The clearest difference is update cadence: SUBAMPBT at every 3 days against miniDSP BT Update's monthly. SUBAMPBT also leads on iOS requirement (13.0 vs 15.0). 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.

miniDSP BT Update ships an update monthly, SUBAMPBT every 3 days. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | miniDSP BT Update | SUBAMPBT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 6 MB | 18 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [miniDSP Ltd](https://appshunter.io/developer/945240203) | [Formosa Audiomate](https://appshunter.io/developer/989721407) |

## What reviewers say

### miniDSP BT Update

[App page](https://appshunter.io/ios/app/minidsp-bt-update/id6749021623)

**Features:** macOS Compatibility

**In-app purchases:** none


### SUBAMPBT

[App page](https://appshunter.io/ios/app/subampbt-1/id6776954079)

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

**In-app purchases:** none


## Frequently asked questions

### Is miniDSP BT Update free?

miniDSP BT Update is free to download, with no in-app purchases.

### Is SUBAMPBT free?

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

### Do miniDSP BT Update or SUBAMPBT have ads?

Neither miniDSP BT Update nor SUBAMPBT shows ads.

### Which is updated more often, miniDSP BT Update or SUBAMPBT?

miniDSP BT Update ships an update monthly, and SUBAMPBT every 3 days. Most recently, miniDSP BT Update was updated on September 22, 2026 and SUBAMPBT on September 13, 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.*