# PREAMP X7 vs JAM BUDDY II

The clearest difference is iOS requirement: PREAMP X7 at 9.0 against JAM BUDDY II's 12.0. On price, update cadence, ads 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.

PREAMP X7 ships an update every 9 months, JAM BUDDY II every 12 months. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PREAMP X7 | JAM BUDDY II |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/preamp-x7/id1472308983/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 12 months |
| Monetization | Free | — |
| Size | 12 MB | 28 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [mooer](https://appshunter.io/developer/1384361853) | [Changsha Melofty Audio Technology Co., Ltd.](https://appshunter.io/developer/1752047040) |

## What reviewers say

### PREAMP X7

[App page](https://appshunter.io/ios/app/preamp-x7/id1472308983)

This karaoke effects processor offers independent control over various audio parameters. It features dual DSP processors, multiple input options including Bluetooth, and advanced microphone and output channel adjustments. Save and manage up to 20 presets for a customized audio experience.

**Highlights:** Dual DSP processors, Bluetooth audio playback and control, Independent audio input channels, 15-band EQ for microphone input, Compression and delay effects, 20 programmable preset slots, Computer software editor

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

**In-app purchases:** none


### JAM BUDDY II

[App page](https://appshunter.io/ios/app/jam-buddy-ii/id6504378648)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PREAMP X7 free?

PREAMP X7 is free to download, with no in-app purchases.

### Is JAM BUDDY II free?

JAM BUDDY II is free to download, with no in-app purchases.

### Do PREAMP X7 or JAM BUDDY II have ads?

Neither PREAMP X7 nor JAM BUDDY II shows ads.

### Which is updated more often, PREAMP X7 or JAM BUDDY II?

PREAMP X7 ships an update every 9 months, and JAM BUDDY II every 12 months. Most recently, PREAMP X7 was updated on October 22, 2026 and JAM BUDDY II on October 7, 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.*