PREAMP X7 vs JAM BUDDY II
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PREAMP X7
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.
- 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
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◆此产品是具有音响处理器功能的卡拉OK效果器。每个部分都可独立调节。 ◆采用24Bit数据总线和32Bit双DSP处理器。 ◆音乐输入通道支持两路RCA（莲花头）立体声输入及蓝牙播放并设有7段均衡调节。 ◆麦克风通道设有压限、反馈抑制及15段均衡调节。 ◆主输出通道设有压限、通道延时、5段均衡调节和音乐、麦克风、效果音量调节。 ◆中置 后置输出设有压限、通道输出延时、3段均衡调节和音乐、麦克风、效果音量调节。 ◆超低音输出设有压缩、通道输出延时、高低通滤波器3段均衡调节和音乐、麦克风、效果音量调节。 ◆可以储存20种模式并支持电脑导入导出，多台机器同时使用同一模式文件。 ◆内设用户和管理者模式 ，用户模式在调节参数后提供临时保存。 ◆中英文显示切换。 ◆电脑软件控制精细参数。 ◆蓝牙手机播放及APP蓝牙手机控制参数。 ◆可以通过电脑软件“自动键盘锁功能”限制 。 ◆5.1声道环绕立体声。 ◆一键自动防啸叫功能让您“唱”通无阻。 ◆Complete microphone amplifier system ◆24 Bit data bus, 32 Bit dual DSP processor ◆Two individual audio inputs with Bluetooth and a 7-band EQ ◆Feedback function and 15-band EQ in Microphone input ◆Built-in compression, delay, 5-band EQ, 5-band EQ, audio leveler, and effects via microphone output. ◆20 preset slots. Allow users to import/export presets via computer software ◆Administrator mode and user mode ◆EN/CN UI available ◆Computer software editor and automatic lock function ◆Bluetooth audio playback. Controlling your PREAMP X7 via smart phone application ◆FL, FR, CEN, RL, RR, SW stereo output ◆One-touch feedback reduction button
JAM BUDDY II
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JAM BUDDY is a versatile 3-in-1 desktop smart amp, it adopts stereo design.40W, delivering fabulous tone and dynamic for both music playing and jamming.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PREAMP X7 | JAM BUDDY II |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 12 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | mooer | Changsha Melofty Audio Technology Co., Ltd. |
In-app purchases
PREAMP X7
No in-app purchases
JAM BUDDY II
No in-app purchases
