Karatrack

This comparison is currently available in English only.

OpenKJ Alternative

The OpenKJ alternative built for today's shows

OpenKJ earned its place: it's free, open source, and it put a real singer rotation in the hands of thousands of KJs. But development has gone quiet, and a modern show asks for more than a rotation list. Here's an honest look at how Karatrack+AI compares, including where OpenKJ still makes sense.

The short version

  • Stay with OpenKJ if you host on a Mac or Linux machine, or if free software matters more to you than new features. Karatrack+AI runs on Windows only.
  • Switch to Karatrack+AI if you want active development, singers who manage their own requests, duplicate-account protection, album art on the singer screen and a 13-language interface.
  • Both charge for the connected phone-request layer: OpenKJ's request service is a monthly subscription, and Karatrack+AI's comes through a Karameet Pro or Executive host account.

Karatrack+AI vs OpenKJ, feature by feature

功能Karatrack+AIOpenKJ
自动歌手轮换
手机点歌
场内自助点歌机
歌手自行管理自己的队列
升降调与速度控制
按歌手记忆升降调/速度
歌手屏幕显示专辑封面
调音台上按歌手记忆麦克风音量 + EQ
合并歌手的重复账号
歌手身份验证(一次性验证码)
阻止重复点歌
按设定时间/人数自动停止点歌
关注歌手、组建团体、演出签到
根据其他歌手的收藏推荐歌曲
13 种语言完整界面 + 点歌机语言切换
免费可打印歌本制作器—
  • 支持
  • 有限 / 视配置而定
  • 不支持
  • — 无公开资料

数据于 2026 年 8 月根据各厂商公开的文档、手册和应用商店信息整理。产品会不断更新——如发现过时信息,请告诉我们,我们会及时更正。产品名称为其各自所有者的商标,仅用于识别。

Where OpenKJ stands today

As of August 2026, OpenKJ's last stable desktop release dates to September 2021, its code repository shows no new commits through 2023 and 2024, and its mobile request apps were last updated in 2020. The desktop software is free under the GPL; the mobile request service is a separate paid subscription.

Software that still works isn't the same as software that's still moving. Windows updates, new file formats and changing venue needs pile up, and a dormant project can't respond to them. That's usually the moment KJs start looking around.

What changes when you switch

These are the areas where Karatrack+AI goes past what OpenKJ offers, based on OpenKJ's own documentation and source code.

Singers manage their own queue

OpenKJ requests go one way, from singer to host. With Karatrack+AI and Karameet, singers can change a song, reorder their requests, delete one, or check out without walking up to the booth.

One singer, one identity

Merge duplicate singer profiles in one click and keep their whole history, and optionally verify singers with a one-time text code so nobody games the rotation with a second name.

Request controls

Decide once whether the same song can be entered twice, and close requests automatically at a set time or count so the end of the night doesn't overflow.

Album art on the singer screen

Show karaoke manufacturer artwork and album art on the singer screen and in your library, pulled in automatically with Karatrack Library Manager.

Per-singer mic level and EQ

Set each singer's mic level and EQ on the built-in mixer, while their key, tempo and backing-vocal settings are saved to their singer history.

13 languages

The host console and Karakiosk switch between 13 languages, including Spanish, Vietnamese, Tagalog, Korean and Chinese. OpenKJ's interface is English-only.

What OpenKJ still does well

An honest comparison has two sides. OpenKJ is a solid choice if these matter most to you:

  • ✓It's free to download and use, and the source code is open
  • ✓It runs on Windows, Mac and Linux, while Karatrack+AI is Windows-only
  • ✓It covers the fundamentals: automatic rotation, key and tempo control, break music and a kiosk
  • ✓Years of real-world shows behind it

Making the switch

Karatrack+AI comes with a 14-day free trial with every feature unlocked and no credit card. The easiest way to switch is to install it on the same Windows laptop, point it at the karaoke library you already own, and run a few practice rotations before your next show. Your OpenKJ setup stays exactly where it is until you're ready.

One Karatrack+AI license activates two computers, so your backup rig is covered from day one.

OpenKJ alternative: common questions

+Is OpenKJ still being developed?

As of August 2026, OpenKJ's last stable release was in September 2021, and its public code repository showed no new commits during 2023 and 2024. The software still runs, but it isn't receiving new features.

+Is Karatrack+AI free like OpenKJ?

No. Karatrack+AI is a one-time purchase with no subscription for the host software itself. You can try every feature free for 14 days with no credit card.

+Does Karatrack+AI run on Mac or Linux?

No. Karatrack+AI is a Windows desktop application for Windows 10 and Windows 11. If you host on a Mac or Linux machine, OpenKJ remains the better fit for now.

+Can I use the karaoke files I already have?

Yes. Karatrack+AI plays the library you already own. Pairing it with Karatrack Library Manager adds clean metadata, album art, genres, years and lyric ratings.

+Do singers need an app to send requests?

Singers can request from the free Karameet app or from an in-venue Karakiosk. Remote requests require a Karameet Pro or Executive host account connected to Karatrack+AI.

Try Karatrack+AI free for 14 days

Every feature unlocked, no credit card. Run it alongside OpenKJ and decide at your own pace.