KaraokeParty.com is an online karaoke platform that allows users to sing karaoke with friends and family in a virtual setting. The app or website provides users with access to a library of thousands of karaoke tracks, sound effects and other features. It also offers a range of fun activities and challenges to keep everyone entertained. Users can create their own private rooms to host a karaoke party, compete against each other to win virtual prizes and even play online tournaments. KaraokeParty.com also supports multiple languages, allowing users to sing in their native language. It's an ideal way to bring people together and have a great time while singing along to your favorite songs.
It must be downloaded where Karaoke party is a website that does not.
It's free and open source. Most of the songs are free, usually the new ones and the ads are not that annoying.
It is the closest thing to a Karaoke Party (you need headphones).
You must pay and the tone of voice is not followed by notes,
Website discontinued and company site unavailable. For reference: https://www.thesun.co.uk/news/worldnews/5331072/karoke-copyright-payout-from-uk-firms/
You can't play it on your laptop
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It has the same features and is free (and open source!).