Best apps like カラオケマッシュ

SAY-U

by Space Factory Inc.

Free

This app allows users to record their voices for anime and other scenarios, enabling them to collaborate with others. Users can listen to recordings, practice with scripts, and even become fans of other users' performances. It features regular updates of official content and a ranking system based on collaborations and likes.

onlylive（オンリーライブ）- オンライン通話アプリ

by TOMOYUKI MIYAMOTO

Free

Connect directly with celebrities for private one-on-one video calls. Request exclusive photos and enjoy conversations where your voice is heard. Book calls on a first-come, first-served basis.

AngryOjisan

Exciting party games

Free

A simple party game where players touch an uncle character. One uncle gets angry, and touching him means you lose. Discover hidden characters and enjoy doubled fun with more uncle types.