10+ similar apps compared and reviewed
Whether you want more options like calcu or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
This app simulates various Japanese emergency vehicle sirens and voice announcements. It allows for volume adjustment of sirens and voice messages, and even lets you record custom announcements. The interface includes a flashing light effect.
This prank app simulates scanning faces and fingerprints to determine if someone is 'naughty' or 'nice'. Users can control the outcome and record their friends' reactions to share. It's designed purely for entertainment and playing jokes.
This live-streaming app focuses on global distribution of Japanese subculture. It offers unique features like real-time translation in multiple languages and engaging effects to enhance broadcasts. The platform also hosts official events and programs to entertain viewers and performers.
This app is a companion for speedcubers and Rubik's Cube enthusiasts. It offers accurate timing, detailed statistics, and a history of solve times to help users improve their skills. Its user-friendly interface allows for focused practice and breaking personal records.
Transform your phone into a realistic police siren with flashing lights and authentic sound effects. Choose from various siren sounds, adjust brightness, and even set timers for surprise pranks. Use responsibly for entertainment purposes only.
This app helps resolve disputes or make decisions by randomly selecting one person out of sixteen to face a consequence. It's a fun and simple way to decide who has to do a chore or pay a bill.
