Apps Like zChess Clock for iPhone and iPad
Ranked alternatives
Showing 361–380 of 1,000 ranked alternatives.



RPN-45 HD
Willy Kunz
Calculate like a scientific calculator
Simulate the HP-45 scientific calculator with photo-realistic visuals and animated keys. Perform all original functions and operations. Access a secret timer for 12-hour or 100-hour intervals. Switch to Super-45 mode for enhanced capabilities.



Sudoduel: Multiplayer Sudoku
Eric Snyder
Play , compete in real-time
Play against real opponents in real-time matches. Solve grids quickly to beat rivals. Compete in ranked matchmaking and track progress on leaderboards. Share achievements and challenge friends globally.









Black tiles - React Faster!
运杰 高
Tap , beat the clock, play music
Tap piano to test reflexes and rhythm in fast-paced, music-driven gameplay. Choose from multiple modes including Classic, Timed, and Reverse. Customize tile colors and play in preferred language. New songs are added regularly.


Big binary clock
Alexander Rutkowskij
View time in format with LED display
Display time in format using round or square LEDs. Toggle time visibility and auto lock. Choose between 12-hour and 24-hour format. Customize colors via swipe gestures and adjust brightness. Tap to hide help numbers.



How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.