Math Queen / Math King vs Echo Bat

Math Queen / Math King – Master Mathematics Through Play Learning math has never been more fun! Math Queen and Math King combine mental arithmetic, logic, and concentration in an entertaining puzzle game suitable for all ages. Every game creates a brand-new set of math challenges. Some numbers are missing, and it's your job to drag the correct numbers into the right places. Complete every equation to finish the round successfully. Because the puzzles are generated again and again, every game is different and offers a fresh challenge. Features • Unlimited randomly generated math puzzles • Simple and intuitive drag-and-drop controls • Practice addition, subtraction, multiplication, and division • Improves mental arithmetic and logical thinking • Enhances concentration and memory • Built-in timer to challenge yourself • Error counter to track your progress • Suitable for children, students, and adults • Perfect for learning, school, and daily brain training Whether you want to improve your math skills, keep your mind sharp, or simply enjoy solving clever number puzzles, Math Queen and Math King are the perfect companions. How fast can you solve every puzzle?

Love unique sensory experiences? Echo Bat turns your iPhone Pro into a living sonar. A ONE-OF-A-KIND TECHNOLOGY Using the LiDAR sensor in your device, Echo Bat detects obstacles around you in real time and converts them into immersive 3D spatial sound. Close your eyes, put on your headphones, and explore your environment like a real bat. Sound comes from the exact direction of objects: left, right, near or far. Your ears become your eyes. WHAT YOU DEVELOP - Spatial awareness: navigating without sight in a real environment - Auditory empathy: understanding how visually impaired people perceive the world - Active listening: decoding sounds to build a mental map - Echolocation: mastering the natural principle used by bats and dolphins - Immersive hearing: a 3D audio experience unlike anything else DESIGNED FOR EVERYONE - No ads, no hidden purchases, no data collection - Simple and intuitive interface from first use - Voice guidance for an accessible experience - Haptic feedback to reinforce spatial perception - Works completely offline HOW TO USE Hold your iPhone in front of you like a flashlight. LiDAR scans the space in real time. Nearby obstacles create fast, directional clicking sounds. Open space produces soft, calming tones. Sound comes from the exact direction of detected objects. WHY THE SCREEN GOES BLACK The screen turns black for total immersion. Without visual distraction, your brain fully activates auditory perception. It is a sensory experience you will not forget. WHO IS IT FOR? - Curious minds of all ages fascinated by sensory technology - Families looking for an original educational experience - Science and sound physics enthusiasts - Anyone who wants to explore the world differently Download Echo Bat and discover the world with your ears. Close your eyes. The experience starts now.