Müller vs Graintouch Pro

Here’s the English translation: This app is a convenient tool for easily experimenting with the Müller-Lyer illusion. No special equipment or paper is needed—just your smartphone to experience the fascinating world of optical illusions. Key Features: Super easy to use! Perfect for classroom lessons and scientific experiments. Record illusion experiments in sets of 10 trials Ideal for group projects and individual research. Scientific data recording Simply tap where the horizontal lines of outward- and inward-facing figures "appear equal"! The recorded illusion magnitude (in pixels) is helpful for comparisons in subsequent experiments. Randomized display of ascending and descending series The order of ascending and descending series is randomized, ensuring unbiased data collection. Clear display of initial conditions The app displays the starting position and other conditions at the beginning of each trial, making it convenient for analysis and retrying experiments. Data saved securely on your device All experiment results are safely stored on your smartphone. Data management is simple, and retrying is effortless! Learn while having fun! Explore the mysteries of optical illusions while improving observation and analytical skills. This app is enjoyable for students, educators, psychology enthusiasts, and anyone curious about the science of perception. Download now and take your first step into the world of science!

Graintouch Pro is a professional 2D CAD drawing tool designed for iOS. Whether you're an engineer, architect, designer, or hobbyist, Graintouch Pro provides powerful yet intuitive tools to create precise technical drawings on your iPad or iPhone. KEY FEATURES: • Professional Drawing Tools - Line, Circle, Rectangle, Ellipse - Freehand brush for sketching - Polyline for complex shapes - Text annotation with customizable fonts • Precision & Control - Pinch to zoom (5% - 2000%) - Pan and navigate large drawings - Grid snap for accurate placement - Coordinate display (X, Y) • Layer Management - Multiple layers support - Show/hide layers - Organize complex drawings • Customization - Stroke and fill colors - Line width adjustment - Multiple line styles (Solid, Dashed, Dotted, Dash-Dot) • File Operations - Save drawings to gallery - Export to JSON format - Import existing drawings - Undo/Redo support • Dark Theme - Modern glassmorphism UI - Easy on the eyes for long sessions - Professional dark canvas Perfect for: - Technical illustrations - Floor plans and layouts - Mechanical drawings - Electrical schematics - Concept sketches - Educational purposes Download Graintouch Pro today and start creating professional CAD drawings anywhere!