Überdoodle vs SpiroDesigner

Thanks for all the amazing feedback - we just love to hear your thoughts, comments and ideas! Überdoodle: Remember the good old spirograph toy? Get nostalgic with this classic spiral drawing tool. Great for children too! The box contains lots of colorful gears, rings and pencils - including a MAGIC rainbow pen - and an unlimited supply of (virtual) paper! Draw beautiful patterns using the gears or simply paint directly on the paper using your finger. Share your doodles to family and friends - or save them and use them as beautiful wallpapers for your iPad, iPhone or iPod Touch. Features: • A Gear Factory where you can create custom gears and rings • Multiple drawing modes: calligraphy pen, celtic braids and multicolor gradients by selecting up to three pencils at the same time • Import photos from your Photo Library • Snap to previous drawing locations • Support for the Apple Pencil. Change calligraphy angle by tilting the pen. • Draw both hypotrochoids and epitrochoids (gears inside a ring or gears on the outside of another gear) • Different paper types and multiple background colors • Eraser and full undo/redo • Change the sizes of gears and rings

SpiroDesigner is an app which can draw a beautiful geometrical pattern like the classic toy, SpiroGraph . With this app, you will be able to easily design attractive and complicated works of art. SpiroDesigner is also a good tool to draw a cycloid curve or a trochoid curve which is known in the field of mathematics. Therefore, this app will help mathematical lovers, teachers and students to understand these mathematical figures. FEATURES: - Undo,Redo - Draw epicycloid,hypocycloid,epitrochoid,hypotrochoid - Select radius of circles, line thickness, position of the pen, scale - Select color - Edit curves(rotation, scale, color, line thickness,color) - Save drawing data - Save PNG images to camera roll - Load,Import - Export to iTunes - Automatic drawing mode - Function to randomize settings - Tutorial Videos and many more…