Animator Plus vs Rotation

Animator Plus is a powerful drawing and frame-by-frame animation studio built natively for iPad and iPhone. Sketch, paint, and bring stories to life on a buttery-smooth Metal-powered canvas — with pro brushes, a full animation timeline, layers, sound sync, and one-tap export to MP4, image sequences, PNG, or JPG. Whether you are a hobbyist doodler, a storyboard artist, a cartoonist, or an animator chasing that classic hand-drawn look, Animator Plus puts everything you need into one focused, beautifully refined workspace. PRO BRUSHES TUNED FOR APPLE PENCIL • Studio Pen — crisp ink lines with subtle pressure response • Pencil — true graphite feel with tilt-based shading • Pressure Pen — thickness scales with how hard you press • Marker — flat, opaque coverage for blocking color • Fountain — calligraphic chisel for elegant strokes • Airbrush — soft sprays that build up gradually • Tapered Line — four variants for classic animation strokes • Eraser, Smart Fill Bucket, Lasso Select Full Apple Pencil pressure, tilt, and azimuth support. Adjust per-brush size, opacity, hardness, flow, and smoothing. • CLASSIC FRAME-BY-FRAME ANIMATION Flip on Animation Mode to unlock a full timeline. Insert, duplicate, copy, paste, and reorder frames in a tap. Set Frame Hold to pause specific frames for any number of ticks. Tune playback from 1 to 60 fps. Onion-skin previous and next frames as ghosts to align inbetweens with confidence. • STROKE-BY-STROKE PLAYBACK Watch your artwork redraw itself, one stroke at a time, at 1x, 2x, or 4x speed. Perfect for time-lapse reels, tutorials, and process videos. Undone strokes are skipped automatically. • POWERFUL LAYERS Stack, rename, hide, lock, blend, and clip layers independently. Every animation frame keeps its own layer stack so foreground action and static backgrounds stay perfectly organized. • SHAPES, TEXT, AND TRANSFORMS Drop perfect lines, rectangles, ellipses, triangles, stars, and hexagons. Add editable text overlays. Use Lasso Select to grab strokes and move, rotate, scale, or recolor entire sections in one gesture. • REFERENCE TOOLS AND ROTOSCOPING Turn on square, dot, or isometric grids for precise layouts. Import a reference image from Photos and dim its opacity to trace or sample. Import a video clip and Animator Plus extracts the frames automatically, letting you rotoscope on top. • SOUND ON THE TIMELINE Import an audio clip, trim the in and out points, and adjust volume. Sound plays back in lockstep with your animation so timing and lip-sync land first try. • EXPORT EVERYWHERE Save your art as transparent PNG, JPG, image sequence, or MP4 video. Push files to the Files app or straight to your camera roll. Projects sync across devices via iCloud Drive. • REFINED FOR EVERY DEVICE Layouts adapt automatically between iPad and iPhone. Customize the accent color, brush smoothing, background color, and grid style from one tidy Settings panel. Whether you are sketching a storyboard, illustrating a children's book, prototyping a cartoon, or producing a finished animated short, Animator Plus gives you the tools to draw, paint, animate, and ship — frame by frame. Thanks for your support. Visit nitrio.com for more apps for your iOS devices.

Rotation is a visual art application based on the phenakistoscope principle, allowing you to easily create fascinating dynamic visual effects. By placing images on a rotating disc and utilizing the persistence of vision phenomenon, it produces magical visual experiences. 【Main Features】 • 77 Pre-installed Images: The app includes various specially selected phenakistoscope and persistence of vision effect images, ready to use • Custom Images: Import your own images from photo library to create personalized visual effects • Flexible Parameter Adjustment: Control frame rate, rotation angle, rotation direction, image size, and position • Rich Preset Styles: Offers five preset styles including modern, classic, dynamic, natural, and abstract • Multi-language Support: Compatible with 33 languages, including English, Chinese, Japanese, Korean, and more 【Parameter Details】 • Frame Rate: Controls the number of frames displayed per second, ranging from 1-60 fps • Rotation Angle: Adjusts the rotation angle of each frame, ranging from 1°-180° • Rotation Direction: Choose between clockwise or counterclockwise rotation • Image Size: Controls the display ratio of images on the disc, ranging from 100%-300% • Alignment: Sets the position of images on the disc, supporting both horizontal and vertical alignment 【Persistence of Vision】 Persistence of vision is a physiological characteristic of the human eye. When we see an image, the impression formed on the retina doesn't disappear immediately but persists for a short period (about 0.1-0.4 seconds). This phenomenon allows us to perceive rapidly presented static images as continuous smooth motion. 【Phenakistoscope Principle】 The phenakistoscope is an optical toy invented in the 19th century that creates visual illusions through rotation, reflection, and optical principles. Combined with the persistence of vision effect, when the disc rotates rapidly, it creates a superimposed effect on the retina, producing stunning symmetrical and fractal patterns. 【Application Scenarios】 • Visual Art Creation: Designers can create unique visual effects • Educational Demonstrations: Teachers can explain the principle of persistence of vision • Mental Relaxation: Watching the rotation effects can help relax the mind • Entertainment: Add fun to family gatherings or friend meetups 【Usage Tips】 • For phenakistoscope effect images, it's recommended to set the rotation angle to 360° divided by the number of evenly divided portions in the image • Adjusting the image size to 200%-300% can achieve a more concentrated visual effect • Try different rotation directions to produce different visual experiences Whether you're a visual art enthusiast, designer, or just someone who enjoys interesting visual experiences, Rotation can bring you a unique visual treat. Download the app and start your phenakistoscope visual journey!