STAGE.KIT vs Rotation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STAGE.KIT
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Introducing STAGE.KIT: Motion capture made simple for distributed collaboration. STAGE.KIT allows you and your team to easily capture an actors voice and facial expressions. Invite your cast to perform along with your crew. It’s as easy as joining a video call. KEY FEATURES: Capture Collaborative Performances: STAGE.KIT allows you to perform with other actors, not just by yourself. Interaction is key for timing and emotional context, and STAGE.KIT gives you that real-time collaboration. All actors can be captured in the cloud using STAGE.HUB, our cloud based portal that allows you start, stop, and manage your recordings and team. ACTORS, DIRECTORS & VIEWERS: STAGE.KIT gives you a centralized location to perform as well as direct, produce, and watch. We’ve made it easy to include everyone that matters to your production. Actors get an in app digital character to control with their face and voice, along with a video feed for added context and communication. Director have a video and audio connection allowing them to give direction and feedback to the Actors. Everyone else can participate as a Viewer, listening and watching the performance. Viewers can speak as well if needed. Only the Actors audio will ever be recorded, so live feedback during a performance is welcome. OPTIMIZED for ARKit: Leveraging Apple’s 52 blend shapes you can authentically track facial expressions in real time. These captures are visualized locally and can be relayed to Unreal using STAGE.LINK, our Unreal Engine plugin..
Rotation
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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!
Screenshots
Verdict
The clearest difference is price: STAGE.KIT at Free against Rotation's $3.99. Rotation's advantage is update cadence (every 3 days vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
STAGE.KIT is free to download; Rotation costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
STAGE.KIT ships an update every 2 months, Rotation every 3 days. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.
| Parameter | STAGE.KIT | Rotation |
|---|---|---|
| Price | Free — better | $3.99 |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17 |
| Further details — not scored | ||
| Size | 227 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Evil Eye Pictures LLC | 思明 陈 |
In-app purchases
STAGE.KIT
No in-app purchases
Rotation
No in-app purchases









