TL;DR
Thorsten Meyer AI has detailed RHEO, a forthcoming app that turns touch and spatial input into reactive liquid-light visuals. Confirmed details come from the product spotlight; availability, final pricing, and performance across devices remain subject to change.
Thorsten Meyer AI has detailed RHEO, a forthcoming app that lets users create reactive liquid-light visuals with touch on iPhone and iPad and spatial input on Apple Vision Pro, positioning the product as a calm creative tool with no feed, account or subscription.
The product spotlight describes RHEO as a one-touch visual app built around glowing, fluid motion. Users can drag slowly for smoother trails, flick quickly for bursts of color, or pinch to create a vortex. The company frames the app’s main design goal as immediate use: a person should understand the experience within about thirty seconds.
According to the spotlight, RHEO will run on iPhone, iPad and Apple Vision Pro. The Vision Pro version is described as having two spatial modes: The Veil, a curved canvas of moving light, and Room mode, where the visual field appears to extend into the user’s physical room. The source says one on-device test ran at a steady 88–90 fps, though performance is stated to vary by hardware.
The product page lists a planned $3.99 universal purchase, with no subscription, ads or in-app purchases. It also says RHEO runs locally, requires no account, includes a photosensitivity notice, respects Reduce Motion, and is localized in English and German. The source cautions that pricing, availability, features and performance figures may change before release.
Paint with light.
A single fingertip becomes a river of glowing color. Touch the screen and liquid light blooms, swirls, and slowly settles — a calmer kind of beautiful, in the palm of your hand.
You can’t make an ugly one.
Most creative apps ask you to learn them first. RHEO asks nothing — every stroke trails stardust, catches bloom, and scatters light like sun through water.
Effortless beauty
Drag slowly for silk, flick fast for a burst, pinch the world into a vortex. Whatever you do, it looks like art.
Minutes that slow you down
No feed, no score, no streak to protect. Just a fluid that reacts to you and settles gently back to calm.
It responds to you
A warm ambient score and subtle haptics rise and fall with how much you move — sight, sound, and touch in sync.
“You touch it, it glows, and you understand the app completely.“
The fluid breathes with you.
The whole fluid swells on the inhale and eases on the exhale — gravity itself leans with the rhythm. It’s box-breathing you can actually see, pacing you without a single number on screen.
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The color leaves the screen.
Paint a curved canvas of living light with a glance and a pinch — then turn on Room mode and the liquid spills out to wash your real room in shifting color.
- Curated presets set an instant tone, from deep calm to electric.
- Hidden moods quietly unlock the more you explore.
- Shareable seeds — send a link and a friend opens the exact same fluid, down to the last shimmer.
- Gentle by design. A photosensitivity notice up front, and full respect for Reduce Motion.
- Yours and private. Runs locally — no account, nothing to sign up for, nothing watching.
- In your language. Fully localized in English and German.
light painting app for iPhone
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A calm, beautiful thing you own.
A single universal purchase. Buy it once and it’s yours on every device — no subscription, no ads, no in-app traps.
Independent commentary, produced with AI assistance under human editorial oversight. The views are the author’s own and may change. This describes a product’s design and stated features — not business, financial, legal, or technical advice. RHEO is a forthcoming app; described features, performance figures, pricing, and availability are stated by the product and may change; on-device performance varies by hardware. A photosensitivity notice is included in the app; exercise appropriate caution if you are photosensitive. Pricing is set in the App Store and varies by region. Names are trademarks of their respective owners; mention does not imply endorsement.

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A Smaller Bet on Calm Software
RHEO matters because it reflects a different product bet from many current creative apps: less instruction, less social pressure and fewer monetization layers. The spotlight presents the app as something meant to be used briefly and privately rather than as a networked tool built around publishing, scoring or retention loops.
For readers tracking Apple Vision Pro software, RHEO is also a small example of how developers are testing spatial computing beyond productivity and gaming. Its described Room mode uses the headset not just as a screen, but as a way to place reactive visual material around the user. That claim is product-side, and independent testing will be needed once the app is available.

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Built in Public Product Spotlight
The source material comes from a ThorstenMeyerAI.com Built in Public spotlight, which describes RHEO as part of an operator portfolio. The article emphasizes that the app is intentionally narrow: one fingertip, glowing color, fluid motion, ambient sound and haptics that respond to movement.
The spotlight also places RHEO alongside more technical work, including references to defense ISR platforms and decision engines. That comparison is presented as the author’s framing, not as evidence of shared customers, contracts or technical architecture. The confirmed product information is limited to the described app experience, platform targets, privacy claims, planned pricing and stated accessibility choices.
“You touch it, it glows, and you understand the app completely.”
— Thorsten Meyer AI product spotlight
Release Details Still Open
Several details remain unsettled. The spotlight says RHEO is forthcoming, but it does not provide a confirmed App Store release date. The stated $3.99 price may vary by region, and the source says final pricing is set in the App Store.
It is also not yet clear how the app will perform across the full range of supported iPhone, iPad and Vision Pro hardware. The reported 88–90 fps figure is tied to device testing described by the product source and should be treated as a stated performance result until independent testing is available.
App Store Release To Watch
The next milestone is an App Store release or a more specific launch window from Thorsten Meyer AI. Once RHEO is available, users and reviewers will be able to test the claimed local-only design, Vision Pro Room mode, accessibility behavior and device performance under real use.
Key Questions
What is RHEO?
RHEO is a forthcoming app described by Thorsten Meyer AI as a light-painting and fluid-visual experience for iPhone, iPad and Apple Vision Pro.
Is RHEO available now?
The source describes RHEO as forthcoming. A confirmed release date was not included in the supplied material.
How much will RHEO cost?
The product spotlight lists a planned $3.99 universal purchase, but says App Store pricing varies by region and may change.
Does RHEO require an account?
According to the spotlight, RHEO runs locally and requires no account. That claim can be verified after release.
What is different on Apple Vision Pro?
The Vision Pro version is described as adding The Veil, a curved light canvas, and Room mode, where the liquid-light visuals appear to fill the user’s room.
Source: Thorsten Meyer AI