RHEO: Paint With Light

TL;DR

RHEO, a forthcoming app from Thorsten Meyer AI, is being presented as a simple light-painting experience for iPhone, iPad and Apple Vision Pro. The product material says it will run locally, include English and German localization, offer a $3.99 universal purchase and add Vision Pro modes, though availability and final features may change.

Thorsten Meyer AI has detailed RHEO: Paint With Light, a forthcoming app that turns touch, glance and pinch input into glowing fluid visuals on iPhone, iPad and Apple Vision Pro, positioning it as a low-friction creative tool with no feed, score, ads or subscription.

The product spotlight describes RHEO as a one-tap light-painting app built around liquid color that blooms, swirls and slowly settles after user input. According to the product material, the app is designed so users can understand its core interaction within about 30 seconds, using simple gestures such as dragging, flicking and pinching.

The company says the app will include ambient audio and subtle haptics that rise and fall with movement. It also describes a Breathe mode, in which the fluid motion expands and eases in a rhythm meant to support paced breathing without showing numbers on screen.

For Apple Vision Pro, the spotlight describes two spatial modes: a curved light field controlled by glance and pinch, and a Room mode that places the visual effect into the user’s physical space. The product material says on-device testing has shown 88-90 fps, but it also cautions that performance can vary by hardware.

At a glance
announcementWhen: forthcoming in 2026; availability, perf…
The developmentThorsten Meyer AI has published a Built in Public spotlight describing RHEO: Paint With Light, a forthcoming fluid light-painting app for iPhone, iPad and Apple Vision Pro.
Built in Public · Spotlight · RHEO ThorstenMeyerAI.com · the operator portfolio
RHEO · fluid lab · iPhone · iPad · Apple Vision Pro

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.

01 Gorgeous by default · no skill required

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.

02 The whole pitch is the first thirty seconds

“You touch it, it glows, and you understand the app completely.

Breathe mode

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.

On Apple Vision Pro
Amazon

iPad digital painting app

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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.

Stage one · The Veil
A canvas wrapped around you
A tall, curved field of living light. The color flows exactly where you look — glance and pinch to paint.
Stage two · Room mode
You stand inside the fluid
The window and canvas disappear; the liquid spills into your real room. You’re no longer looking at a fluid.
Verified on device at a steady  88–90 fps · first tester’s word: “fluid.”
Endless variety
No two sessions are the same.
  • 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.
Made with care
Kind to your eyes and attention.
  • 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.
One purchase · every device
Amazon

light painting app for iPhone

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A calm, beautiful thing you own.

$3.99

A single universal purchase. Buy it once and it’s yours on every device — no subscription, no ads, no in-app traps.

iPhoneiPadApple Vision Pro

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.

ThorstenMeyerAI.com · Built in Public · Spotlight · RHEO · © 2026 Thorsten Meyer
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A Smaller Creative App Bet

The announcement matters because RHEO represents a different kind of creative software bet: a tool aimed less at production work and more at immediate visual play, calm interaction and short sessions. Its pitch is that users do not need menus, training or a project workflow before seeing a satisfying result.

The app also reflects a broader push toward spatial creative software on Apple Vision Pro. If the described modes ship as planned, RHEO would use the headset not just as another screen, but as a place where light, room space and gesture input form the main experience.

Its commercial model is also part of the story. The product page lists $3.99 as a single universal purchase across supported Apple devices, with no subscription, no ads and no in-app purchases described. Pricing is ultimately set through the App Store and may vary by region.

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Built Around Calm Interaction

The spotlight frames RHEO as part of the Thorsten Meyer AI operator portfolio, placing it alongside more serious technical work while arguing that a simple fluid toy can still merit careful design. The source material describes the app as deliberately small, visual and calming rather than productivity-driven.

Several features are presented as attention-friendly design choices. The app is described as having no account requirement, running locally, supporting English and German, and respecting Reduce Motion. The product material also says a photosensitivity notice appears up front, a relevant safety point for an app built around glowing animated visuals.

The source also points to curated presets, hidden moods and shareable seeds that let another person open the same fluid setup. Those features are stated by the product material and should be treated as planned or described capabilities until the app is available for public verification.

“You touch it, it glows, and you understand the app completely.”

— RHEO product material

Launch Details Still Pending

Several details remain unconfirmed outside the product spotlight. The source describes RHEO as forthcoming, but it does not provide a firm public release date, App Store link or final device requirements. It is also not yet clear whether every described feature will be present at launch.

The stated 88-90 fps Vision Pro performance figure comes from the product material, not independent testing. The company also says features, performance figures, pricing and availability may change, and that on-device performance depends on hardware.

App Store Release Watch

The next milestone is an App Store release or a dated launch update from Thorsten Meyer AI. Until then, readers should treat the described feature set, price and Vision Pro performance as product-stated information rather than independently confirmed launch specifications.

When the app becomes available, the key checks will be device compatibility, final pricing by region, whether Breathe mode and Room mode ship as described, and how the app handles motion comfort and photosensitivity warnings in real use.

Key Questions

What is RHEO: Paint With Light?

RHEO is a forthcoming light-painting app from Thorsten Meyer AI that turns touch and gesture input into glowing fluid visuals on supported Apple devices.

Which devices will RHEO support?

The product material lists iPhone, iPad and Apple Vision Pro. Final device requirements have not yet been confirmed through an App Store listing.

How much will RHEO cost?

The spotlight lists $3.99 for a single universal purchase, with no ads, subscription or in-app purchases described. Pricing may vary by App Store region.

Does RHEO require an account or cloud service?

According to the product material, RHEO runs locally and requires no account. That claim can be checked once the app is publicly available.

Are there safety notes for photosensitive users?

Yes. The source says the app includes a photosensitivity notice and respects Reduce Motion. Users who are photosensitive should use caution with bright animated visuals.

Source: Thorsten Meyer AI

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