TL;DR

Thorsten Meyer AI has detailed RHEO, a forthcoming app that turns touch, gesture and movement into reactive liquid-light visuals on iPhone, iPad and Apple Vision Pro. The product page states a $3.99 universal purchase, local operation, no account requirement and support for motion and photosensitivity safeguards, but release timing and final App Store terms remain unclear.

Thorsten Meyer AI has detailed RHEO: Paint With Light, a forthcoming creative app that turns a fingertip, pinch or glance into glowing fluid visuals across iPhone, iPad and Apple Vision Pro, positioning it as a simple, one-purchase alternative to more tool-heavy creative software.

The spotlight describes RHEO as a small, deliberately calm app built around one main interaction: touch the screen and liquid light blooms, swirls and settles. According to the product page, users can drag slowly for softer trails, flick quickly for bursts of light and pinch to create a vortex.

Thorsten Meyer AI says the app includes Breathe mode, where the fluid expands and eases in a breathing rhythm, and an ambient score with subtle haptics that rise and fall with movement. Those are product claims from the developer’s spotlight, not independent test results.

For Apple Vision Pro, the page describes a curved light canvas controlled by glance and pinch, plus a Room mode in which the visuals spread into the user’s physical space. The page states that on-device testing reached a steady 88-90 fps, while also warning that performance may vary by hardware.

At a glance
announcementWhen: 2026 product spotlight; app described a…
The developmentThorsten Meyer AI published a Built in Public spotlight describing RHEO, a forthcoming 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 Lower-Pressure Creative App

RHEO matters because it is being framed less as a production tool and more as a low-friction creative experience. The core pitch is that users do not need drawing skill, presets or a tutorial to make something visually pleasing; the interaction itself is the artwork.

The product also speaks to reader concerns around attention, privacy and app pricing. Thorsten Meyer AI says RHEO has no feed, no score and no streak, runs locally, requires no account and is planned as a $3.99 universal purchase with no subscription or ads. If those terms hold at release, the app would stand apart from many creative and wellness-adjacent apps that rely on recurring payments or account systems.

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Built Around Immediate Touch

The spotlight places RHEO in the site’s Built in Public series and describes it as part of a wider operator portfolio. The unusual part is the scale: the same portfolio framing that includes heavier decision and platform work is being applied to a calm, tactile light toy.

The source material repeatedly stresses that the first thirty seconds are the whole pitch: touch the display, see the glow and understand the app. It also states that the app is fully localized in English and German, includes a photosensitivity notice and respects Apple’s Reduce Motion setting.

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

— RHEO product page

Release Details Still Pending

Several details remain unsettled. The page calls RHEO a forthcoming app, but it does not provide a firm App Store release date, supported device list by model or final regional pricing.

The stated $3.99 price, feature set, performance figures and availability are all presented by the product page as subject to change. It is also not yet clear how Room mode, shareable seeds and hidden moods will work in the final public build.

App Store Release Is Next

The next milestone is a public App Store listing or release date confirming availability for iPhone, iPad and Apple Vision Pro. That listing should clarify final pricing, regional availability, device support, privacy disclosures and any Apple review limits on the Vision Pro features.

Key Questions

What is RHEO: Paint With Light?

RHEO is a forthcoming creative app from Thorsten Meyer AI that turns touch and gesture into reactive liquid-light visuals.

Which devices will RHEO support?

The product page says RHEO is planned for iPhone, iPad and Apple Vision Pro. Exact model support has not been confirmed.

How much will RHEO cost?

The spotlight states a $3.99 universal purchase, but also says pricing may vary by region and may change before release.

Does RHEO need an account?

According to Thorsten Meyer AI, RHEO runs locally and requires no account. Final privacy details should be checked when the App Store page is live.

Is RHEO safe for photosensitive users?

The source says the app includes a photosensitivity notice and respects Reduce Motion. People who are photosensitive should review the warning before use.

Source: Thorsten Meyer AI

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