CELESTRYLL

Simple apps. Thoughtfully engineered.

We craft focused mobile and web applications that solve real problems — with clean design, intentional features, and a commitment to quality over complexity.

A Selection of Our Apps

Everything is in development — crafted with a clear purpose and no unnecessary complexity.

Coming Soon
Sleep & Wellness

Somnaural

Ambient soundscapes and audio environments crafted to help you fall asleep faster, focus deeper, and wake more refreshed. Blend layers of nature, white noise, and tonal sound with intuitive controls.

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Coming Soon
Education

Pemdas

An interactive math companion that teaches and reinforces order of operations step-by-step. Perfect for students and anyone brushing up on arithmetic foundations — with clear, visual breakdowns.

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Coming Soon
Puzzle & Games

Badly Defined

A word-puzzle game where ambiguity is the point. Match deliberately vague or humorous definitions to words, debate the "correct" answer, and see how differently people interpret language.

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Why Celestryll

The philosophy behind every app we ship.

Purposefully Simple

We remove everything that isn't essential. Every screen, every button earns its place.

Privacy by Default

We collect only what's necessary and never sell your data. Your information stays yours.

Built to Perform

Lightweight, responsive, and optimized for every device — from budget phones to flagships.

Accessible First

Designed so everyone can use our apps comfortably, regardless of ability or device.

Continuously Improved

We listen to feedback and ship thoughtful updates — not forced upgrades or paywalls.

Real Support

Have a question or issue? You'll hear from a real person — not a bot or a form letter.

Questions or Feedback?

We'd love to hear from you — whether it's a bug report, feature idea, or just a hello.