LLightYearStar, LLC

Products

AI applications for everyday mobile workflows.

Our products focus on practical use: writing better, responding faster, tracking wellness signals, and turning AI into clear daily value.

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AI Grammar Keyboard

Typely AI

Typely AI brings writing support into the keyboard layer, so users can improve messages, emails, social posts, notes, and replies without switching context.

Grammar and spell checking
Tone rewriting and paraphrasing
Translation, smart reply, PDF and link summaries
Learn moreApp Store
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Care Heart app icon

Heart Rate Monitor

Care Heart

Care Heart helps users record wellness signals, notice patterns, and understand heart-rate-related trends through clear dashboards and AI-generated summaries.

Camera-based heart rate measurement
HRV, stress, and trend analysis
AI wellness suggestions and health reports
Learn moreApp Store
78 bpm

AI insight: stable heart rhythm, low stress trend.

Care Heart app icon