Behind the scenes: Building Day Rewrite™

Jake Chen

Lead UX Designer

Apr 16, 2025

Jake Chen

Lead UX Designer

Apr 16, 2025

Jake Chen

Lead UX Designer

Apr 16, 2025

Yellow Flower
Yellow Flower
Yellow Flower

Every product has a moment that defines it. For Kaelis, it’s Day Rewrite™ — the feature that reorganizes your entire day in seconds. But creating it wasn’t easy.

The challenge: how do you build an AI that not only understands calendars, but also human priorities, context, and the invisible rules of work? Our team combined optimization algorithms, machine learning, and a layer of human-like judgment powered by LLMs to make it happen.

The result: at 7:00 AM, Kaelis proposes a fully restructured day. Meetings shifted to reduce conflicts, deep focus blocks protected, and even draft emails prepared to notify colleagues. One tap — “Accept Plan” — and your day transforms.

It feels like magic, but behind the curtain it’s cutting-edge engineering. Day Rewrite™ isn’t just a feature; it’s Kaelis’s signature. The first step toward a future where AI doesn’t wait for your commands — it works before you do.