When we design a new product, we draw mobile first, not out of loyalty to a platform but because mobile forces you to strip the UI down to the decisions a user actually needs to make. If a feature can't earn its place on a 375-pixel screen, it usually can't earn its place anywhere else either.
10 NOV 2025 · 11 min read
Mobile-first design: building apps users actually love
Mobile-first is not an aspect ratio. It's a set of constraints — latency, thumb reach, background fetches, app-store review — that, when respected, make the desktop version better too.
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