Notes from STA.

Workflows, tool comparisons, and lessons from building a connected suite of apps.

Strategy2026년 5월 25일·8 min read

Why we merged four apps into one — a retrospective on STA’s 4-tab decision

At first we ran calendar, mail, memo, and tasks as separate apps, but most user friction came from the spaces between them. An honest retrospective on merging four apps into one (4 tabs) — with surveys kept separate as Stats — on the steps that vanished and what we kept.

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제품 비교2026년 5월 20일·7 min read

What sets apart a memo app that links thoughts through a canvas and tag graph

A memo tool you carefully groom into a document tree and one where a graph grows on its own from whatever you drop in are entirely different categories. We compare which fits which workflow across six axes.

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Workflow2026년 5월 18일·9 min read

How an AI assistant shortens a 4-tab unified workflow

Locked inside a single tool, AI is a small helper; once four tabs share one app and one account, it shortens the whole flow. We count, with a scenario, how many steps vanish in the STA unified workflow.

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제품 비교2026년 5월 15일·8 min read

Six ways natural-language calendar input cuts the time you spend scheduling

When booking an event drops from five taps to a single line of text, you get minutes back every day. We unpack six input patterns of a natural-language calendar from the angle of time saved.

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Strategy2026년 5월 12일·9 min read

Payment and subscription setup for a global SaaS — a common pattern for handling multiple gateways

Payments for a SaaS don’t end with one channel. We lay out a common setup pattern for running local, global, and mobile payment channels together under a single entitlement model.

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StrategyMay 10, 2026·9 min read

Why a 4-in-1 unified productivity app beats a stack of separate tools

Picking the best-of-breed in every category creates four logins, four billing pages, and four sets of seams you fix yourself. One app with 4 tabs cancels those costs — here is where it pays off.

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