I01 / 03
Start with the problem
Technology is a tool, never the goal. We obsess over real problems and only ship when the answer is undeniably better.
A product studio · Tokyo
Make somethingpeople want.
Y7 Technology is a small studio engineering quietly extraordinary software — used daily by people we'll likely never meet.
Est. 2023Shibuya, Tokyo
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00Index
Manifesto
Software, when crafted with care, becomes invisible — and the lives around it become slightly better, every day.
We don't chase trends. We don't ship feature lists. We pick problems we genuinely care about and obsess over them until the shape of the solution feels inevitable.
Then we polish, and polish again — because the difference between forgettable and indispensable is hidden in the last twenty percent that almost everyone skips.
How we work
Three principles.
Practiced, not posted.
II02 / 03
Compress the loop
Speed compounds. We design, build, and learn in tight cycles — every release teaches us how to make the next one truer.
III03 / 03
Subtract relentlessly
Excellence isn't more features. We remove until what's left feels inevitable — fewer surfaces, sharper edges, deeper care.
Selected work · 2025
We build the things
we wish existed.
ProductiOS & Android · 2025
Fitlog
AI-powered fitness logging. Snap a meal — Fitlog handles the nutrition, the math, and the memory. So you can focus on the habit.
Live on iOS & Android
Read the case
Working on something?
Let's build
something great.
We're selective about what we work on, but always open to a conversation when the problem is real and the people are relentless.