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Sesin IT

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Interface, logo and App Store graphics, designed by the people who build them.

We design what we build, so nothing gets lost between a design agency and a developer: the screens, the logo and app icon, and the App Store material that decides whether someone installs.

What we design

  • App screens for iPhone and iPad, in light and dark mode.
  • A logo and app icon drawn as shapes, so they look the same on every device and still read at 22 pixels.
  • App Store screenshots in the sizes Apple accepts, in every language the app ships in.
  • Colours and type that hold up across the app, the website and the store listing.

Choose by looking, not by imagining

We show options side by side — several logos in several palettes, each previewed as an icon on a home screen and on a real page — and you pick by code. It is how this company chose its own logo.

Design that survives being built

A design is only useful if it works on a small phone, in another language and in dark mode. Because we build what we draw, we check all three before you see it.

Tell us what you need

Write to [email protected] with a couple of lines about the project. Our assistant replies first with a question or two, and a person reviews every conversation and follows up — usually within two business days.

We work in English and Spanish, and we are based in the United States. Everything we build is yours: you get the source code, the accounts stay in your name, and you are never locked into us to keep it running.