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// notes from the lab

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Why we build apps with no server in the path of your data, and release notes for Pressbook, Graycard and Fia, from the studio that makes them.

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Graycard's Mac window with a wedding weekend in a grid of picks, beside an iPhone showing Fia's Today screen on day 8.
ReleaseOctober 16, 2026

Graycard for Mac and Fia for iPhone are on the App Store

SideSwipe Labs now makes three apps. Graycard turns a RAW shoot into JPEGs ready to share, on a Mac. Fia tracks your period and guides your kegels, on an iPhone. Both are free to start, with no account.

Oct 13, 2026Release

Pressbook 1.3.9: Circles, the Mac, and iPhone Duo

Circles are a private place for a few people, shared both ways through iCloud. Pressbook runs on the Mac with a sidebar and a desk, and an open iPhone Duo turns an album into a two-page spread.

Drawing of a Pressbook circle on iPhone, with the wedding collage Jules shared, and the Circles widget beside it
Oct 8, 2026Tutorial

How to check what an app does with your data

Read the privacy label, turn on App Privacy Report, and watch the network on a Mac. A step-by-step check for any app, and what you should see when you run it on ours.

A diagram of a phone with lines out to the domains an app can contact: app-measurement.com, graph.facebook.com, doubleclick.net, appsflyer.com, api.mixpanel.com, api2.amplitude.com, sentry.io and apple.com.