A privacy-first flight logbook

How SoloTrack stores your data, what optional iCloud sync actually does, and what we deliberately do not do.

Published May 2, 2026 · SoloTrack Team

A logbook is a record of where you've been as a pilot. It is also, sometimes, a record sensitive enough that you'd rather not see it sitting in someone else's database. SoloTrack is built with that in mind.

Local-first, by default

SoloTrack stores your flights, templates, endorsement signatures, custom airports, onboarding state, notification memory, and timer state in a local SwiftData container on your device. The same data backs the home-screen widgets, App Shortcuts, and the Live Activity timer through a shared App Group.

That means:

Optional iCloud sync (CloudKit)

If you want your flights and templates on more than one Apple device, you can opt in to iCloud sync. SoloTrack uses Apple's CloudKit, so:

What SoloTrack does not do

Based on the current build:

The full list of frameworks SoloTrack uses is the Apple-provided set: SwiftData, CloudKit, WidgetKit, ActivityKit, App Intents, PencilKit, MapKit, and UserNotifications.

Why this matters for student pilots

Your logbook contains identifiable training history, dates, instructor information, and signatures. Local-first storage means the failure modes are simple and small: your phone, your iCloud account, and your direct control over both.

Your choices

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SoloTrack is a flight-logging tool. This post is informational and does not constitute legal advice.