Private AI journaling app for iPhone
A SwiftUI journaling app that turns voice or text entries into weekly reflections, with the AI running on the device so entries stay private.
Problem
01 — OverviewPeople wanted help reflecting on their journal, but were not comfortable sending personal entries to a cloud AI service.
Offer useful summaries and prompts while keeping every entry on the user's own devices.
Solution
02 — Build- 01
Entries can be typed or dictated; speech is transcribed on the device.
- 02
Weekly reflections and prompts are generated with Apple's on-device foundation model, so no entry leaves the phone.
- 03
SwiftData stores entries locally, and CloudKit syncs them privately between the user's own devices.
- 04
Face ID lock and a home screen widget with the day's prompt.
Architecture
03 — SystemAI workflow
04 — SequenceWrite or dictate an entry
Transcribe and save it on the device
Generate the weekly reflection on the device
Sync privately across the user's devices
Technology & role
05 — DeliveryProduct design, iOS development, on-device AI integration and App Store release.
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