Productivity · Mobile app

Slate - Private Voice Journal

Private, on-device audio diary and reflection tool for iPhone.

Visit apps.apple.com ↗

Slate is a voice journaling app that transcribes and analyzes spoken thoughts entirely on your device without sending data to external servers. It uses on-device Apple Intelligence to extract key lines, organize topics, and compile weekly reflections. It requires no user account, has no tracking SDKs, and functions completely offline in airplane mode.

What it's for

  • Record daily spoken thoughts without exposing private audio to cloud servers
  • Review weekly audio journal themes and recurring topics automatically every Sunday
  • Search past journal entries by spoken words, mentioned people, or places

Features

  • 100% on-device speech transcription with filler word removal
  • On-device Apple Intelligence reflections identifying key lines and context
  • Sunday weekly summaries tracking shifts, topics, and patterns
  • Complete offline operation with zero servers, analytics, or network calls
  • Automatic tagging of mentioned people, themes, and places
  • Optional Face ID app lock and optional end-to-end encrypted iCloud backups

Pricing

Freemium. 1-month free trial; subscriptions at $12.99/month, $59.99/year, or a $99.99 lifetime purchase

Details

Type
Mobile app
Category
Productivity
Topic
Journaling
Open source
No
Platforms
iOS
For
Privacy-focused individuals looking for a quiet, offline voice diary without cloud tracking.
Alternative to
Apple Journal, Day One, Rosebud, AudioPen
Tags
journaling, voice, privacy, on device, ios, apple intelligence

Why it was saved

  • @elirousso, 21 July 2026: A fully offline, no-account, no-SDK product and an example of shipping an Apple-only on-device AI stack, plus a distinctive calm product philosophy.

Related

  • VERT

    Open-source file converter running locally in your browser

  • Aside

    AI browser built to execute multi-site workflows autonomously using local context

  • Brainrot

    iPhone screen time app and app blocker to stop doomscrolling

  • Configuring the iPhone 15 Pro Action Button

    How the Action Button settings interface works and available trigger options

  • FilePizza

    Free peer-to-peer file transfers directly between web browsers.

  • Habits Garden

    Gamified habit tracker that turns routine building into growing a garden.

Updated