Prilog: Private Journal Diary

On-device. Encrypted. Yours.

Free · In-App Purchases

Your journal belongs on your device, not on someone else's server. Prilog stores everything only on your device and in your own Google Drive. No third-party servers, no AI training, no anonymous analytics. Core Values • Local first: All data stays on your device • Double lock: App lock plus per-entry lock • Your own Google Drive sync: Automatic backup across your devices, nowhere else • Offline: Write and search with no internet connection Key Features • Attach photos, location, voice, and video • Tags and full-text search • Reflection cards: Automatically resurface entries from N weeks, months, or years ago • Export as PDF or plain text • 21 languages supported • Automatic sync via Google Drive Who It Is For • Anyone uncomfortable handing their most private writing over to server-based diary services • People who want to make journaling and reflection a real habit • Those who want full control over their own data Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • This app has not received enough ratings or reviews to display an overview.

Fixed a bug where some icons were missing

Version 1.2.6

The developer, Sangseon Kim, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Sangseon Kim
Size
  • 238.7 MB
Category
  • Lifestyle
Compatibility
Requires iOS 13.0 or later.
  • iPhone
    Requires iOS 13.0 or later.
  • iPad
    Requires iPadOS 13.0 or later.
  • iPod touch
    Requires iOS 13.0 or later.
  • Mac
    Requires macOS 10.15 or later.
Languages
English and 14 more
  • English, French, German, Indonesian, Japanese, Korean, Malay, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Vietnamese
Age Rating
4+
In-App Purchases
Yes
  • Monthly (macOS) USD 0.99
  • Monthly (iOS) USD 0.49
  • Lifetime (macOS) USD 14.00
  • Lifetime (iOS) USD 9.00
  • Learn More
Copyright
  • © Copyright 2025. GemsCove Co. All rights reserved.
  • Privacy Policy

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