Opal - Diary that last forever
Diary designed with privacy
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Opal: A Diary That Lasts Forever
In a world of fleeting apps and data-hoarding services, Opal redefines digital journaling. We're not here to own your words—we're here to set them free. Designed with privacy and simplicity at its core, Opal ensures your diary endures, no matter what. Whether the app evolves or the world changes, your entries remain yours, readable in any text editor—forever.
Why Opal? Privacy Without Compromise
Your Data, Your Control
Every entry lives locally on your device or synced securely to iCloud. We never access, store, or scan your private thoughts. No ads, no tracking, no servers—just pure, unfiltered privacy.
Timeless Portability
Entries are saved in open Markdown format, so your diary is never locked in. Export, migrate, or open them in tools like Obsidian, Notion, or even a basic text editor. If Opal ever sunsets, your story doesn’t.
Effortless Writing, Deeper Reflection
Minimalist Magic
A clean, serene interface strips away the noise so you can focus on what matters—your thoughts.
AI-Powered Weekly Reflection
Turn your entries into meaningful insights with optional weekly summaries. Use your favorite AI provider—including Apple Foundation Models—to reflect on your week while keeping your data under your control.
Opal isn't just an app; it's a commitment to longevity. We've built something that honors your voice for generations—perfect for writers, thinkers, and anyone who values their inner world.
Ready to journal forever? Download Opal today and reclaim your narrative.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- Added searching feature
The developer, Tsun Kit Wong, 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:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Tsun Kit Wong
- Size
- 46.1 MB
- Category
- Lifestyle
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Opal