DiaryVault: The AI Journal That Knows Who You Are
DiaryVault is a private AI journal available on iOS, Android, and the web. It writes entries from your photos, learns from your reflections, and surfaces the patterns you can't see yourself. Echo, the AI companion that reads every entry, is free for every user.
Key Features
Import Memories
Turn your entire photo library into journal entries. DiaryVault scans your photos, reads the metadata (time, location, date), and uses AI to generate short, warm journal entries for every day you have photos. Users with 5 years of photos can import thousands of memories in minutes.
Write My Day
One tap and AI captures your day. DiaryVault collects your photos, calendar events, step count, and location, then generates a personalized journal entry. Review, edit, and save.
Echo, your AI companion
Echo reads every entry you've ever written and connects past to present. Ask Echo what it sees, or just keep journaling and let it surface what links moments across time. Free for every user, in 11 languages.
Reflection in your own words
Add your own thoughts on top of any entry. What did the AI miss? What mattered most? Reflections are how DiaryVault learns your voice — it gets smarter about who you are the more you reflect.
Patterns on Life Progress
What you keep doing. What's shifting. What you've grown out of. DiaryVault surfaces recurring themes from your entries and reflections, showing you who you're becoming.
- Today Mode — Submit a task list, AI turns it into a journal narrative
- Reflection feed — A separate stream of your own reflections, in your own words
- Eras — AI clusters your entries into life chapters with generated titles
- Identity Snapshot — A short summary of who you are right now, drawn from your entries and reflections
- Year Review — Your year, written by AI from what you actually lived
- Shared Vaults — Optional shared journals where the same moment gets written from each person's perspective
- Photo + Video — Add photos and videos to any entry
- On This Day — Resurfaces moments from past years
- Translation — Translate any entry into 11 languages with one tap
- Social Sign-In — Google, Apple, and Microsoft
- Cloud Sync — iOS, Android, and the web stay in sync
- Private & Secure — Encrypted entries, no social feed, no ads
The body of an entry might be written by AI. The reflection is yours alone. That distinction is the whole point.
What Makes DiaryVault Different
Most journaling apps give you a blank page. DiaryVault writes the page from your photos, your day, or a few words you jot down. That alone would be useful, but it's not the point.
The point is what happens next. You write a reflection on top of the AI-generated entry. The reflection is the only authentic-author content in the system. It's how DiaryVault learns your voice, your concerns, the things that actually matter to you. Echo, your AI companion, reads across every entry and every reflection you've ever written, and surfaces what links them.
Over time, three things start happening on their own. An Identity Snapshot describes who you are right now, in the system's own words, drawn from what you've actually written. A Trajectory shows how that's changing across 30, 90, and 365 days. Patterns surface the recurring shapes in your life, what's shifting, what you've grown out of.
This is the loop: you live, AI captures, you reflect, Echo connects, patterns emerge. The longer the loop runs, the more accurately DiaryVault knows you. That's the moat. Not features. Time.
Who DiaryVault Is For
DiaryVault is for people who want to understand themselves over time, not just record what happened. The blank page is hard. Going back to read what you wrote is also hard. DiaryVault solves both: AI handles the writing, you handle the reflecting, and Echo connects the dots between them. The longer you use it, the better it knows you.
Pricing
DiaryVault is free to start. Echo, reflection, and pattern surfacing are free for every user. Premium unlocks unlimited photo imports, background memory generation, full photo library scans, unlimited entries, and shareable story cards. $4.99/month or $39.99/year (saves 33%, just $3.33/month).
Company
DiaryVault is built by DiaryVault, Inc., founded by Stephen Lee. Based in San Francisco. For support, contact diaryvaultinc@gmail.com.