Solo Diary: Just for You

Solo Diary replaces the habit of opening social media with a timeline that's only yours.

■ No one can see it
No followers, no public posts, no like counts. What you write here is yours alone. Instead of comparing yourself to others, you face only your past self.

■ Instead of likes, a word from an AI
When you post, an AI leaves a short comment. Choose from three personalities — Empathetic, Witty, or Matter-of-fact. AI comments are optional; every feature still works with them off. When on, only your note's text is sent to generate a comment. Photos are never sent.

■ Your past self, returning
"A month ago / a year ago today" surfaces at the top of your timeline, so you can gently reread how you felt back then.

■ Quiet by design
A dark theme. No red notification badges, and no endless scroll — a finite timeline you can actually finish.

■ In your language
Available in English, Japanese, Chinese, Korean, and Spanish. The app follows your device language, and the AI replies in your language too.

No account needed. Your data stays on your device and can be deleted anytime.

Free to use (ads support the AI feature). Prefer no ads? A one-time "Remove ads" purchase hides them all.