Lunar Journal
The AI reads your chart and the moon's phase, then asks one question every morning. It listens to your answer — never diagnoses.
AI · DAILY RITUAL · 5 MIN
Your daily moment with yourself.
A daily AI-led journal, a chart-aware affirmation, and your full astrology — in one quiet ritual. Editorial, not esoteric.
- 4.8 ★ on Google Play
- 70+ countries
- Private by default
THREE PILLARS · ONE APP
THREE PILLARS · ONE APP
Daily Affirmation
The AI composes six words for you each morning, right on your home screen — in your tone, in the style you choose.
Compatibility
A synastry chart with someone close. The AI translates where your skies meet and where they part — in five short chapters.
HOW IT WORKS · NINETY SECONDS
HOW IT WORKS · NINETY SECONDS
- 01
Step one
Tell me about you
Date, time, place of birth. Ninety seconds, nothing else.
- 02
Step two
See your sky
Your full natal chart, computed on your device. Nothing leaves your phone.
- 03
Step three
Daily ritual
Five minutes a day. One prompt, one journal entry, one affirmation.
AI INSIDE · QUIETLY
An astrologer who listens.
Cosmic Self runs on a carefully tuned AI. Four things it does for you — in the background, with no effort on your part.
Reads your chart on-device
Ten planets, twelve houses, every aspect. The math runs on your phone — not in the cloud.
Writes today's question
Each morning, a journal prompt tuned to your chart and the moon's phase.
Reflects on your entries
One validating sentence after every entry — never diagnosis, never judgement.
Composes your affirmation
Six words in your chosen style — poetic, plain, or zen. Different each day.
Powered by Anthropic Claude. Your journal stays encrypted on your device.
IN THE APP
IN THE APP
TRY IT · LIVE PREVIEW
See where your skies meet.
A glimpse of the full report you'll find in the app.
PAIRS · GROUPS · FAMILY · POWER
Pairs are only the start.
Cosmic Self goes further than the simple match between two birth dates.
- SOON · PREMIUM
Your history, read in the stars
Enter an ex's birth date and your relationship dates. The AI explains what unfolded astrologically — where the spark, where the strain, where the ending.
- SOON · PREMIUM
Cosmic windows
Reverse compatibility: from your chart, the AI surfaces four to six birth-date windows where a future partner would carry the most harmony with you.
- SOON · PREMIUM
Family web
Add 3-12 family members and see the system at a glance — who holds, who triggers, which patterns repeat across generations.
- SOON · PREMIUM
Groups
A team, a holiday crew, a wedding party — add 3-15 people and read who's the glue, who's the spark, and which days suit group decisions.
- DEC 2026 · PREMIUM
Career 2027
A twelve-month career timeline: macro-themes for each month, the best windows for networking, promotion, pivot.
- SOON · PREMIUM
Power calendar
Power days and caution days appear right in your phone's native calendar — each with one concrete, suggested action.
+ COSMIC TWIN · 2027
WHY COSMIC SELF
An app for self-knowledge, with astrology as the frame.
Editorial, not esoteric
Designed like a quiet magazine page, not a fortune-teller's window.
Three rituals, one rhythm
Chart, journal, affirmation — each one informs the next, every day.
Private by default
Your journal is encrypted on your device. Nobody — including us — can read it.
ALREADY A QUIET RITUAL FOR
ALREADY A QUIET RITUAL FOR
10,000+
daily readers
500,000+
journal entries written
4.8
Google Play rating
70+
countries
It reads like a friend two years into therapy, not a guru. I open it before I open Instagram.
Five minutes a day is all I have. This makes them count.
I sent the compatibility screen to three friends before lunch. The design is unreal.
Live on Google Play now. iOS is on the way.
Get the app
QUESTIONS · ANSWERED
QUESTIONS · ANSWERED
The app is free to install with a daily horoscope, one weekly journal prompt, and one compatibility preview. Premium unlocks the daily journal, weekly insights, unlimited compatibility, and the home-screen widget.