Now on iOS & AndroidOne photo captures a moment.
AI turns it into your story. Look back through the timeline and calendar, and find past moments using the words you remember.
AI is writing your diary…
Features
Effortless to record, meaningful to remember.
There is no need to find the perfect words. Marzlog builds the easiest recording habit—one that starts with a single photo.
One photo is enough
Add a photo from your day, and AI turns the moment into a meaningful record. You can review and edit it at any time.
See the path your days have taken
Your photos and stories are organized by date. Look back on your week, month, or year—unremarkable days gradually become a story that is uniquely yours.
Search the way you remember
“The beach,” “a rainy day,” “that little café”—no tags needed. Search understands the scenes in your photos.
Remember how it felt
Save the feelings connected to each moment—not only what you saw, but how the day felt.
Korean & English
Set the app language, and AI records are written in your choice.
Quiet, private, and yours
No likes, no followers. Marzlog is not a place for displaying your life—it is a personal space for the moments that matter to you. No ads.
How it works
Three steps to a record
From writing a diary to simply keeping your day.
Add a photo
Pick today's photo and choose the emotion of the day.
AI writes the diary
AI reads the scene and finishes an entry shortly after. The first generation is free.
Look back anytime
Browse the timeline and calendar, or search with the words you remember.
Screens
Take a look inside
Start your story today
Your day does not have to be extraordinary to be worth remembering.
● About JJSIM
We make the
Martian's log.
One step away from Earth's always-connected feeds, like Mars tracing its own orbit. MarZlog is Mars + log.
In an age overflowing with records made to be shown, JJSIM builds a quiet space for records that are only for you. No comparing, no competing—just keeping your day, beautifully. That is why we made Marzlog.
PRIVATE
A space without comparison
No likes, no followers—a place for your records alone.
BY AI
AI does the work
Just take the photo—it becomes a diary. We lift the burden of recording.
YOURS
Your data, yours
Your records belong to you, always. We do not sell them.