Sebastián, developer of Rex Journal
Behind Rex Journal

Sebastián

Android Developer · Indie

"I built Rex Journal because I realized that the relationships that matter most are lost not from lack of affection, but from lack of memory."

How this app came to be

It all started with an uncomfortable feeling. I showed up for lunch with someone important and couldn't remember anything they'd told me the time before. Not their child's name, not the trip they were planning, not the problem they had at work. I left feeling like I'd let them down.

I looked for an app that would help me remember people — not their contact details, but who they are. I couldn't find anything that felt human, private, and simple all at once. So I built it.

Rex Journal isn't a CRM. It's a notebook. Your notebook, on your phone, with no servers storing your things and no algorithms using them.

Radical privacy

Everything stays on your phone. No external server ever touches your data. Ever.

No dependencies

The app works offline, no account, no login. Open and use.

Built with purpose

No engagement metrics, no empty notifications. Every feature exists so you can better care for your people.

The goal

Remembering people
shouldn't require effort.

We live in a world that asks us to remember passwords, deadlines, and notifications. But nobody gives us a tool to remember what really matters: the stories, interests, and moments of the people we want close to us.

Rex Journal exists to fill that gap. Not with artificial intelligence or recommendation algorithms. With a well-designed notebook — fast, private, and always available.

100%
Local · No cloud
0
Data collected
1
Dev. One purpose.

Have feedback, an idea, or just want to chat?

Rex Journal is a project built by one person. Every message that arrives matters — whether it's a bug, a suggestion, or a story about how the app helped you reconnect with someone.

rexjournal.app@gmail.com

I respond personally, no bots or forms.