Memoize is an AI-powered journaling app I built, later rebranded to The Morning Page (@themorningpage, @memoizeco). It has been my primary side project from 2025 onward, built alongside my work at Legion. I describe it as “cursor for journaling,” a journaling app for overthinkers that talks back like a therapist instead of requiring “Dear diary” writing.

Memoize mascot

Day 1 building Memoize

Origin

Development started in April 2025. I tweeted: “I made a journaling app because my brain feels like a tab graveyard. 46 half-finished thoughts, 3 spirals, and no idea what I’m actually feeling.” The tweet received 27 likes.

I framed the project with personal history: “Ever since I was a kid, I wanted to be a Rocket Scientist. I couldn’t do that, so I did the next best thing: I built an AI-powered journal that talks back like a therapist.”

Technical Details

The mobile app was built with Expo and the T3 stack. It was my first mobile app. “Never built a mobile app before, but now it’s finally starting to come together.”

Key technical decisions and features:

  • Voice journaling feature built on Day 2 of development
  • Used Expo DOM components for the Tiptap web editor on mobile (the demo tweet received 22 likes)
  • Speech-to-speech AI without realtime APIs: chained VAD + Gemini transcription + Gemini Flash response + Google TTS
  • Todos feature
  • Subscription system using RevenueCat

Design

A cute mascot was designed for the app (15 likes on the reveal tweet). I tested mascot variants with ChatGPT. A new logo was designed in August 2025 (23 likes).

Growth

As of July 2025, Memoize had 4 users. I set ambitious targets: “I’m not quitting. I’m shipping every night until we hit 100,000.”

On pursuing revenue: “Growing a SaaS to a $1M valuation: 0% completed. Let’s see if I can hit 0.1% by the end of this month.”

I adopted a build-in-public approach with regular video content documenting the development process, shifting focus here after Aperturs.