App idea: private build journal for founders
I’m thinking about an app idea for early-stage founders and builders.
The problem: when someone is building a startup, MVP, side project, or prototype, a lot of progress happens in small pieces: screenshots, product decisions, landing page changes, user interviews, pitch decks, Figma designs, GitHub commits, feedback, metrics, blockers, and lessons learned.
But that progress usually ends up scattered across Notion, Google Drive, WhatsApp, Slack, GitHub, Figma, Trello, screenshots, or memory.
The app idea would be a private “build journal” for a project.
A founder could use it to:
- document progress over time
- keep a timeline of milestones, decisions, experiments, and learnings
- attach evidence like screenshots, links, pitch decks, metrics, or notes
- mark some updates as private
- choose specific updates to share for feedback
- create a clearer story of how the project is evolving
- it could even be used to prepare pitchdecks, demo days, etc.
It would not be a public social network by default. The main idea is private tracking first, optional sharing second.
The use case I’m imagining:
Instead of only having a founder profile or a pitch deck, a project would have a living timeline showing what has actually been built, tested, changed, learned, or improved.
I’m curious if this is actually useful or if founders would just keep using Notion, GitHub, Google Drive, or whatever they already use.
Questions:
Would you use something like this for a project you’re building?
What would make it better than just using Notion or a Google Doc?
Would you ever share selected updates publicly or with other builders?
What would make this annoying or unnecessary?
Is this a real problem, or am I overthinking it?