Real builds / failure notes / AI collaboration logs

Philosophy Art AI

This is a public notebook for real products: the wins, failures, wrong turns, product decisions, prompts, launches, and postmortems behind independent apps and AI tools.

Product Diaries Contact

Apps Postmortems Human judgment AI workflows

AI coding tools used in the builds

AI Guide

Choose the right tool first.

AI products, coding agents, model APIs, design tools, hosting, launch channels, and learning resources are organized by workflow.

Quick route

Rankings, alternatives, and builder resources.

The guide is a practical map for choosing tools while building real products: coding agents, model platforms, design, hosting, launch communities, payments, and long-term learning.

Open AI Guide Top products

AI product ranking

Start with ChatGPT, Claude, Gemini, and the tools that are useful across many workflows.

Developer stack

Model APIs, hosting, product prototyping, distribution, and launch infrastructure.

Alternatives

Compare global tools with practical regional or open-source substitutes when needed.

Learning resources

Long-term references for AI, coding, product work, and practical execution.

Products and postmortems

Real products, real tradeoffs.

Successful products are shown here, and failed products are kept as public postmortems because failure teaches product judgment. All products

Sumi Mahjong

Quiet puzzle game

A quiet iPhone tile-matching game with hand-tuned ink tiles, offline play, and optional one-time theme unlocks.

iPhone / iOS App Store

App Store

Build diary

DrowseBook

Bedtime read-aloud reader

An iPhone bedtime reading and listening app for EPUB, PDF, TXT, MOBI, AZW3, Apple TTS, ambient sound, and sleep timers.

iPhone / iOS App Store

App Store

Build diary

GlotShot

Postmortem

Postmortem: App Store asset automation

A batch App Store preview generator whose basic screenshot workflows are increasingly easy to automate with AI coding tools.

macOS / App Store Postmortem

Mac App Store

Build diary

TrekReel

3D trail-story tool

A creator tool for converting GPX/KML routes into cinematic 3D trail stories for hiking, cycling, running, and travel videos.

macOS / 3D App Store

Mac App Store

Build diary

WitNote

Local-first AI writing app

A local-first writing workspace for macOS and Windows, built around private notes, Markdown, Ollama, local models, and OpenAI-compatible APIs.

macOS / Windows App Store

Mac App Store

Build diary

Mood Button

Local AI mood journal

An iPhone local-AI voice mood journal built with Apple MLX and Qwen3.

iPhone / MLX App Review

App Store coming soon

Build diary

Product work, opened up.

Journal

Product postmortem DrowseBook · Market Research Product postmortem about drowsebook market research, published as part of Hooosberg's bilingual product and AI-build notebook. 2026-06-20 Product postmortem Sumi Mahjong · Market Research Product postmortem about sumi mahjong market research, published as part of Hooosberg's bilingual product and AI-build notebook. 2026-06-20 Product postmortem WitNote · Local AI Writing Product postmortem about witnote local ai writing, published as part of Hooosberg's bilingual product and AI-build notebook. 2026-06-19 Product postmortem WitNote · Writer Instinct Product postmortem about witnote writer instinct, published as part of Hooosberg's bilingual product and AI-build notebook. 2026-06-19

About Hooosberg

An indie builder working between art, architecture, products, and AI.

I studied architecture in an art academy, have worked with 3D printing and outdoor video, and now build AI tools, iOS/macOS apps, and product experiments as a long-term independent system.

The site records product pages, launch assets, development diaries, AI conversations, and postmortems. The goal is to make the process useful to other builders, not only to show polished results.

Course

A course is an entry point, not the destination.

The course direction is built around real products: requirements, prompts, code, launch material, review, and postmortem practice.

Coming Soon Hooosberg AI Course

Practical AI Programming

$220 limited course price

A practical course for AI programming, office automation, product research, app development, and launch postmortems.

AI office automationCreative tool onboardingApple app developmentMarket analysisBusiness researchPractical developmentPrompt workflowsLaunch postmortems

View course