@Hooosberg
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My build notes / AI tool guide

Philosophy, Art, AI

Hooosberg records my process of building real products with AI and organizes the AI tools I have used or seriously researched. Start here to see how products move from idea to launch, or to decide which AI tool fits the job.

Read Notes Open AI Guide
Codex App Development App Store Launch Process Mac/iOS App Development AI Basics Claude Code Gemini AI Navigation Build Notes

Build notes

Start with the real product work.

Requirements, prompts, code changes, launch work, failures, and postmortems are kept as public build notes. All notes
Architecture WitNote · 2.0.1 Refactor: Native Swift Workspace and Local MLX How WitNote rebuilt its existing Mac App Store product around a native Swift workspace, local Markdown files, and an MLX model path. 2026-08-05 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. 2026-06-20 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 · Writer Instinct Product postmortem about witnote writer instinct, published as part of Hooosberg's bilingual product and AI-build notebook. 2026-06-19 Product postmortem DrowseBook · Quiet IOS Product postmortem about drowsebook quiet ios, published as part of Hooosberg's bilingual product and AI-build notebook. 2026-06-19

Products

Products are the evidence behind the notes.

A few representative apps stay here; the full catalog, privacy policies, and product pages live in the products section. All products

Mood Button

Local AI mood journal

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

iPhone / iPad App Store
App Store Build notes

Sumi Mahjong

Quiet puzzle game

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

iPhone / iPad App Store
App Store Build notes

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 notes

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.

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.