Second Brain Pro Bundle
The ultimate AI & PDF toolkit for Obsidian on iOS.
Second Brain Pro Bundle launched on March 25, 2026 with 1 votes, #8,013 of 23,380 launches that month.
What it does
Stop the copy-paste hell. Second Brain Joiner bridges your Obsidian Vault and LLMs by merging notes with auto-generated tree maps and smart separators—100% locally. VaultPress complements it by exporting Obsidian-specific Markdown to pixel-perfect PDFs. Get them individually ($3.99) or grab the Discounted Pro Bundle ($6.99). No subscriptions! Just a one-time purchase to supercharge your mobile workflow.
Download Second Brain Joiner by Hirofumi Inoue on the App Store. See screenshots, ratings and reviews, user tips, and more apps like Second Brain Joiner.
iPhone, iPad A professional-grade input optimization tool designed to push your AI's potential to the absolute limit. "Second Brain Joiner" is an application that seamlessly formats and merges your vast collection of Markdown files (your "Second Brain") stored on your device into a single context that AI can easily understand. While modern AI possesses incredible reasoning abilities, it doesn't know your "past context." However, blindly feeding it all your files isn't the solution either. If the amount of information exceeds the context window (the AI's memory limit), the AI becomes confused and generates "hallucinations" (plausible lies). This app was designed to solve that exact problem…from apps.apple.com
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