SubFold – DocuSphere by AI WORKS: organize notes, photos, voice recordings, PDFs, links and checklists in folders. Offline, private and no account – for study, work and personal projects.
SubFold – DocuSphere by AI WORKS is the powerful offline folder manager for all content in one place. Study materials, work documents, personal projects or ideas – structured and distraction-free.
All common content types in one app:
All data stored locally in a secure SQLite database. No account, no cloud dependency, no tracking.
Features
Notes, photos, audio, PDFs and links in folders – offline, with tags, search and PDF export.
Unlimited folders with custom colors.
Text, photos, voice, PDF, links, checklists.
Recorder and player with seek and output switch.
Import PDFs, export folders as PDF.
Global search and pin important notes.
Stats and 30-day activity overview.
FAQ
Yes. The app is free with no in-app purchases.
Yes. Core features work without an internet connection.
No. AI WORKS apps are built privacy-first with local storage and no tracking.
The app is available on iPhone (App Store).
No. SubFold stores everything locally in a SQLite database on your device. No account and no cloud required.
Use the form to send feedback about this app. Please do not share passwords or sensitive data.
