Fog is a minimalist notes app that removes organizing friction while keeping you in control. Just open and write, and on-device AI suggests titles, names, and summarizes folders, and answers questions about your notes in plain English. Spotlight-style search finds anything by text, title, or smart tags. 100% private and offline, powered by Apple's Foundation Models, stored locally with SwiftData and synced via your personal iCloud.
This is the 2nd launch from Fog: Smart Notes & Folders. View more
Fog: Smart Notes & Folders
Launching today
Smart suggestions. You decide.
Welcome to Fog 2.0! I've reimagined Fog around one idea: Fog helps, you decide.
- Fresh coat of paint: redesigned to feel at home on iOS/iPadOS.
- Smart Title Suggestions: AI proposes titles, never overwrites your work.
- Flexible Folders: group notes with instant summaries.
- Ask Your Notes: natural-language search across your notes.
- Universal Experience: core features on every device, enhanced local AI on Apple Intelligence.
- Lock screen controls: start a new note straight from sleep.
FogI built a notes app that organizes itself using on device AI
Launched on March 31st, 2026
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Maker
📌
Fog 2.0 is out.
A while back I posted about Fog — a notes app that organized everything for you. Auto-naming, auto-grouping, auto-everything. I built it because I'm bad at filing things.
Turns out I didn't want an app that filed things for me. I wanted one that made filing easy. Those are different apps.
So 2.0 is rebuilt around a different idea: Fog helps, you decide.
Titles — Fog suggests one. Keep it, edit it, or ask for another. It never changes on its own again.
Folders — you choose what belongs together. Fog names it and writes the summary.
Siri — "jot down in Fog", "add to my dentist note", "move groceries to Errands". Your words, not mine.
Every iPhone — no Apple Intelligence? Everything still works. You just name things yourself.
Still SwiftUI + SwiftData, still Apple's on-device Foundation Models, still nothing leaving your device.
The lesson I didn't expect: "automatic" and "helpful" aren't the same thing. V1 took the work away. V2 takes the friction away — and leaves the work to you, which is apparently what I wanted all along.
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