Free Note-Taking Apps Compared: Which One Fits Your Brain?
Notion, Obsidian, Google Keep, OneNote — they're all free, but they suit very different people. Here's how to pick the right one for you.
The best note-taking app is the one you'll actually open every day, and that depends entirely on how your brain works. A tool that delights one person frustrates another. Rather than crown a single winner, let's match the major free apps to the kind of note-taker you are. All of these have genuinely useful free tiers.
First, what kind of note-taker are you?
- The quick-capture type — you want to jot a thought in two seconds and not think about structure.
- The organiser — you like notebooks, sections, and everything in its place.
- The system-builder — you want to connect ideas, build a personal knowledge base, and customise everything.
- The plain-text purist — you want your notes simple, fast, and not locked into one company.
Find yourself below.
Google Keep — for quick capture
Keep is the digital sticky-note. Open it, type or speak a thought, and it's saved and synced everywhere instantly. Colour-coded cards, simple checklists, reminders, and photo notes. It's not built for long documents or deep organisation — and that's the point. If you mostly want to capture fleeting thoughts, shopping lists and reminders with zero friction, Keep is hard to beat, and it's completely free.
Microsoft OneNote — for the organiser
OneNote mimics a physical binder: notebooks, divided into sections, divided into pages. You can type anywhere on a page, paste images, draw, and clip web pages. It's powerful, flexible, and free with a Microsoft account. If you think in folders and sections and want one place for structured notes across work and life, OneNote is the comfortable, capable choice.
Notion — for the system-builder
Notion is part notes, part database, part wiki. You can build anything from a simple page to a full project tracker with linked databases. The free plan is generous for individuals. The trade-off: the flexibility can be overwhelming, and it's slower to open than a simple notes app. If you enjoy designing your own system and want notes, tasks and databases in one customisable workspace, Notion is brilliant. If you just want to write things down, it's overkill.
Obsidian — for the knowledge-base builder
Obsidian stores your notes as plain text files on your own computer and lets you link them together into a web of connected ideas. It's free for personal use, works offline, and you fully own your files. It's the favourite of people building a long-term "second brain". The learning curve is real, and it's less suited to quick mobile capture, but for serious thinkers and writers it's exceptional.
Plain text / Markdown — for the purist
Sometimes the answer is no app at all — just plain text files in a synced folder, or a lightweight editor. Your notes stay simple, open forever, and tied to no company. Combine plain-text files with the file-organising habits from our productivity guides and you have a system that will still work in twenty years.
Quick guide to choosing
- Fast thoughts and lists: Google Keep.
- Structured notebooks: OneNote.
- Custom workspace with databases: Notion.
- Connected long-term knowledge base: Obsidian.
- Simple, future-proof, fully yours: plain-text Markdown.
Pick the one that matches how you naturally think, commit to it for two weeks, and resist the urge to keep app-hopping. The note-taking happens in your head and your habits — the app is just the place it lands.
Frequently asked questions
What's the best free note-taking app?
There's no single winner — it depends on how you think. Google Keep suits quick capture, OneNote suits structured notebooks, Notion suits custom workspaces with databases, and Obsidian suits a connected long-term knowledge base. Match the app to your style.
Should I move all my old notes into a new app right away?
No. Use the new app for a week of real notes first. If it feels natural, then migrate your archive. Switching apps is easy early and painful once you've poured everything in, so test before committing.
Are my notes safe if a free app shuts down?
With cloud apps, export your notes periodically as a backup. If long-term ownership worries you, plain-text or Markdown files stored in a synced folder — or Obsidian, which keeps files on your own device — keep your notes under your control.