Productivity · head to head
Brain.fm vs Obsidian

Brain.fm
Productivity
Scientifically-designed music to enhance focus and productivity
- From
- $14.99/month
- Rated
- -

Obsidian
Research
A powerful knowledge base on top of a local folder of plain text Markdown files
- From
- Free
- Rated
- -
The short version
- Only Obsidian has a free tier, so it costs nothing to try first.
- Each has a real cost: Brain.fm monthly plan at $14.99/month significantly more expensive per unit than annual plan ($8.33/month equivalent); Obsidian sync is a paid add-on at $4 per month billed annually rather than part of the app
- They diverge on capability: Brain.fm covers Neuroscience-designed music, Obsidian covers Bidirectional linking.
Where they differ
Only the attributes on which Brain.fm and Obsidian actually diverge.
Identical on both: user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Brain.fm
- Neuroscience-designed music
- Focus tracks
- Relaxation tracks
- Sleep tracks
- Offline mode
- Multiple genres
- Cross-platform access
- Ad-free experience
Only in Obsidian
- Bidirectional linking
- Graph view visualization
- Markdown support
- Local file storage
- Plugin ecosystem
- Custom CSS themes
- Templates
- Search and tags
What people use each for
The jobs each tool is most often brought in to do.
Brain.fm
- Knowledge workers requiring focus audio for deep work blocksnot Obsidian
- ADHD individuals seeking neurologically-optimised audio for concentrationnot Obsidian
- Students preparing for exams with learning and meditation supportnot Obsidian
Obsidian
- Local-first markdown note taking with no account requirednot Brain.fm
- Linking notes into a personal knowledge graphnot Brain.fm
- Syncing a vault across devices with end-to-end encryption on the paid add-onnot Brain.fm
- Publishing a public site from a vaultnot Brain.fm
- Extending the editor with community pluginsnot Brain.fm
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Brain.fm
- Monthly plan at $14.99/month significantly more expensive per unit than annual plan ($8.33/month equivalent)
- ADHD mode available only with active subscription; no trial access to specialised features
- No offline mode documented; requires internet connectivity for audio delivery
- Content library composition not published (proprietary vs. licensed music distinction unclear)
Obsidian
- Sync is a paid add-on at $4 per month billed annually rather than part of the app
- Publishing to the web is a further $8 per month per site
- Commercial use asks for a $50 per user per year licence, though the vendor states it is not required
- Collaboration is limited compared with a hosted notes tool, since the vault is local files first
Pricing, plan by plan
Brain.fm
$14.99/monthNo published plan breakdown. See the Brain.fm review.
Obsidian
Free- Obsidian Sync$4/month
- Sync notes across devices
- Obsidian Publish$8/month
- Turn notes into a website
Which should you pick?
Choose Brain.fm if
- You need neuroscience-designed music.
- You work on Web, iOS, Android, Desktop.
- You also want focus tracks.
Choose Obsidian if
- You need bidirectional linking.
- You want to start without paying.
- You work on Web, Windows, macOS, Linux, iOS, Android.
- You also want graph view visualization.
Questions people ask
- Is Brain.fm or Obsidian better?
- Neither clearly leads. Brain.fm starts at $14.99/month and Obsidian at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Brain.fm or Obsidian?
- Obsidian has a free tier; the other does not. Paid plans start at $14.99/month for Brain.fm and Free for Obsidian.
- Does Brain.fm or Obsidian run on more platforms?
- Brain.fm runs on Web, iOS, Android, Desktop. Obsidian runs on Web, Windows, macOS, Linux, iOS, Android.
- Can I use Obsidian for free?
- Yes. Obsidian has a free tier, so you can try it without paying. Brain.fm starts at $14.99/month.
- What is Brain.fm best used for?
- Brain.fm is most often used for knowledge workers requiring focus audio for deep work blocks, adhd individuals seeking neurologically-optimised audio for concentration, students preparing for exams with learning and meditation support. Of those, knowledge workers requiring focus audio for deep work blocks and adhd individuals seeking neurologically-optimised audio for concentration are not what Obsidian is typically brought in for.
- What can Brain.fm do that Obsidian cannot?
- Brain.fm covers Neuroscience-designed music, Focus tracks, Relaxation tracks, Sleep tracks. Obsidian covers Bidirectional linking, Graph view visualization, Markdown support, Local file storage.
Answered from the vendors’ own pages
Obsidian: Is Obsidian free?
Yes. The core Obsidian application is 100% free for personal and commercial use with no limitations. You can use unlimited vaults and every core feature without payment.
SourceObsidian: What file format does Obsidian use?
Obsidian stores every note as a plain Markdown file. Because it uses standard Markdown instead of a proprietary format, your notes remain portable and can be edited with many other Markdown editors.
SourceObsidian: Can I collaborate with others in Obsidian?
The core application does not include built-in team collaboration features. However, Obsidian offers optional add-ons and can be used with version control systems or cloud storage for collaboration.
SourceRelated pages
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- Obsidian vs Any.do
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- Obsidian vs Forest
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