Softwr

Productivity · head to head

Brain.fm vs Grammarly

Brain.fm logo

Brain.fm

Productivity

Scientifically-designed music to enhance focus and productivity

From
$14.99/month
Rated
-
Full reviewWebsite
Grammarly logo

Grammarly

All industries

Great writing, simplified

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Grammarly 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); Grammarly occasional false positives and grammatically incorrect suggestions that can introduce errors
  • They diverge on capability: Brain.fm covers Neuroscience-designed music, Grammarly covers Grammar checking.

Where they differ

Only the attributes on which Brain.fm and Grammarly actually diverge.

Attributes where Brain.fm and Grammarly differ
AttributeBrain.fmGrammarly
Starting price$14.99/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, iOS, Android, DesktopWeb, macOS, Windows, iOS, Android
CategoryProductivityAll industries
Founded20152009

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 Grammarly

  • Grammar checking
  • Spelling correction
  • Punctuation
  • Clarity suggestions
  • Engagement feedback
  • Delivery insights
  • Plagiarism checker
  • Citation generator

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 Grammarly
  • ADHD individuals seeking neurologically-optimised audio for concentrationnot Grammarly
  • Students preparing for exams with learning and meditation supportnot Grammarly

Grammarly

  • Email writingnot Brain.fm
  • Document editingnot Brain.fm
  • Academic writingnot Brain.fm
  • Business communicationnot Brain.fm
  • Content creationnot 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)

Grammarly

  • Occasional false positives and grammatically incorrect suggestions that can introduce errors
  • Privacy concerns about sending text to Grammarly's servers for analysis
  • AI capabilities sometimes produce hallucinations and fabricated citations that appear grammatically correct

Pricing, plan by plan

Brain.fm

$14.99/month

No published plan breakdown. See the Brain.fm review.

Grammarly

Free
  • FreeFree
    • Basic grammar and spelling checks
    • Tone visibility
    • 100 AI prompts per month
  • Pro$12/month
    • Sentence rewrites
    • Tone adjustment
    • Plagiarism and AI detection

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.
Brain.fm review

Choose Grammarly if

  • You need grammar checking.
  • You want to start without paying.
  • You work on Web, macOS, Windows, iOS, Android.
  • You also want spelling correction.
Grammarly review

Questions people ask

Is Brain.fm or Grammarly better?
Neither clearly leads. Brain.fm starts at $14.99/month and Grammarly at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Brain.fm or Grammarly?
Grammarly has a free tier; the other does not. Paid plans start at $14.99/month for Brain.fm and Free for Grammarly.
Does Brain.fm or Grammarly run on more platforms?
Brain.fm runs on Web, iOS, Android, Desktop. Grammarly runs on Web, macOS, Windows, iOS, Android.
Can I use Grammarly for free?
Yes. Grammarly 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 Grammarly is typically brought in for.
What can Brain.fm do that Grammarly cannot?
Brain.fm covers Neuroscience-designed music, Focus tracks, Relaxation tracks, Sleep tracks. Grammarly covers Grammar checking, Spelling correction, Punctuation, Clarity suggestions.

Answered from the vendors’ own pages

Grammarly: Does Grammarly have a free version?

Yes, Grammarly offers a free tier with basic spelling, grammar, and punctuation checks, tone visibility, and 100 AI prompts per month. The Pro plan ($12/month annual) adds sentence rewriting, plagiarism detection, and 2,000 AI prompts.

Source
Grammarly: What platforms does Grammarly work with?

Grammarly works across 1 million+ apps including Google Docs, Microsoft Word, Outlook, Slack, Gmail, and web browsers. It also integrates with productivity tools like Asana, Jira, Monday.com, Confluence, and HubSpot.

Source
Grammarly: Can I use Grammarly offline?

Grammarly requires an internet connection to function, though the browser extension works with some offline text areas. For offline use, the desktop app and browser extensions sync when reconnected.

Source
Grammarly: What is included in the Enterprise plan?

The Enterprise plan includes unlimited team members, dedicated support, custom roles and permissions, data loss prevention, bring-your-own-key encryption, and unlimited AI prompts. Pricing is custom and available by contacting sales.

Source
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