Softwr

Productivity · head to head

BoldSign vs Brain.fm

BoldSign logo

BoldSign

Productivity

eSignature API and app for developers and teams

From
Free
Rated
-
Full reviewWebsite
Brain.fm logo

Brain.fm

Productivity

Scientifically-designed music to enhance focus and productivity

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: BoldSign premium plan: additional envelopes cost $0.50 each after 250/month limit; Brain.fm monthly plan at $14.99/month significantly more expensive per unit than annual plan ($8.33/month equivalent)
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where BoldSign and Brain.fm differ
AttributeBoldSignBrain.fm
PlatformsWebWeb, iOS, Android, Desktop
FoundedUnknown2015

Identical on both: starting price (Free), pricing model (subscription), free tier (Yes), user rating (Not yet rated), category (Productivity).

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 BoldSign

Nothing recorded that Brain.fm does not also cover.

Only in Brain.fm

  • Neuroscience-designed music
  • Focus tracks
  • Relaxation tracks
  • Sleep tracks
  • Offline mode
  • Multiple genres
  • Cross-platform access
  • Ad-free experience

What people use each for

The jobs each tool is most often brought in to do.

BoldSign

  • eSignature automationnot Brain.fm
  • Contract signingnot Brain.fm

Brain.fm

  • Focus and deep worknot BoldSign
  • Sleep improvementnot BoldSign
  • ADHD supportnot BoldSign
  • Stress reductionnot BoldSign
  • Creative work sessionsnot BoldSign

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

BoldSign

  • Premium plan: additional envelopes cost $0.50 each after 250/month limit
  • Monthly billing costs 60-85% more than yearly billing (no 40% discount)
  • Enterprise API requires minimum $30/month

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)

Pricing, plan by plan

BoldSign

Free
  • EssentialFree
    • 25 envelopes/month
    • 2 templates
    • No additional users
  • Growth$5/month yearly
    • 50 envelopes/month
    • 10 templates
  • Business$15/month yearly
    • Unlimited envelopes
    • Unlimited templates
    • SSO
  • Premium$99/month yearly
    • 250 envelopes/month
    • Unlimited users

Brain.fm

Free
  • Monthly$14.99/month
    • Task-based audio across all categories
    • Focus modes: Deep Work, Creativity, Learning, Light Work, Motivation
    • Relaxation modes: Unwind, Destress, Recharge, Chill
  • Yearly$99.99/year
    • All monthly plan features
    • 40% savings vs. monthly billing
    • Task-based audio across all categories

Which should you pick?

Choose BoldSign if

  • You want to start without paying.
BoldSign review

Choose Brain.fm if

  • You need neuroscience-designed music.
  • You want to start without paying.
  • You work on Web, iOS, Android, Desktop.
  • You also want focus tracks.
Brain.fm review

Questions people ask

Is BoldSign or Brain.fm better?
Neither clearly leads. BoldSign starts at Free and Brain.fm at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, BoldSign or Brain.fm?
BoldSign starts at Free and Brain.fm at Free.
Does BoldSign or Brain.fm run on more platforms?
BoldSign runs on Web. Brain.fm runs on Web, iOS, Android, Desktop.
Can I use BoldSign for free?
Both have a free tier, so you can try either at no cost before committing.
What is BoldSign best used for?
BoldSign is most often used for esignature automation, contract signing. Of those, esignature automation and contract signing are not what Brain.fm is typically brought in for.
What can BoldSign do that Brain.fm cannot?
Brain.fm covers Neuroscience-designed music, Focus tracks, Relaxation tracks, Sleep tracks.

Answered from the vendors’ own pages

BoldSign: Does BoldSign offer a free plan?

BoldSign's Essential plan is free and includes 25 envelopes per month, 2 templates, and basic features like audit trails and authentication.

Source
Brain.fm: How much does Brain.fm cost?

Brain.fm costs $14.99/month or $99.99/year. The yearly plan offers 40% savings compared to paying monthly.

Source
BoldSign: How much does the BoldSign Growth plan cost?

The Growth plan costs $5 per month per user with annual billing or $15 per month per user with monthly billing, including 50 envelopes/month per user.

Source
Brain.fm: Can I try Brain.fm before paying?

Yes. Brain.fm offers a free trial before you commit to either the monthly or yearly paid plan.

Source
BoldSign: What are the overage fees for BoldSign's Premium plan?

The Premium plan includes 250 envelopes per month for $99-$138/month, with additional envelopes charged at $0.75 per envelope.

Source
Brain.fm: What audio modes does Brain.fm offer?

Brain.fm includes task-based audio for Focus (Deep Work, Creativity, Learning, Light Work, Motivation), Relaxation (Unwind, Destress, Recharge, Chill), Sleep (Guided Sleep, Deep Sleep, Sleep and Wake, Wind Down, Power Nap), and Meditation (Guided and Unguided).

Source
BoldSign: How much does BoldSign charge for API access?

BoldSign's Enterprise API costs $0.75 per envelope with a minimum charge of $30/month and includes 40 envelopes and 2 application users.

Source
Brain.fm: Can I cancel Brain.fm anytime?

Yes. You can cancel at any time from your Account Overview or by contacting support. There are no long-term contracts.

Source
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