shouldiuse.io

Comparison

F6S vs Gust

F6S lands on Worth it, and Gust lands on Depends.

F6S

Worth it
Confidence: Medium

Worth using if you're an early-stage founder applying to accelerators or claiming software perks . it costs nothing.

Gust

Depends
Confidence: Medium

Buy it if you're a first-time US founder who wants incorporation, cap table, and fundraising in one place.

F6S versus Gust
CompareF6SGust
VerdictWorth itDepends
Best forEarly-stage founders applying to acceleratorsFirst-time US founders incorporating
Who it's not forEstablished companies or enterprisesFounders who only need a simple cap table . use a spreadsheet or
PrivacyOne community-disclosed XSS via Open Bug Bounty; no public security page found.10GDPR policy published but no public security page; Hudson Rock lists 7,342 infostealer credentials tied to the domain.
Support qualityMostly positive; some account access complaintsNo usable evidence on support responsiveness
Public sentimentReviewers praise the free, easy setup and deals, while Reddit threads openly question whether a profile delivers real users or funding.¹Reviews are split: G2 users praise how it streamlines complex startup legal and equity work, while Reddit users complain about fees and warn of scam investors.14
Biggest gotchaProfile usefulness is questioned by founders; don't count on inbound leads⁵Scam-investor outreach reported by users . verify anyone who contacts you

Pick F6S when

  • Early-stage founders applying to accelerators
  • Startups chasing free software deals
  • Founders recruiting early talent
  • Accelerators running application rounds

When F6S is not a fit

  • Established companies or enterprises
  • Teams expecting funding from a listing alone
  • Buyers wanting a sales CRM or contact database
  • Procurement teams needing vendor security documentation

Pick Gust when

  • First-time US founders incorporating
  • Startups prepping an angel/seed round
  • Angel investor groups managing deal flow
  • Founders bundling cap table + legal docs

When Gust is not a fit

  • Founders who only need a simple cap table . use a spreadsheet or Captable.io
  • Later-stage teams with complex equity (they outgrow it)
  • Guess: YC-track founders . Clerky is the usual pick in that thread
  • Guess: founders not set on a Delaware entity

Sources

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