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SPECIFICTION
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BriefSmith vs Proposely

BriefSmith

briefsmith.io

Proposely

proposely.dev

Side by side

FigureBriefSmithProposely
Price from$29/mo$10/mo
Free plan——
Free trialYes—
Open source——
WebYesYes
Plans published32
Spec score · AI Proposal Generators8.3 (#8)7.0 (#25)
CompanyThe site identifies Smith Suite Ltd as registered in England and Wales and gives its address as 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ.The homepage says Proposely is “Made for developers, by developers,” but does not state a company name, headquarters, or founding date.
PurposeBriefSmith generates agency proposals and checks them for vague deliverables, missing limits, scope gaps, and over-promises before they reach clients.Proposely generates professional service proposals for developers, freelancers, and automation agencies.
SupportThe site offers direct contact with the founder and lists [email protected] for questions and support.The Pro plan includes priority email support; dedicated support is listed for the coming-soon Agency plan.

Plans

BriefSmith

  • Founding Member$29 a month
  • Standard rate$79 a month
  • Scope Audit$1,500, paid once

BriefSmith pricing →

Proposely

  • Pro$10 a month
  • Agency$25 a month

Proposely pricing →

In their own words

BriefSmith

BriefSmith is web-based proposal software for agencies that drafts proposals and checks their scope before they reach clients. It creates structured documents with an executive summary, approach, deliverables, timeline, investment, payment terms, and scope limits. Its checks flag vague deliverables, missing limits, scope gaps, and over-promises. Teams can set shared proposal structure, tone, and scope limits, then export proposals as branded PDFs or individual proposals as Word documents. BriefSmith tracks proposal status, client opens, and win-rate trends. Its free Scope Check requires no signup and flags scope risks; BriefSmith says submitted text is read once and discarded. The 14-day trial with a card includes the full product without a proposal limit; the no-card option includes three generated proposals. The Founding Member plan is $29 a month, billed at $29/month, with a founding rate locked while subscribed for the first 50 agencies. Briefs are processed by Anthropic, and BriefSmith says content is not used to train AI models.

Visit briefsmith.io

Proposely

Proposely has no write-up on Specifiction yet; its figures are above.

Visit proposely.dev