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SPECIFICTION
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Flatproof vs ProofForge

Flatproof

flatproof.app

ProofForge

proofforge.printforgeapps.com

Side by side

FigureFlatproofProofForge
Price from$5/moA$29/mo
Free planYes—
Free trial—Yes
Open source——
WebYesYes
Plans published31
Spec score · Design Proofing Software8.1 (#11)8.2 (#8)
SecurityFlatproof says it uses access controls, signed upload and download flows, rate limits on sensitive endpoints, encryption where appropriate, and production security headers.The privacy policy says files are kept in private buckets and accessed through temporary signed URLs, with encryption in transit and at rest and row-level security policies.
SupportRefund requests are handled by emailing support from the address associated with the Flatproof account.The product lists a contact form and the email [email protected] for enquiries.
WorkflowUsers can upload or import a proof, share one link, collect comments, manage versions, and record approvals.Users upload artwork, share a branded proof link, and collect client approvals in the browser without requiring clients to create accounts.

Plans

Flatproof

  • FreeFree
  • Solo$5 a month
  • Studio$29 a month

Flatproof pricing →

ProofForge

  • ProofForge ProA$29 a month

ProofForge pricing →

In their own words

Flatproof

Flatproof is web-based proofing software for client approvals. It handles images, PDFs, videos, audio, live websites, Figma links, presentations, and other uploaded files. A user can upload or import a proof, share one link, gather comments, manage versions, and record approvals. Clients and reviewers can comment and approve through that link without becoming paid seats. Annotation tools, approval workflow, version history, and guest reviewers are included. AI review inspects selected areas and creates private draft suggestions that the user may turn into feedback. Google Drive and Figma integrations are shown for importing source files or frames. Flatproof has a free plan with 200MB storage and 25MB uploads, plus unlimited creators and reviewers. Solo costs $5 a month with 100GB storage; Studio costs $29 a month with 1TB storage and bring-your-own AI key. The product is in beta, so bugs and interruptions may occur.

Visit flatproof.app

ProofForge

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

Visit proofforge.printforgeapps.com