
Ziflow
Approval Studio
Filestage
ReviewStudio
GoVisually
Ashore App
Workfront
Online proofing of anything and everything, made simple. Streamline feedback for easy collaboration, secure workflows, and faster approvals. PageProof. The smarter way to review.

Filestage
Ziflow
DocuSign
PandaDoc
Adobe Sign
Approval Studio
Ashore App
Client approval and eSignature software for agencies, freelancers, and client-facing teams. Manage revisions, exact-version sign-off, and signed PDFs.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | pageproof.com | signproof.dev |
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| Company | 2013 | Startup from Canada · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


PageProof is the only fully encrypted online proofing solution that offers native integrations into all your design, communication, and project management tools like Adobe, Canva, monday.com, Asana, Trello, Slack, MS Teams, and more. Files of any kind - Adobe CC, Microsoft Office, Apple Keynote /...
SignProof is client approval and electronic signature software for agencies, freelancers, consultants, developers, and client-facing teams. It helps teams send deliverables for review, collect revision requests, preserve exact-version history, capture client sign-off, and retain approval records....
What each product offers, as listed by its team.


An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
PageProof is highly recommended for marketing teams, design studios, creative agencies, and publishing firms. It is ideal for any group that deals with multimedia content and requires efficient review and feedback mechanisms to ensure high-quality deliverables.
No analysis of SignProof.dev yet.
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing PageProof and SignProof.dev.
SignProof.dev's answer:
SignProof is designed for teams that need both client approval and document signing without managing separate disconnected tools. It keeps revisions, version-specific approvals, sign-off history, signed documents, and supporting records connected to the same client workflow. It also offers a free plan, straightforward paid plans, client-facing review links, and developer capabilities on the Business plan.
SignProof.dev's answer:
SignProof combines client approval workflows and PDF electronic signatures in one workspace. Teams can send deliverables for review, collect revision requests, preserve exact-version history, capture client sign-off, and retain approval records. A separate document-signing workflow handles finished PDFs with recipients, signing fields, signed PDFs, and Signing Records. SignProof also supports branded client experiences, team collaboration, custom domains on eligible plans, and developer workflows through its REST API and signed webhooks.
SignProof.dev's answer:
SignProof is built for agencies, freelancers, consultants, creative teams, web designers, developers, contractors, and other client-facing teams that need a clear way to collect feedback, manage revisions, obtain final approval, and send PDFs for electronic signature.
SignProof.dev's answer:
SignProof was created to solve a common problem in client work: feedback, revised versions, approvals, signatures, and proof of what was accepted often end up scattered across email, chat, files, and separate signing tools. SignProof brings those steps together so teams can keep the work, the client decision, and the approval or signing record connected from review through final delivery.
SignProof.dev's answer:
React, TypeScript, Firebase, Google Cloud, Cloud Run, Firestore, Stripe, and Resend.
SignProof.dev's answer:
SignProof does not publicly disclose customer names at this stage.
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