Send the link.
Clients review. Approved.

Client approval software is a tool that lets an agency send a piece of content to a client, capture the client's approval decision, and keep a permanent record of who approved which version on what date. The job is replacing email-thread approvals (which lose the version) and project-management approvals (which require client logins) with a single workflow the client can complete in under 30 seconds from their inbox.

No — and that's the whole point. Writerflow uses magic links: the client clicks a link in their email, sees the document in their browser, leaves comments, and approves or requests changes. No signup, no password, no app download, no learning curve. Reviewer access is always free, regardless of which plan your agency is on. This is the single biggest reason tools like Filestage and Monday.com get abandoned by agencies in 8 weeks — they force clients to create accounts, clients refuse, and the agency drops the tool.

Google Docs has comments, but it doesn't anchor approval to a specific version. If a client says "I approved v2" and you've since edited the doc, you can't prove what v2 actually looked like at the moment of approval. Writerflow locks every approval to the exact draft the client said yes to, timestamps it, and exports the audit trail when you need it. The day a client says "I never approved that," you have the proof.

Writerflow sends automatic reminders on a schedule you set. You can also configure silence-as-approval for low-stakes approvals (the reviewer is informed, given a deadline, and if they don't respond, the work proceeds). Per-reviewer deadlines mean an unresponsive client can't single-handedly stall an entire pipeline. You see at a glance which client is the bottleneck — and have data when it's time for that conversation.

Writerflow is purpose-built for written client content — blog posts, articles, newsletters, briefs, white papers, ad copy, scripts, press releases, and long-form marketing content. For visual proofing of design files or video assets, tools like Filestage or Ziflow are a better fit. The two categories use the word "approval" but the workflows, review surfaces, and tooling are different.

Filestage is well-built for visual proofing (design, video, banner ads). Writerflow is built for written content. The other meaningful difference is the client experience — Filestage requires reviewers to create an account, which is the #1 reason agencies report abandoning it (corroborated in Filestage's own Trustpilot reviews). Writerflow's magic-link review means your client never signs in. If you've already lived through a Filestage rollout that the team gave up on, the no-client-login architecture is the specific fix. See the full Writerflow vs. Filestage comparison.

Three uses. (1) Dispute resolution — when a client says "I never approved that," you can export a timestamped record of who approved what version on what date, with their IP and email captured. (2) Client-side documentation — for agencies serving regulated-industry clients (financial services, healthcare, legal) where the client needs to show a record of content sign-off. (3) Internal accountability — when a piece ships wrong, you can show whether it was an internal review failure or a client-side approval that came in late. Writerflow itself is not currently SOC2-certified — agencies whose own organization requires enterprise compliance gates (SOC2 Type II, SSO/SCIM, EU data residency) should reach out before signing.

Plans start at $49/month for solo and small teams. Mid-tier plans for agencies run $99-$299/month and include unlimited clients, multi-stage approvals, and audit trails. See full pricing — reviewer access is always free on every plan.