From work log
to approved invoice

Track your work, send it for review, get approval, and generate invoices.

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Your client approval workflow

Track your work

Capture every hour, fixed-fee task, and billable detail the moment it happens. Otterflow keeps the work log organized by client and project, so review day starts from a clean record instead of a late-night spreadsheet cleanup.

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Turn it into a client-ready review

Turn raw entries into a polished client review with clear sections, readable notes, and totals that explain what was done. The client sees context before the invoice, not a vague list of line items after the fact.

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Get approval before you invoice

Share one secure review link and give the client a focused place to approve, question, or request changes. The decision happens before billing, which keeps expectations clear and removes the usual email thread around what is ready to invoice.

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Generate the invoice instantly

When the review is approved, the invoice is already aligned with the accepted work. You can move from approval to billing with consistent details, fewer manual edits, and a cleaner handoff from completed work to payment tracking.

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How freelancers are using Otterflow

Share work with confidence

Send clients a clean, structured review instead of a raw timesheet. They can see what was done, what they are approving, and why the invoice matches the work.

Build trust before you bill.

Keep recurring work organized

Track hourly work, fixed work, and notes in one place, then turn them into the same approval flow every cycle without extra cleanup.

Stay organized without extra admin.

Invoice faster

Move from approved work to invoice without re-entering details or checking multiple tools. Everything stays aligned from review through billing.

Get paid with less friction.

Tracking time is easy — Otterflow fixes everything that comes after, turning your work log into client-ready approvals and invoices in one seamless flow.

No exports. No copy-paste. No confusion.

Before Otterflow preview

Before

Spreadsheets, emails, and messy exports. Work scattered across tools. Approval unclear.

After Otterflow

One clear flow from work to invoice. Structured, reviewed, and ready to send.

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Free covers light usage. Pro unlocks unlimited clients, projects, reviews, and invoices.