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All three charge $25 to start and connect you to a live notary by video around the clock. The differences are in the extras: what an additional seal costs, how they handle signers abroad, and how polished the experience is. Here’s which to pick for your document.
Prices from each provider’s website, checked Nov 2026. Witnesses and real estate closings are priced separately.
For a single seal, all three start at $25. If your document needs several seals, OneNotary is cheapest because extra seals are $10 instead of $15 at Notarize.
Yes. Notarize is a service offered by Proof, which runs the same notary network for businesses.
NotaryCam, which serves signers in more than 145 countries and lists a price for signers without a U.S. Social Security number. Online identity checks often rely on U.S. records, so confirm before you book.