Pricing
Simple pricing.
Built for real work.
Choose the approach that fits how you work. Subscriptions keep documentation in place. One-time records cover a specific moment.
01
Individual
For individual writers and solo projects.
$8/ month
billed annually ($9 month-to-month)
- +Private records
- +Timestamped snapshots
- +Cryptographic hashes
- +Version history
- +Evidence packet generation
- +Registration-ready exports
Recommended
02
Professional
For writers sharing work or submitting regularly.
$18/ month
billed annually ($19 month-to-month)
- +Everything in Individual
- +Watermarked sharing links
- +Viewer identifiers
- +Expanded version history
- +Priority support
- +SendProof (Preview)
03
Studio / Team
For teams, collectives, or production environments.
$35/ month
billed annually ($39 month-to-month)
- +Everything in Professional
- +Shared project spaces
- +Multiple collaborators
- +Team access controls
- +Administrative visibility
- +Extended retention
Or
One-time option
Best when you need a dated record for a specific moment. Plans are for ongoing documentation.
One-time record
A complete, timestamped record for a specific moment. Best when you need documentation once, without ongoing tracking.
$29
per one-time record
+Timestamped authorship record
+Cryptographic fingerprint (SHA-256)
+Downloadable evidence pack
+Controlled sharing with tracking
Questions about which plan fits?
We are happy to help you figure out the right approach for your work.
ProofMark creates neutral documentation and proof of existence. It does not provide legal advice, notarization, or enforcement.