Start free, no card required. Upgrade when you need more competitions, submissions and judges. Every plan includes the full authorship record.
Plans & credits above are for organisers running competitions. Just want to certify your own writing? See below.
No competition needed. Write anything in our monitored canvas and earn a signed, shareable Proof-of-Human Authorship certificate — plus a public portfolio at /w/your-handle. Pay-as-you-go, no subscription.
You spend one credit per scored submission. No per-seat traps, no metering on keystrokes — the whole authorship record is included.
Keystroke recording, paste detection and the tamper-evident record are on from the Free plan up. Higher tiers add replay, AI judge query and bulk export.
Month-to-month or annual (save 20%). Move between plans as your programme grows — changes are immediate and prorated.
One credit scores one submission — the full authorship record, behavioural analysis and confidence score. Each plan includes a monthly credit allowance; you can top up anytime.
No. The Free plan is free forever and needs no card. Add billing only when you upgrade.
Yes — upgrade or downgrade whenever you like. Changes take effect immediately and are prorated.
A single writer’s entry to a competition. Limits are per competition, so a Starter plan can run 3 competitions of up to 500 entries each.
Unlimited competitions, submissions and judges, SSO, custom contracts and SLAs, plus dedicated onboarding and support.