Pricing

Simple subscription, priced for real engineering delivery.

Two paid tiers, spaced for independent engineers and small teams. Yearly saves 20%.

Sketch

Try the drafting engine at no cost.

$0free

2 drafts / month

›Chat spec drafting
›1 concept diagram per draft
›Watermarked concept outputs

Start in Studio

Studio

For independent engineers and students shipping real specs.

$23/mo

20 drafts / month

›Full structured spec drafting
›All six concept diagram types
›Engineering Brief PDF export

Firm

For small teams that put out proposals every week.

$58/mo

Unlimited drafts

›Everything in Studio
›How-it-works explainer video
›Assembly walkthrough animation
›Branded Brief (your logo and title block)
›Priority visual rendering

Pure subscription, USD only. Monthly draft allowance resets each period and does not roll over. No credits, no stored balance. Cancel anytime; access continues to the end of the paid period.

Pricing questions

Is this a subscription or credits?: A pure subscription. Each plan includes a monthly draft allowance that resets every period and does not roll over. There are no credits and no stored balance.
What currency are prices in?: All prices are in US dollars (USD). Billing is handled by Stripe; Denforge never sees your full card number.
Can I cancel?: Yes, anytime. Access continues to the end of the paid period. Unused monthly allowance is not refunded; see the Refund & Cancellation Policy.
What does the free Sketch tier include?: Two drafts per month with chat spec drafting and one concept diagram per draft, watermarked. Upgrade for the full six diagram types, brief export, and explainer video.