JD's Lone Wolf Studio
Independent software studio building focused products for freelancers and solo professionals.
Based in Utah · Registered LLC
Independent software studio building focused products for freelancers and solo professionals.
Based in Utah · Registered LLCThe simplest way for solo freelancers to track time, send invoices, and get paid via Stripe.
Built for freelancers who'd rather be working. One tool to track time, generate invoices, and collect payments via Stripe — no bloat, no learning curve, just what you actually need.
Invorro is the studio's flagship product and our only paid offering. Start free, upgrade when you grow — no contracts, no setup fees.
Everything you need to try Invorro on a first client.
For freelancers billing regularly across multiple clients.
Pro is billed monthly in US dollars and renews automatically until cancelled. Cancel any time from your account settings — see our Refund & Cancellation Policy. Prices shown exclude any applicable taxes.
JD's Lone Wolf Studio is run by a senior software engineer with deep experience in project management, technical leadership, and engineering management. After years of building and shipping software at scale, the studio was founded on a simple conviction: the best solutions are the simplest ones.
Every product from the studio is designed with that philosophy in mind — solve real problems, strip away the unnecessary, and respect people's time. No investor pressure, no feature bloat — just useful tools built with care by someone who understands the craft from the ground up.
Currently, the studio's primary focus is Invorro, a time tracking and invoicing platform purpose-built for freelancers. More products are on the way.
Questions about a product, billing, or a refund? Email us — we reply within 1–2 business days.