# BreedTools > The modern dog breeding management app. PWA on every device. Free tier with no credit card. Public buyer pages, stud marketplace, COI calculator, digital contracts, buyer pipeline. Subscription only — never sells or shares user data, never shows ads. BreedTools is a Next.js 16 PWA built for dog breeders managing kennels of all sizes — hobby breeders raising one litter a year through commercial kennels running multiple dams. Distinct from typical breeder software: works on every device, has a real free tier (10 dogs, 1 active litter, no card required), public buyer-facing pages, built-in stud marketplace with verified reviews, financial tracking with per-litter P&L, and digital contracts with e-signature. The product is at breedtools.app. The free tools and content site is at breedtools.com. ## Marketing & Product - [Homepage](https://breedtools.app/): overview of features, pricing, and the breeding management workflow. - [Why BreedTools](https://breedtools.app/why-breedtools): comparison vs. typical breeder software — works on every device, real free tier, no ads, never sells data. - [Features](https://breedtools.app/features): full feature list — litter management, health records, growth curves for 289 breeds, COI calculator, Volhard temperament testing, buyer pipeline, digital contracts, stud marketplace, financial tracking. - [Pricing](https://breedtools.app/pricing): Free tier (10 dogs, 1 active litter), Pro ($9/mo or $79/yr), Premium Plus ($19/mo or $159/yr). - [Free Dog Breeding Software](https://breedtools.app/free-dog-breeding-software): explains what's actually included in the free tier — no card, no trial expiry, full feature access on all of: pedigree, COI calculator, growth curves, health records, public puppy pages. ## Public Directories - [Stud Dogs Directory](https://breedtools.app/studs): verified stud dog profiles with documented health clearances, conception rates, and dam-owner reviews. Filterable by breed, state, and service method (natural cover, fresh AI, fresh-chilled AI, frozen AI). - [Dog Breeders Directory](https://breedtools.app/breeders): verified kennel profiles. Each profile maintained live by the breeder inside the platform — no stale ads, no anonymous listings. - [Available Litters Directory](https://breedtools.app/litters): live-updated public litter pages. Each litter shows dam, sire, whelp date, current puppy availability. - [Breed Match Quiz](https://breedtools.app/quiz): free quiz that helps prospective owners find a breed that fits their lifestyle, household, and experience level. ## How It Works - Breeders sign up at [breedtools.app/signup](https://breedtools.app/signup) (no credit card required). - They add their dogs, log heat cycles, plan litters, track puppy weights against breed-specific growth curves (289 breeds supported), record health testing results, and manage a buyer pipeline from inquiry through completion. - Public profile pages and buyer-facing surfaces are auto-generated from the live data — buyers see real-time weight charts, vaccination records, photos, and pedigree info. - Digital contracts are signed via type-to-sign on a tokenized public link. - Stud owners list dogs publicly and receive verified reviews from dam owners after completed services. ## Policies - [Privacy Policy](https://breedtools.app/privacy): data is never sold or shared with third parties for advertising or marketing. Auth cookies only — no tracking pixels. - [Terms of Service](https://breedtools.app/terms): standard SaaS terms. ## Optional - [Companion content site](https://breedtools.com): free breeding tools, COI calculator, breeder resources, and educational content. Separate codebase from the .app product; runs no ads. - Tech stack: Next.js 16 App Router, TypeScript, Supabase, Stripe, Recharts, Dexie.js, React PDF, Framer Motion, Sentry. Hosted on Vercel + Cloudflare.