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AI-Native

SaaS Starter

Context engineered to fully understand auth, billing and the backend. Built by industry veterans and designed to be used with agentic AI models to build full apps from prompts.

Read the SaaS Photoshop Case Study

Full build video included, from start to finish, with just prompts.

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PromptSTARTERAPP

Built with modern, production-proven technologies

Next.js
TypeScript
Convex
Better Auth
Stripe
PostHog
UseAutumn

Production-Ready SaaS

Every page ships complete and ready to use. Marketing site, dashboard, billing portal, authentication flows. All built with production patterns and security from the start. The live demo includes working authentication and billing.

Home Page – Light

Features & Foundation

Authentication

Drop in secure sign-in with BetterAuth, including OAuth providers, session lifecycle, and typed helpers.

Billing & Subscriptions

Stripe subscriptions, trials, usage billing, and invoicing come prewired with sensible defaults.

Customer Portal

Customers manage cards, invoices, upgrades, and downgrades through a built-in portal.

Organizations

Multi-tenant organizations with role-based access control, team invitations, and automatic workspace creation for every user.

Feature Gating

Align pricing with product using one helper to gate pages, APIs, and components by plan.

Database

Convex supplies realtime data, serverless functions, and access rules without ORM maintenance.

Security

CSP, CSRF, rate limits, and typed error handling ship preconfigured for production checks.

Internationalization

Complete i18n infrastructure with automatic locale detection, SEO-first routing, and fallback chains. Ships with English and Spanish.

Analytics & Monitoring

PostHog integration captures product usage, funnels, and performance metrics with dashboards ready to read.

Marketing Pages

Hero, pricing, legal, and landing sections ship ready to edit so marketing keeps pace with product.

Dashboard

The admin dashboard ships with structured navigation, account settings, billing controls, and extensible layouts.

Design System

Production design system built on semantic tokens with zero hardcoded colors. Automatic dark mode and consistent UI across all pages.

shadcn/ui

A curated shadcn/ui kit pairs Tailwind + Radix components with sensible defaults.

Dark Theme

System-aware theming keeps palettes aligned across light and dark, remembering each user’s choice.

Mobile Friendly

Responsive layouts stay touch-friendly and fast on every screen size.

SEO Ready

Metadata, OpenGraph, structured data, sitemaps, and robots.txt are preconfigured for search visibility.

Complete Test Suite

Vitest unit suites, Playwright end-to-end flows, and Testing Library coverage keep regressions in check.

Code Quality

Strict TypeScript, Ultracite linting, and automated formatting keep the codebase predictable.

Documentation

Documentation packages examples, API references, and workflow guides so teams can extend confidently.

Lifetime Updates

One-time purchase includes all future updates. New features, security patches, and framework upgrades with no recurring fees.

Designed For AI

  • Agent-Ready by Design

    Agent-ready structure ensures automated changes land exactly where they should.

  • Automatic Context Engineering

    AI sessions start with shared context that keeps every run consistent.

  • Spec-Driven Development

    Supports PRP, PRD, SpecKit, and BMAD, turning specs into shipping plans without drift.

  • Template Intelligence

    Copy-paste patterns let agents ship auth, billing, UI, and tests that feel on-brand.

  • Works with Major AI Platforms & IDEs

    Seamless compatibility with the leading AI models and IDE agents you already use.

  • Testing-First Core

    Test-first automation keeps every AI change accountable and regression-free.

  • Secure-by-Default Guardrails

    Production-grade security comes built in, ready for humans and agents alike.

  • Auto-Generated Documentation

    Documentation updates itself and keeps everyone on the same truth.

  • Assisted AI Debugging

    Debug playbooks guide every fix from symptom to verification.

  • AI Architecture Planner

    AI-generated plans map the work before coding begins.

  • AI-Assisted Git & PRs

    Commit helpers and PR checklists keep reviews fast and predictable.

  • MCP-Ready Integration

    Model Context Protocol support lets agents call tools without sacrificing control.

Pricing

One-time purchase. Unlimited launches.

StarterApp ships with a permissive license that covers unlimited teammates and projects for personal or commercial work. Review the license.

StarterApp mirrors a production SaaS stack (Next.js 15, Convex, BetterAuth, Stripe) so teams start from a proven architecture instead of wiring pieces together first.

Built-in AI workflows, security guardrails, and compliance-friendly defaults mean you can ship confidently with CSP, CSRF, and rate limiting already in place.

StarterApp is the fastest path from prompt to production, pairing AI-native tooling with a codebase that is ready on day one.

Lifetime Access
$249one‑time
No hidden fees or subscriptions
  • Complete StarterApp source code
    Comes with full codebase of live demo.
  • Core SaaS foundation
    Authentication, billing, security, analytics, and AI tooling ready to ship.
  • AI-assisted onboarding and full documentation
    Kick off with a single AI initialize command that sets up the project, installs dependencies, and adapts the codebase to your SaaS.
  • Backend fully configured and integrated
    Convex database, Stripe billing, and backend helpers connected with typed interfaces.
  • Testing stack ready to run
    Vitest unit suites, integration harness, and Playwright end-to-end flows included out of the box.
  • AI command center
    25 AI commands including AI architect, code reviewer, marketing text polisher, and performance auditor. View all.
  • Lifetime updates and new releases
Get lifetime access

Frequently Asked Questions

Answers to pricing, licensing, and technical onboarding so you know exactly what comes next.

Still need clarity?

We reply within one business day.