Chrome extension authentication template
Launch your SaaS faster with a Chrome extension auth starter kit: OAuth2, secure token storage, Manifest V3 support, popup UI & background scripts template.
Launch your SaaS faster with a cross-platform react-native auth starter template: secure sign-in, onboarding, token handling, and prod-ready architecture.






Everything you need to launch your SaaS in no time. Get all the core functionalities and integrations out of the box, so you can focus on making money.
Build for web, mobile, and browser extension simultaneously with a unified codebase.
Comprehensive auth flow with email/password, magic link, social login, and two-factor authentication.
Easily handle one-time or recurring payments from your customers with built-in support for popular providers.
Publish all your apps to all users with a single command. No more manual work.
Beautiful, conversion-optimized landing page with hero sections, features showcase, testimonials, and pricing tables.
TurboStarter's React Native Authentication Kit delivers enterprise-grade security with developer-friendly implementation. Get users signed in safely across iOS and Android with minimal setup.
User Trust & Retention
Secure authentication builds user confidence and reduces churn. Our template implements industry-standard security practices that users expect from professional mobile apps.
Cross-Platform Consistency
Unified authentication experience across iOS and Android platforms. Single codebase with platform-specific optimizations for native feel and performance.
Compliance Ready
Built-in GDPR, CCPA, and SOC 2 compliance features. Includes data protection, consent management, and audit trails for enterprise requirements.
Biometric Integration
Native fingerprint, Face ID, and Android biometric authentication. Secure local storage with hardware-backed keychain integration.
SMS & Email Verification
Two-factor authentication with customizable verification flows. Rate limiting and fraud detection to prevent abuse.
Social Login Security
OAuth 2.0 implementation for Google, Apple, Facebook, and GitHub. Secure token handling with automatic refresh and revocation.
JWT Best Practices
Secure token storage using React Native Keychain. Automatic token refresh, expiration handling, and secure transmission protocols.
Session Management
Device-based session tracking with concurrent session limits. Remote logout capabilities and suspicious activity detection.
Onboarding Flow
Step-by-step user registration with progress indicators. Email verification, profile setup, and tutorial integration.
Offline Authentication
Cached credentials for offline app access. Secure local authentication with sync when connectivity returns.
Deep Link Integration
Password reset and email verification through deep links. Seamless app-to-app authentication flows.
Reduce user drop-off by 40% with optimized mobile authentication flows.
iOS Integration
Sign in with Apple, Keychain integration, and iOS-specific security features. App Store compliance and privacy label support.
Android Optimization
Google Play authentication, Android Keystore integration, and Play Protect compatibility. Material Design authentication components.
Pre-built Components
Ready-to-use login screens, registration forms, and profile management interfaces. Customizable themes and branding options.
TypeScript Support
Fully typed authentication hooks and utilities. IntelliSense support and compile-time error checking for safer development.
Testing Infrastructure
Comprehensive test suites for authentication flows. Mock providers and testing utilities for reliable development workflow.
State Management
Redux/Zustand integration with authentication state persistence. Automatic UI updates based on authentication status.
Navigation Integration
React Navigation authentication flows with protected routes. Automatic redirects and authentication guards.
API Integration
RESTful and GraphQL authentication endpoints. Automatic request authentication and error handling.
SaaS Mobile Apps
User account management, subscription authentication, and role-based access control for business applications.
Social & Community Apps
User profiles, social login integration, and community moderation features with secure user identification.
E-commerce Platforms
Customer accounts, order history, payment method security, and personalized shopping experiences.
Healthcare & Finance
HIPAA and PCI compliance-ready authentication with enhanced security measures and audit logging.
Enterprise Solutions
SSO integration, corporate directory authentication, and multi-tenant user management for business apps.
Check out these similar stacks. Explore these carefully curated alternatives that share similar technologies and approaches.
Launch your SaaS faster with a Chrome extension auth starter kit: OAuth2, secure token storage, Manifest V3 support, popup UI & background scripts template.
Accelerate your SaaS launch with a production-ready Next.js auth starter template: secure user management, OAuth, sessions, TypeScript, and deploy-ready CI/CD.
Launch your SaaS faster with a React Native analytics starter kit: cross-platform boilerplate with event tracking, user insights, dashboard hooks, and auth.
Launch a cross-platform mobile SaaS faster with a production-ready app boilerplate featuring secure auth flows and solid architecture for iOS and Android.
Kickstart your mobile SaaS with a React Native starter kit featuring billing and subscription flows, Stripe integration, secure auth and production boilerplate.
Ship SaaS apps faster with a React Native mobile template and Hono-powered API boilerplate โ auth, onboarding, TypeScript, iOS/Android-ready.
Pay once and build unlimited projects with our powerful starter kits.
Download the codebase only and start building with limited workflow at the lowest price.
$179$279
Lifetime licenseAll features, ongoing updates, lifetime access and many more to help you ship faster.
$249$349
Lifetime licenseBest choice to ship your startup in minutes. Includes Core + AI starters and ongoing updates.
$349$449
Lifetime licensePrices in USD. VAT may apply. By purchasing, you agree to the EULA and Terms of Service.
Book a FREE call or ping us on Discord. Happy to help!
Read why tech and non-tech (!) people are raving about TurboStarter and how it has accelerated their product launches.
Kudos for shipping! The landing page looks very nice.
Teacher @Cursor, prev @Vercel
I have to say, the approach to product/system design has really impressed me.It's truly become a gold standard that I look up to. Keep it up!
Founder of @Evergreen
The best starter on the market, don't overthink it. Worth every penny. Just buy it!
Founder of @Omichat
TurboStarter sped up my coding process. Being affordable and packed with features, it was the difference between idea and execution.
Software Engineer
Loving the product and landing page, amazing work guys!
Founder of @pixelcave
Below are some of the SaaS projects that have been built with our starter kit.

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Chat with 50+ AI models, including ChatGPT and Claude, in one place - switch models anytime without losing context ๐ค

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Personalized AI apps that automate research, data extraction, and content creation without code ๐ค

Sync your favorite content for distraction-free reading, save time and replace multiple apps. Anytime, anywhere ๐

Chat with 50+ AI models, including ChatGPT and Claude, in one place - switch models anytime without losing context ๐ค

Supercharge your Claude Code with 6x effective context window and specialized AI agents ๐ค

AI-powered emoji picker with smart, context-aware suggestions ๐ค

Personalized AI apps that automate research, data extraction, and content creation without code ๐ค

Sync your favorite content for distraction-free reading, save time and replace multiple apps. Anytime, anywhere ๐

Chat with 50+ AI models, including ChatGPT and Claude, in one place - switch models anytime without losing context ๐ค

Supercharge your Claude Code with 6x effective context window and specialized AI agents ๐ค

AI-powered emoji picker with smart, context-aware suggestions ๐ค

Personalized AI apps that automate research, data extraction, and content creation without code ๐ค

Enjoy a magical live video chat or receive a unique AI-generated video greeting from Santa Claus ๐

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Personal blog and portfolio of Bart Zagrodzki, where he share his knowledge and work ๐ผ

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Created for developers (but not only ๐) to help them get a dream job ๐ผ

Enjoy a magical live video chat or receive a unique AI-generated video greeting from Santa Claus ๐

Scalable blog for food journalist, focused on performance and user experience ๐ญ

Personal blog and portfolio of Bart Zagrodzki, where he share his knowledge and work ๐ผ

Ship your startup everywhere. In minutes.

Created for developers (but not only ๐) to help them get a dream job ๐ผ

Enjoy a magical live video chat or receive a unique AI-generated video greeting from Santa Claus ๐

Scalable blog for food journalist, focused on performance and user experience ๐ญ

Personal blog and portfolio of Bart Zagrodzki, where he share his knowledge and work ๐ผ

Ship your startup everywhere. In minutes.

Created for developers (but not only ๐) to help them get a dream job ๐ผ

Enjoy a magical live video chat or receive a unique AI-generated video greeting from Santa Claus ๐

Scalable blog for food journalist, focused on performance and user experience ๐ญ

Personal blog and portfolio of Bart Zagrodzki, where he share his knowledge and work ๐ผ

Ship your startup everywhere. In minutes.

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Scalable template for building e-commerce shops ๐

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Scalable template for building e-commerce shops ๐

Convert HTML to Markdown with ease, directly in your browser ๐

Join our community to get feedback, support, and grow together with 600+ builders on board, let's ship it!
Join usHave another question? We've got answers. Contact us on Twitter or by email.
See technical FAQSkip the complex setups and start building features on day one.
export const billingRouter = new Hono()
.post(
"/checkout",
validate(
"json",
z.object({ plan: z.object({ id: z.string() }) }),
),
enforceAuth,
async (c) => {
logger.time("checkout");
const result = await checkout({
user: c.var.user,
...c.req.valid("json"),
});
await db.insert(orders).values({
externalId: result.id,
userId: c.var.user.id,
});
await sendEmail({
template: EmailTemplate.INVOICE,
to: c.var.user.email,
variables: { user: c.var.user, ...result },
});
track("checkout.created", {
userId: c.var.user.id,
checkoutId: result.id,
});
logger.timeEnd("checkout");
return c.json(result);
},
).post("/webhook", (c) => webhookHandler(c.req.raw));