Saas.js vs The Swift Kit: Head-to-Head Comparison
Choosing between Saas.js and The Swift Kit? We've compared both boilerplates across pricing, features, tech stack, and more. The Swift Kit is $146 cheaper, but pricing isn't everything. Let's dive into the details.
At a glance: Saas.js costs $245 - $949 and The Swift Kit costs $99 - $149, so The Swift Kit is $146 cheaper to start. Both are built on PostgreSQL. Only Saas.js lists Email, Multi-tenancy. Only The Swift Kit lists AI, Analytics. Updated 2026-11-05.
Saas.js
Saas.js (formerly Saas UI): TanStack Start and Next.js starter kit for B2B SaaS with Better Auth, workspaces, Stripe billing, Drizzle, tRPC and tests.
The Swift Kit
SwiftUI iOS app starter kit with Supabase auth and database, RevenueCat paywalls, OpenAI features, onboarding templates and a setup CLI.
Saas.js Tech Stack
NextJS Better Auth 
React 
TypeScript 
Chakra 
Figma 
PostgreSQL 
Drizzle 
TanStack 
Playwright 
Resend 
Stripe The Swift Kit Tech Stack
SwiftUI 
Flask 
Supabase PostgreSQL 
OpenAI 
RevenueCat 
StoreKit TelemetryDeck | Specification | Saas.js | The Swift Kit |
|---|---|---|
| Starting price | $245 | $99 |
| Price range | $245 - $949 | $99 - $149 |
| Stack | NextJS, Better Auth, React, TypeScript, Chakra, Figma, PostgreSQL, Drizzle, TanStack, Playwright, Resend, Stripe | Supabase Auth, SwiftUI, Flask, Supabase, PostgreSQL, OpenAI, RevenueCat, StoreKit, TelemetryDeck |
| Integrations listed | 15 | 16 |
| Auth | ✓ | ✓ |
| Payments | ✓ | ✓ |
| Database | ✓ | ✓ |
| ✓ | — | |
| AI | — | ✓ |
| Admin Panel | — | — |
| Multi-tenancy | ✓ | — |
| SEO | — | — |
| Blog | — | — |
| Analytics | — | ✓ |
| Agent readiness · checked 2026-08-17 | ||
| AGENTS.md included | ✓ | ? |
| CLAUDE.md included | ✓ | ? |
| Cursor rules included | — | ? |
| Ships Claude skills | — | ? |
| Ships subagents | — | ? |
| MCP integrations | ✓ | ? |
| Tests an agent can run | ✓ | ? |
| TypeScript | ✓ | ? |
| Agent-readiness score | 65/100 | 0/100 |
| Everything else either kit lists | ||
| 2FA | ✓ | — |
| API | ✓ | — |
| Billing | ✓ | — |
| CI/CD | ✓ | — |
| Components | ✓ | — |
| Customizable | — | ✓ |
| Dark Mode | — | ✓ |
| Dashboard | ✓ | — |
| Documentation | ✓ | ✓ |
| In-app purchases | — | ✓ |
| Mobile App | — | ✓ |
| Notifications | — | ✓ |
| Onboarding | ✓ | ✓ |
| Storage | — | ✓ |
| Support | — | ✓ |
| Themes | ✓ | ✓ |
| Updates | — | ✓ |
| User Management | ✓ | — |
A question mark means the vendor's public documentation does not mention that capability. It is not a statement that the boilerplate lacks it. How we score agent readiness
Specifications last updated , from the BoilerplateHub catalog.
Which Should You Choose?
Choose Saas.js if you prioritize 2FA and API. Choose The Swift Kit if AI and Analytics are more important to your project.
Frequently Asked Questions
What is the difference between Saas.js and The Swift Kit?
Saas.js costs $245 and includes 15 features. The Swift Kit costs $99 and includes 16 features. Saas.js uniquely offers 2FA, API, Billing. The Swift Kit uniquely offers AI, Analytics, Customizable.
Which is cheaper, Saas.js or The Swift Kit?
The Swift Kit is cheaper at $99, which is $146 less than Saas.js ($245).
Do Saas.js and The Swift Kit use the same tech stack?
Yes, both share PostgreSQL in common. Saas.js uses NextJS, Better Auth, React, TypeScript, Chakra, Figma, Drizzle, TanStack, Playwright, Resend, Stripe exclusively, while The Swift Kit uses Supabase Auth, SwiftUI, Flask, Supabase, OpenAI, RevenueCat, StoreKit, TelemetryDeck exclusively.
Which has more features, Saas.js or The Swift Kit?
The Swift Kit has more features (16 vs 15). See the feature matrix above for the full breakdown.
Should I choose Saas.js or The Swift Kit?
Choose Saas.js if you need 2FA and API and prefer its tech stack. Choose The Swift Kit if AI and Analytics are higher priorities. If price is the deciding factor, The Swift Kit is $$146 cheaper.