What is App Stack Builder?

App Stack Builder is a free AI-powered tool that helps founders and developers choose the right tech stack for their projects based on budget, app type, team size, and skill level.

What is the best tech stack for SaaS in 2026?

The best tech stack for SaaS in 2026 typically includes Next.js 16 for frontend, Supabase for database and auth, Vercel for hosting, Stripe for payments, and PostHog for analytics. App Stack Builder can generate a personalized recommendation based on your specific budget and requirements.

Is App Stack Builder free to use?

Yes, App Stack Builder is completely free to use. You can generate unlimited tech stack recommendations without any cost.

What types of apps can I build with the recommended stacks?

App Stack Builder supports various app types including SaaS applications, web apps, mobile apps, e-commerce stores, internal tools, and AI/ML products.

How much does a SaaS tech stack cost per month?

A modern SaaS tech stack can cost anywhere from $0-50/month for bootstrapped startups using free tiers, $100-300/month for growth-stage startups, to $500+/month for enterprise-ready infrastructure. App Stack Builder helps you find the best tools within your specific budget.

What is the best tech stack for solo founders?

For solo founders, we recommend Next.js + Vercel (free), Supabase (free tier), Supabase Auth (free), Stripe (pay as you go), and Plausible or PostHog for analytics. This stack can run your entire SaaS for under $50/month.

Can I export my tech stack recommendations?

Yes, you can export your tech stack recommendations as a PDF document or copy them to your clipboard. You can also share a link to your stack with others.

HostingFree tier

Railway: Pricing, Features & Alternatives

Railway is a modern hosting platform that allows developers to deploy applications and databases quickly using Git or Docker. It uses a usage-based pricing model with clear minimums, making it ideal for side projects, startups, and production workloads without managing infrastructure.

Railway Pricing Plans (2026)

Plan	Price	Highlights
FreePopular	$0 / month	30-day free trial · $5 usage credits included · Up to 0.5 GB RAM, 1 vCPU per service
Hobby	$5 minimum usage	$5 monthly usage credits · Pay-as-you-go after credits · Up to 8 GB RAM / 8 vCPU per service
Pro	$20 minimum usage	$20 monthly usage credits · Up to 32 GB RAM / 32 vCPU per service · Unlimited workspace seats
Enterprise	Custom pricing	SSO · Audit logs · HIPAA BAA

Pricing summary: Free · paid from $5/mo. Always confirm current pricing on the official site.

Key Railway Features

30-day free trial
$5 usage credits included
Up to 0.5 GB RAM, 1 vCPU per service
0.5 GB volume storage
No credit card required
Perfect for small experiments

Pros

+Very fast developer experience
+Usage-based pricing with low entry cost
+First-class database support
+Great for side projects and startups
+No infrastructure management

Cons

−Costs can grow unpredictably at scale
−Not edge-first like Vercel
−Enterprise features require custom plan

Best Railway Alternatives

Compare all

Vercel

Free · paid from $20/mo

Render

Free · paid from $19/mo

Cloudflare Pages & Workers

Free · paid from $5/mo

Netlify

Free · paid from $9/mo

Amazon Web Services (AWS)

Usage-based

Google Cloud Platform (GCP)

Usage-based

Railway Compared

Railway vs Amazon Web Services (AWS)Railway vs Google Cloud Platform (GCP)Railway vs Vercel Railway vs Fly.io Railway vs DigitalOcean App Platform Railway vs Render

Railway FAQ

What is Railway used for?⌄

Railway is a hosting tool. Developer-focused cloud platform to deploy apps, databases, and services with usage-based pricing.

Is Railway free?⌄

Yes — Railway has a free tier you can start with, and paid plans for more usage and features.

How much does Railway cost?⌄

Railway offers a free tier, with paid plans starting at $5/month. Some plans are usage-based (pay-as-you-go).

What are the best Railway alternatives?⌄

Popular Railway alternatives include Vercel, Render, Cloudflare Pages & Workers, Netlify, Amazon Web Services (AWS). Compare pricing and features on our Railway alternatives page.

Not sure if Railway fits your stack?

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