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.

DatabaseFree tier

Supabase: Pricing, Features & Alternatives

Supabase provides a fully managed PostgreSQL database with built-in authentication, row-level security, storage, edge functions, and real-time subscriptions. It is widely used for startups, SaaS products, and modern web applications.

Supabase Pricing Plans (2026)

Plan	Price	Highlights
FreePopular	$0 / month	Unlimited API requests · 50,000 monthly active users · 500 MB database size
Pro	$25 / month	Everything in Free · 100,000 monthly active users · 8 GB database size
Team	From $599 / month	Everything in Pro · SOC2 compliance · SSO for Supabase Dashboard
Enterprise	Custom pricing	Everything in Team · Dedicated support manager · Uptime SLAs

Pricing summary: Free · paid from $25/mo. Always confirm current pricing on the official site.

Key Supabase Features

Unlimited API requests
50,000 monthly active users
500 MB database size
1 GB file storage
5 GB egress
Daily backups (7 days)
Community support

Pros

+PostgreSQL with first-class developer experience
+Built-in auth, storage, and real-time
+Strong open-source ecosystem
+Excellent documentation
+Scales from MVP to production

Cons

−Costs can increase with scale
−Advanced Postgres tuning is abstracted
−Enterprise pricing is high

Best Supabase Alternatives

Compare all

Neon

Free

AWS RDS (PostgreSQL)

Usage-based

GCP Cloud SQL (PostgreSQL)

Usage-based

Azure Database for PostgreSQL

Usage-based

Xata

From $999/mo

DigitalOcean PostgreSQL

From $15/mo

Supabase Compared

Supabase vs AWS RDS (PostgreSQL)Supabase vs Redis Supabase vs GCP Cloud SQL (PostgreSQL)Supabase vs Azure Database for PostgreSQL Supabase vs Convex Supabase vs MongoDB Atlas

Supabase FAQ

What is Supabase used for?⌄

Supabase is a database tool. Open-source Firebase alternative built on PostgreSQL with auth, storage, and real-time features.

Is Supabase free?⌄

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

How much does Supabase cost?⌄

Supabase offers a free tier, with paid plans starting at $25/month. Some plans are usage-based (pay-as-you-go).

What are the best Supabase alternatives?⌄

Popular Supabase alternatives include Neon, AWS RDS (PostgreSQL), GCP Cloud SQL (PostgreSQL), Azure Database for PostgreSQL, Xata. Compare pricing and features on our Supabase alternatives page.

Not sure if Supabase fits your stack?

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