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.

CDN & Edge CachingFree tier

Bunny CDN: Pricing, Features & Alternatives

Bunny.net is the low-cost, no-contract CDN. The standard network of 119 PoPs charges $0.01/GB in Europe and North America, $0.03 in Asia and Oceania, $0.045 in South America and $0.06 in the Middle East and Africa. A 10-PoP volume network drops to $0.005/GB for heavy bandwidth. There are no request fees and the monthly minimum is $1. It also sells storage, image optimisation and video streaming as add-ons on the same account, and a 14-day trial needs no card.

Bunny CDN Pricing Plans (2026)

Plan	Price	Highlights
Free trial	$0 for 14 days	No credit card · All features
Standard networkPopular	From $0.01 / GB (EU & NA)	119 PoPs · No request fees · $1 monthly minimum
Volume network	From $0.005 / GB	10 PoPs · For high-bandwidth files and video

Pricing summary: Free · then usage-based. Always confirm current pricing on the official site.