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.

Mobile FrameworkFree tier

Expo (React Native): Pricing, Features & Alternatives

Expo is an open-source platform built on top of React Native that simplifies building iOS and Android apps. It provides a managed workflow, OTA updates, push notifications, and EAS Build for app store submissions — all with minimal configuration. Uses JavaScript/TypeScript so web developers can build mobile apps without learning a new language.

Expo (React Native) Pricing Plans (2026)

Plan	Price	Highlights
FreePopular	Free	React Native cross-platform (iOS & Android) · Expo Go for instant device preview · OTA (over-the-air) updates
Production	$29/month	Unlimited EAS builds · Faster build queues · Priority support

Pricing summary: Free · paid from $29/mo. Always confirm current pricing on the official site.

Key Expo (React Native) Features

React Native cross-platform (iOS & Android)
Expo Go for instant device preview
OTA (over-the-air) updates
Push notifications
30 EAS builds/month free
File-based routing (Expo Router)
TypeScript support

Pros

+Best-in-class DX for React Native
+Single codebase for iOS + Android
+OTA updates without app store resubmission
+Huge JS/TS ecosystem
+No native tooling required to get started

Cons

−Slightly larger app size than bare native
−Some native modules require bare workflow
−Build times can be slow on free tier

Best Expo (React Native) Alternatives

Compare all

Flutter

Free

React Native (bare)

Free

Expo (React Native) Compared

Expo (React Native) vs Flutter Expo (React Native) vs React Native (bare)

Expo (React Native) FAQ

What is Expo (React Native) used for?⌄

Expo (React Native) is a mobile framework tool. The fastest way to build cross-platform iOS and Android apps with React Native.

Is Expo (React Native) free?⌄

Yes — Expo (React Native) has a free tier you can start with, and paid plans for more usage and features.

How much does Expo (React Native) cost?⌄

Expo (React Native) offers a free tier, with paid plans starting at $29/month.

What are the best Expo (React Native) alternatives?⌄

Popular Expo (React Native) alternatives include Flutter, React Native (bare). Compare pricing and features on our Expo (React Native) alternatives page.

Not sure if Expo (React Native) fits your stack?

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