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.

Product Onboarding & Tours

Userpilot: Pricing, Features & Alternatives

Userpilot combines onboarding flows, checklists, surveys and a resource centre with its own product analytics (funnels, paths, retention) and session replay, so you can see where users drop off and fix it in one tool. Starter is $299/month for up to 2,000 MAUs. Growth starts at $849/month for larger audiences and adds features like localisation and the resource centre. Enterprise is custom.

Userpilot Pricing Plans (2026)

Plan	Price	Highlights
StarterPopular	$299 / month	Up to 2,000 MAUs · Flows, checklists, surveys · Product analytics
Growth	From $849 / month	Up to 100,000 MAUs · Resource centre · Localisation
Enterprise	Custom	Custom MAUs · SSO and custom roles

Pricing summary: From $299/mo. Always confirm current pricing on the official site.

Key Userpilot Features

Up to 2,000 MAUs
Flows, checklists, surveys
Product analytics

Pros

+Analytics and session replay alongside the onboarding builder
+Published prices
+Good segmentation for targeting flows

Cons

−Starter covers only 2,000 MAUs
−Large jump from Starter to Growth
−Web only; mobile support is limited

Best Userpilot Alternatives

Compare all

Pendo

Free · paid plans by quote

Userflow

From $240/mo

Appcues

Usage-based

Userpilot Compared

Userpilot vs Userflow Userpilot vs Appcues Userpilot vs Pendo

Userpilot FAQ

What is Userpilot used for?⌄

Userpilot is a product onboarding & tours tool. Product tours and in-app guidance with product analytics and session replay built in. From $299/month for 2,000 MAUs.

Is Userpilot free?⌄

Userpilot does not offer a permanent free tier; paid plans start at $299/month.

How much does Userpilot cost?⌄

Userpilot plans start at $299/month. Some usage is billed pay-as-you-go.

What are the best Userpilot alternatives?⌄

Popular Userpilot alternatives include Pendo, Userflow, Appcues. Compare pricing and features on our Userpilot alternatives page.