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.

Analytics

Best Analytics Tools for Startups in 2026

You can’t improve what you don’t measure. From privacy-friendly web analytics to full product analytics with funnels and session replay, here are the best analytics tools for startups in 2026.

Analytics Tools Compared

Tool	Pricing	Free tier
Amplitude	Free
Firebase Analytics	Free
Google Analytics	Free
Mixpanel	Free
PostHog	Free
AppsFlyer	Usage-based	—
Plausible	From $9/mo	—

The Best Analytics Tools, Ranked

1. Amplitude

Free tier· Free

Enterprise product analytics platform with strong mobile insights.

Amplitude & alternatives

2. Firebase Analytics

Free tier· Free

Free mobile-first analytics built into Firebase for app engagement and user behavior tracking.

Firebase Analytics & alternatives

3. Google Analytics

Free tier· Free

Free web analytics platform for tracking user behavior and traffic sources.

Google Analytics & alternatives

4. Mixpanel

Free tier· Free

Advanced event-based analytics that tracks user behavior across mobile and web.

Mixpanel & alternatives

5. PostHog

Free tier· Free

Product analytics platform with event tracking, feature flags, and session replay.

PostHog & alternatives

6. AppsFlyer

· Usage-based

Mobile attribution and analytics platform focused on user acquisition and ROI.

AppsFlyer & alternatives

7. Plausible

· From $9/mo

Privacy-friendly website analytics with simple, intuitive dashboards.

Plausible & alternatives

How to choose a analytics tool

Use Plausible or Fathom for simple, privacy-friendly, cookieless web analytics.
Pick PostHog, Mixpanel, or Amplitude for product analytics, funnels, and retention.
PostHog bundles analytics, feature flags, and session replay in a generous free tier.
Mind data residency and GDPR if you have EU users.

Frequently Asked Questions

What are the best analytics tools for startups in 2026?⌄

The best analytics tools for startups in 2026 include Amplitude, Firebase Analytics, Google Analytics, Mixpanel, PostHog. Compare them by pricing, free tiers, and features in the list above.

What is the best free analytics tool?⌄

Free analytics options include Amplitude, Firebase Analytics, Google Analytics, Mixpanel — all offer a free tier suitable for bootstrapped startups and MVPs.

How do I choose a analytics tool?⌄

Start with your budget and team size, prefer tools with a free tier to validate, and make sure your pick integrates with the rest of your stack. App Stack Builder can recommend a complete, budget-aware stack in about 60 seconds.

Need the whole stack, not just analytics?

Get a free, AI-powered tech stack — matched to your budget, app type, and team size in 60 seconds.

Build my stack free