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.

Google Analytics vs PostHog: Which is Better in 2026?

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Analytics

Choosing between Google Analytics and PostHog? Both are popular analytics tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.

Google Analytics is for: Sites and apps of any size that want free traffic and conversion reporting tied into Google Ads and BigQuery.

PostHog is for: Product teams who want analytics, session replay, feature flags, experiments and error tracking in one tool with a free monthly allowance.

Quick verdict

There’s no single winner; pick on your constraint. Choose Google Analytics if you want free analytics and are fine with Google processing the data. Choose PostHog if you want product analytics, session replay and feature flags without stitching three tools together.

Google Analytics vs PostHog — Side by Side

	Google Analytics	PostHog
Category	Analytics	Analytics
What it is	Hosted web and app analytics	Product analytics suite
What it measures	Traffic, events and conversions	Product events, replays, flags, errors
Self-hosting	No (hosted by Google)	Hobby deploy (about 100K events a month)
How you pay	Free; Analytics 360 is paid	Free allowance, then per-product usage
Free access	Full standard product	1M events and 5K recordings a month
Pricing	Free	Free · then usage-based
Starting price	Free tier available	Free tier available
Free tier
Best for	Analytics — free, Google Ads, BigQuery export	Analytics — product analytics, session replay, feature flags

Pros & Cons

Google Analytics

Standard version is free
Links to Google Ads and BigQuery
Free BigQuery export up to 1M events a day

Event data kept 14 months at most on standard
Higher limits need Analytics 360 (price not listed)
Hosted by Google only; no self-hosting

PostHog

Free monthly allowance: 1M events and 5,000 recordings
Analytics, replay, flags and error tracking in one tool
Billing limit per product

Usage is billed separately for each product
Self-hosted hobby deploy suits about 100,000 events a month
Free plan keeps 1 year of data and 1 project

Key Features Compared

Google Analytics

Standard Google Analytics is free
Event data kept for 2 or 14 months on standard; up to 50 months on Analytics 360
30 key events (conversions) and 50 event-scoped custom dimensions per property
BigQuery export: up to 1 million events a day, plus unlimited streaming export
Analytics 360 raises the limits; its price is not listed

PostHog

Free every month: 1M analytics events, 5,000 session recordings, 1M feature flag requests
Also free monthly: 100,000 error-tracking exceptions and 1,500 survey responses
Usage above the free allowance is billed per product, with a billing limit per product
Paid plans keep events 7 years (1 year on free) and allow 6 projects (1 on free)
Open source under MIT, except the ee directory; self-hosted hobby deployments suit about 100,000 events a month

Choose Google Analytics if…

You want free analytics and are fine with Google processing the data.
You run Google Ads and want conversions in the same account.
You want raw event data in BigQuery without paying for an export.

Google Analytics review & pricing

Choose PostHog if…

You want product analytics, session replay and feature flags without stitching three tools together.
You want a free tier that resets monthly, with or without a card on file.
You want to cap spend per product with billing limits.

PostHog review & pricing

Frequently Asked Questions

Is Google Analytics better than PostHog?⌄

What is the difference between Google Analytics and PostHog?⌄

What it is — Google Analytics: Hosted web and app analytics. PostHog: Product analytics suite. What it measures — Google Analytics: Traffic, events and conversions. PostHog: Product events, replays, flags, errors. Self-hosting — Google Analytics: No (hosted by Google). PostHog: Hobby deploy (about 100K events a month). How you pay — Google Analytics: Free; Analytics 360 is paid. PostHog: Free allowance, then per-product usage. Free access — Google Analytics: Full standard product. PostHog: 1M events and 5K recordings a month.

Google Analytics vs PostHog: which is cheaper?⌄

Google Analytics pricing: Free. PostHog pricing: Free · then usage-based. Confirm current pricing on each tool's official site, as plans change.

When should I skip both Google Analytics and PostHog?⌄

Skip Google Analytics if you want to avoid a cookie banner for analytics. Plausible and Fathom sell cookie-free analytics. Skip PostHog if you only need simple website traffic stats. Plausible and Fathom are simpler.

Sources · tool facts checked November 2026