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.

AppsFlyer vs Simple Analytics: Which is Better in 2026?

Name: App Stack Builder
Availability: InStock

Analytics

Choosing between AppsFlyer and Simple Analytics? 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.

AppsFlyer is for: Mobile app marketers who need to attribute installs and in-app actions to paid campaigns.

Simple Analytics is for: Site owners who want a cookie-free traffic dashboard, with a free plan for hobby sites.

Quick verdict

There’s no single winner; pick on your constraint. Choose AppsFlyer if you run paid campaigns for a mobile app and need to know which ones drive installs. Choose Simple Analytics if you want a free plan for small sites and can show a badge.

AppsFlyer vs Simple Analytics — Side by Side

	AppsFlyer	Simple Analytics
Category	Analytics	Analytics
What it is	Mobile attribution platform	Privacy-friendly web analytics
What it measures	Installs and conversions by campaign	Website traffic
Self-hosting	No (hosted)	No (hosted)
How you pay	Per conversion ($0.07 on Growth)	Monthly plan by pageviews, plus per extra user
Free access	12,000 conversions in the first year	5 sites, 1 month of data, badge required
Pricing	Free · then usage-based	Free · paid from $20/mo
Starting price	Free tier available	Free tier available
Free tier
Best for	Analytics — mobile attribution, paid campaigns, ROAS	Analytics — cookie-free, EU data, free hobby plan

Pros & Cons

AppsFlyer

Free Zero plan: 12,000 conversions in the first year
Pay-as-you-go Growth at $0.07 per conversion
Organic installs are not counted

Zero plan excludes apps with paid activities
Fraud protection is on Enterprise
Measures attribution, not product funnels

Simple Analytics

One-page dashboard
No personal data collected
Free plan for hobby sites

Limited depth for product analysis
Free plan keeps 1 month of data
Extra users cost $20 a month each

Key Features Compared

AppsFlyer

Zero (free): 12,000 free conversions in the first year; not for apps with paid activities
Growth: pay-as-you-go at $0.07 per conversion after the 12,000 free
Growth adds basic mobile attribution for paid campaigns
Enterprise: custom pricing with cross-channel attribution, ROAS optimization and fraud protection
Organic installs and actions are not counted and are free

Simple Analytics

Free for hobby sites: 5 websites, 1 user, 1 month of data, badge required
Self-serve from $20 a month for 100,000 pageviews; $20 a month per extra user
Yearly billing gives 2 months free
14-day free trial, no credit card
AI assistant available; data leaves the EU only if you opt in to such features
Enterprise: custom pricing with a 30-day proof of concept

Choose AppsFlyer if…

You run paid campaigns for a mobile app and need to know which ones drive installs.
You want to start pay-as-you-go rather than sign an annual contract.
You need mobile fraud detection on an enterprise plan.

AppsFlyer review & pricing

Choose Simple Analytics if…

You want a free plan for small sites and can show a badge.
You want analytics data kept in the EU by default.
You want a trial without entering a card.

Simple Analytics review & pricing

Frequently Asked Questions

Is AppsFlyer better than Simple Analytics?⌄

What is the difference between AppsFlyer and Simple Analytics?⌄

What it is — AppsFlyer: Mobile attribution platform. Simple Analytics: Privacy-friendly web analytics. What it measures — AppsFlyer: Installs and conversions by campaign. Simple Analytics: Website traffic. How you pay — AppsFlyer: Per conversion ($0.07 on Growth). Simple Analytics: Monthly plan by pageviews, plus per extra user. Free access — AppsFlyer: 12,000 conversions in the first year. Simple Analytics: 5 sites, 1 month of data, badge required.

AppsFlyer vs Simple Analytics: which is cheaper?⌄

AppsFlyer pricing: Free · then usage-based. Simple Analytics pricing: Free · paid from $20/mo. Confirm current pricing on each tool's official site, as plans change.

When should I skip both AppsFlyer and Simple Analytics?⌄

Skip AppsFlyer if you only need in-app usage analytics. Firebase Analytics is free. Skip Simple Analytics if you need more than a month of history for free. Umami Hobby keeps 6 months.

Sources · tool facts checked November 2026